Boiler Maintenance Tips


New boilers do not come cheap and therefore keeping your boiler and the heating system in good working order will help the lifespan of the boiler itself.

Furthermore, the costs of both the heating fuel and the costs involved with maintaining a heating system itself have been increasing over recent years, therefore keeping the boiler maintained will ensure the best efficiency possible as well as ensuring the safety the boiler for continued use.

We will be discussing boiler maintenance tips that can save a homeowner money as well as aiming to keep the boiler running smoothly for as long as possible.

Tip 1 – The Annual Boiler Service

It is important to arrange for the annual boiler service to be undertaken so that the Gas Safe Heating engineer can ensure that the boiler’s internal parts are in a good working order as well as ensuring the safety of the boiler itself.

Professionals can detect issues ahead of a boiler breakdown, ensuring that they are addressed in a cost effective and safe manner without the nuisance of a breakdown.

It is advisable to time the annual boiler service for the summer months as there is less demand to be able to book a Gas Safe registered heating engineer in a timely manner and address any issues found from the service before the winter returns.

Annual services are also essential during the boiler’s warranty period to keep the warranty valid, as well as being a legal requirement for rented properties.

However, if any issues are detected and a service is not due, do not delay and call a Gas Safe registered heating engineer to investigate further.

Tip 2 – Maintaining Suitable Boiler Pressure

Homeowners should keep an eye on the pressure within their boiler as if the pressure is out of the ideal range, there can be damage to the internal parts.

In order to find out more about the ideal pressure range for your boiler and the process to be undertaken should you find your boiler is not pressurised appropriately, please refer to the boiler’s manufacturer’s manual.

Tip 3 – Bleed the Radiators

Should it be noticed that the property’s radiators are not heating up evenly, for example they are cold at the top, there is likely to be air trapped inside reducing the efficiency.

In order to clear the blockage, prepare the area underneath the boiler with plastic sheets or old towels and use a radiator key in an anti-clockwise director to open the bleed valve.

Any trapped air will be released, and you are likely to hear a hissing sound and water may drip out. When the hissing stops close the valve back up.

Once the above process has been completed on all affected radiators, return to the boiler and check the pressure is within the ideal pressurisation range. Again, if this needs adjusting, please refer to the boiler’s manufacture’s manual.

Tip 4 – Prepare for Winter

During the summer month’s take some time to inspect the heating system both inside and out for any signs or leaks or damage to lagging.

If the pipework is either not lagged already or the lagging in place is damaged, arrange to install new lagging.

Lagging prevents pipework from freezing in the winter months by insulating the pipes and can be easily installed by purchasing the ready to use pipework insulation from hardware stores and following online videos of how to install.

If there are any signs of a leak detected when undertaking visual inspections of the heating system, wrap the pipe in rags and call a Gas Safe registered heating engineer for assistance.

If the visual signs of a leak are not spotted, however the boiler has a high pressure reading, this may indicate a leak out of view which will need the attention of an expert.

Tip 5 – Consider Boiler Insurance

Boiler insurance is a type of policy that is available in differing levels of cover, from protecting against emergency call out changes only to full protection covering the costs of annual maintenance as well as emergency call out changes, parts and labour.

There are various boiler insurance providers on the market, which aim to help protect homeowners and landlords from the unknown costs of call outs and boiler maintenance each year, however it is worth taking time to calculate the risk of such occurrences versus the cost of the policy. Once factor that may help aid the decision regarding the need for boiler insurance may be when the boiler warranty expires.

Tip 6 – Consider When Maintenance and Repairs are too Expensive and a New Boiler is Needed

Unfortunately, boilers, like any device are not built to last forever, no matter how well they have been maintained as over time, parts start to corrode and faults reoccur.

There is a tipping point when the maintenance and repair costs begin to build up and therefore it would be more economical to replace the boiler itself for a modern and more energy-efficient model.

Therefore always discuss the overall condition of the boiler with a Gas Safe registered heating engineer during a service or emergency call out to analyse whether it is time for a new boiler.


If you are responsible for the maintenance of a boiler, we hope that you have found this article helpful, discussing a number of tips that can help reduce the costs of boiler maintenance as well as the occurrence of any unwelcome breakdowns.

We have covered some basic DIY tips that a homeowner or landlord can undertake themselves in order to keep their boiler running smoothly, as well as discussing the option of boiler insurance that, at the higher-level policy can cover the costs of servicing, break down call outs, parts and labour costs.

We have also discussed the importance of being aware when it is time to replace a boiler for a modern, energy efficient model.

If you have any specific queries regarding your boiler, please contact a Gas Safe registered heating engineer to investigate further.

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Should You Turn Off Your Heating During the Summer?


Home owners and tenants may consider turning off their heating more than ever this year due to the escalating costs of energy.

Obviously considering switching off the heating would be more challenging in the winter months when the heating is needed and pipework could freeze however when the seasons turn, should homeowners consider turning off their heating completely in order to save energy?

We will be discussing if this is the correct approach and what considerations should be reviewed before switching off the heating during summer.

What Boiler Settings Should be Applied During Summer?

During the summer months, households may not be relying on the heating system in the same way as during the winter, however these months provide the time to undertake the maintenance needed and ensure that a boiler is ready for the winter ahead.

This is one reason why a boiler should not be switched off for long period of time as internal parts may become stuck and therefore may not work again when the boiler is turned back on.

Instead of turning the boiler off completely, either the thermostat be changed or the programmed settings editing to reduce the duration of time that a boiler is due to be running for.

Modern boilers also sometimes have a standby mode which provides a low energy option where the boiler is running only the essential functions in order to protect the internal parts. Refer to your boiler’s manufacturer instruction manual to discover if your model has this eco-setting.

Advice for Older Models

Older boilers are likely to have a pilot light which consumes a significant amount of energy to run and therefore switching off the heating may be the most economical option.

However, even during warmer months, the heating system should be turned on regularly to ensure that it runs effectively and there are no boiler faults.

Whereas this is not the case for more modern boilers whose internal parts should be tested regularly to ensure that they are running effectively and that all parts and components are working as planned.

Older boilers are unlikely to have the standby setting mentioned earlier, however they may have a summer setting where the functions such as heating water are reduced to just a few times a day. Please refer to your boiler’s instruction manual in order to discover if this setting is available on your boiler model.

Hot Water Needs During Summer

During the warmer months, when the heating is turned down low or ran only sparingly, there is still a need to generate hot water in order to wash.

Some households with electric showers do not need to heat hot water in order to wash if, for example baths are not also taken by other household members as well as the electric shower itself provides the source of the heat.

However if baths are taken or if a water tank is in situ for example, the homeowner or tenant would need to plan when to heat the water in order to achieve a warm bath or shower.

Other household electrical devices such as dishwashers and washing machines also do not require water to be heated, as these also heat the water directly from the mains in order to perform their jobs themselves.

If a combination boiler is installed within the property, the most economical way to heat hot water only is to keep the thermostat at zero as a short term solution.

Always remember to check that the boiler runs effectively by turning it on with a sensible thermostat setting, with plenty of time before the winter returns so that any issues can be resolved before the colder months return.

Summer Boiler Maintenance

As we have mentioned, the summer months are the ideal time to maintain a boiler as there is less demand for heating engineers then during winter and there is plenty of time to address any issues found before the return of winter.

The ideal time to book in a boiler service with a Gas Safe registered heating engineer is August or September, providing ample time for diagnosis of any issues, ordering parts and getting the boiler up and running again before winter.

Not only does a service provide peace of mind that the condition of the internal parts has been monitored and is acceptable for the coming seasons, but also the annual maintenance ensures that the boiler is operating safely. In addition heating engineers perform maintenance tasks ensuring that the boiler will run effectively and therefore saving money on energy bills.

Furthermore, if the property is rented this annual gas safety check is a legal requirement and a copy of the gas safety certificate should be issued to the tenants. Ensure that only a professional Gas Safe registered heating engineer undertakes the annual maintenance and service for safety and insurance purposes.

Boiler Replacement

During an annual service, a Gas Safe registered heating engineer may find faults that would be expensive to repair or may even condemn the boiler for continued use. In these scenarios a boiler replacement would be needed.

Shopping for a new boiler can be undertaken in a number of ways from obtaining quotes from the heating engineer, approaching large companies such as British Gas or, taking the modern route of ordering a new boiler online.

In order to check prices, it is recommended that a number of quotes are obtained before choosing a supplier, and reviewing the optional extras suggested such as a chemical flush and heating insurance.


We have been discussing the best approach to keeping energy costs low during the summer months whilst also protecting the boiler’s internal parts from a complete switch off.

We have also covered why summer is the time to undertake maintenance within the heating system, ensuring that the boiler will be safe and in good working order for the winter months.

Should you need any further advice, please contact a local Gas Safe registered heating engineer.

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Can You Sell Your Home with a Broken Boiler?


In England, there are many rules that need to be met in order to sell a property including meeting lending criteria if a mortgage is required, organising an Energy Performance Certificate and complying with anti-money laundering, but is the condition of a boiler an issue when you are trying to sell your property?

This article will cover what you need to know about the legal position of selling a a property with a broken boiler.

What are the Rules Regarding Selling a Property with a Condemned Boiler?

There is actually no legal requirement that stipulates that a boiler must be in working condition when a property is sold, however a condemned boiler must be declared to the buyers.

In such a scenario buyers will likely reduce their offer price for the property in order to account for the cost of replacing the boiler themselves.

Often homeowners may choose to repair or replace a boiler that is not working in order to attract potential buyers by portraying that the property has been kept in a good state of repair.

In addition, a new modern boiler may help improve the energy efficiency rating of the property which will also be attractive to potential buyers. Let’s progress to discussing further what an Energy Performance Certificate is.

Energy Performance Certificates or EPC’S

An Energy Performance Certificate is a document that confirms the energy status and therefore environmental impact of a property.

Properties are accessed by qualified professionals who rate each property on a scale of A – G, where an A rating equates to the highest level of energy efficiency.

The certificates guide new property habitants regarding the condition of the property in relation to insulation and overall energy efficiency which also impacts household energy bills.

Legislation was brought in requiring all domestic properties with four or more bedrooms that were to be sold, to require an EPC as part of their home information pack or HIP, in August 2007.

This legislation was altered over time to remove the HIP requirement however the requirement for an EPC remained as well as extending the size of the property that requires an EPC in order to be sold.

Typically, new builds will have the best energy performance whereas older properties tend to have lower ratings due to being less energy efficient in both construction and insulation.

EPC’s last for a duration of ten years, however should significant changes be made to the property including the installation of any eco-friendly measures or heating systems, it would be advisable to arrange a re-assessment to ensure that the latest grading reflects the improvements made.

Does the Boiler Service Need to be up to Date Before Selling the Property?

Getting the boiler serviced on an annual basis can help with monitoring the condition of the internal parts of the boiler, provides an annual safety check as well as ensuring that the boiler runs as efficiently as possible.

In addition, these annual safety checks are a legal requirement for properties that are rented out, however when selling a property, the status of the boiler’s service is not a legal matter and will not prevent the sale completing.

Potential buyers may enquire about the last boiler service when touring the property or later on during the sale however and ensuring that the boiler service is up to date will again illustrate that the property has been well maintained.

Will a Surveyor Check on the Boiler?

A surveyor is likely to request details regarding the condition of the boiler and the date of the late service, however they are not tasked with testing the boiler out themselves.

If the last boiler service was a while ago, the surveyor may report that it would be advisable for the potential buyers to arrange a boiler service themselves before completing with the purchase of the property.

Please note that boiler services should only be undertaken by Gas Safe registered heating engineers.

Should a Boiler be Replaced Before Selling a Property?

As we have discussed, ensuring that the boiler is in full working order before selling a property is not a legal requirement, however if the boiler is broken or condemned, it will likely put off potential buyers as they will see further costs needed in order to make the property habitable.

In addition, a broken boiler may also ring alarm bells for some, questioning what other elements will not be functioning such as plumbing or electrics.

However, there is not a set answer as to whether or not a homeowner should invest in a new boiler before selling a property.

For example, if the property was due to be renovated or developed for flats for example, a property developer is unlikely to be concerned regarding the status of the boiler in situ.

Whichever option the current homeowner decides, the important element is to be transparent with any potential buyers regarding the condition of the property and boiler in order to protect from the new owners making a compensation claim following the completion of the sale.

How Much Will a New Boiler Cost?

New boilers will vary in cost depending on the type of fuel that the boiler operates on, the size of the boiler and the location of the property as there are slight differences in costs nationwide.

As a rough example, a new combination boiler will cost between £650 and £2,150, whereas conventional boilers that require a water tank are often priced between £500 and £1600.


We have explored the legal requirements for selling a property in relation to boilers, and the considerations that a homeowner may factor when deciding whether to replace a boiler prior to selling; including the final price that potential owners will be willing to pay and the effect on the EPC.

Whether or not a homeowner decides to replace a boiler ahead of the sale, the condition of the boiler should always be clear to potential buyers to protect from any compensation claims following completion of the sale.

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Boiler Not Registered with Gas Safe


If you have recently purchased or moved into a new property you may be wondering about the condition or history of the boiler in situ, including if it is safe to use.

Many online articles regarding boilers often speak about the Gas Safe register and Gas Safe registered heating engineers, but if you have not heard of Gas Safe, don’t worry, we will be discussing what Gas Safe is as well as the steps to take should you discover that your boiler is not Gas Safe registered. We will also discuss who is responsible for maintaining the boiler and covering the annual costs of obtaining gas safety certificates.

What is Gas Safe?

Gas Safe is the official gas registration body that keeps accurate records of authentic gas businesses that have proven that they and their qualified heating engineers have the required skill set and up to date knowledge in order to safely and legally undertake work on gas appliances.

Gas Safe covers all gas businesses and qualified heating engineers operating within the United Kingdom, Isle of Man, Guernsey and Jersey and is run in connection with the local Health and Safety Authority within each region. In addition to the body’s monitoring and compliance responsibilities, Gas Safe is also responsible for investigating any illegal gas works undertaken by unregistered businesses.

Should Every Boiler be Registered with Gas Safe?

Every boiler installed within the regions listed above should be registered upon installation with Gas Safe, as well as continued to be inspected each year thereafter by a qualified Gas Safe registered heating engineer to ensure that the necessary paperwork is kept up to date.

Operating a gas device without the required documentation is illegal and therefore homeowners and landlords must ensure that annual gas safety checks are undertaken.

The law requiring all gas devices to be assessed annually is to protect the property’s residents from the dangers associated with gas leaks and carbon monoxide poisoning, and therefore annual monitoring of the condition of gas devices is essential. There is also further legislation for landlords to pass copies of the annual safety checks to tenants.

How Can I Find Out If My Boiler is Registered with Gas Safe?

The standard process when a new boiler is installed is that the Gas Safe registered heating engineer should register the boiler with the manufacturer in order to commence the boiler’s warranty, meanwhile simultaneously registering the new installation with Gas Safe.

In order to check the registration has been completed successfully (where the necessary paperwork hasn’t been received for example), a homeowner or landlord must obtain the seven digit licence number from the identification card of the Gas Safe registered heating engineer and then contact Gas Safe directly.

What to do If Your Boiler isn’t Registered with Gas Safe

Where the original installers details are known, please contact them directly and explain that the paperwork must be completed in order to register the installation.

However, where the original installer is unknown, please contact another Gas Registered heating engineer company and explain the situation, requesting that they visit the property, undertake the necessary checks to ensure that the original installation is safe and retrospectively register the installation. Not all companies may be willing to do this therefore it may take some ringing around.

Is a Gas Safety Certificate Needed to Sell a Property?

There is not a consistent nationwide set process regarding the requirements of Gas Safe documentation to sell a property.

However, within England and Wales, Building Regulations state that local authorities must be informed when a new heat-producing appliance is installed, which will subsequently trigger a Building Regulations Compliance Certificate to be issued. This is a separate process to Gas Safe registration but should be passed on to the new owners of the property to demonstrate compliance.

A boiler service document can also be shared with potential buyers of the property or passed into the new owners, declaring the condition of the boiler and its components for safety purposes as well as budgeting when a replacement boiler may be required.

Homeowners seeking to sell their property may find that by supplying as much information as possible in order to be transparent regarding the condition of the property, it may sell faster.

Who Must Cover the Cost of Gas Safety Certificates?

Homeowners must of course cover the costs of gas safety certificates. Landlords too must also foot the bill for such documentation following the implementation of the Tenant Fees Act legislation.

This legislation came into force in June 2020, capping and restricting which costs could be charged to tenants with assured short hold tenancies or student lettings within specific educational institutions.

If you are a tenant, please note that it is the landlord’s responsibility to maintain the boiler, ensuring the system is in good working order and is safe.

Gas safety certificates only last one year and therefore they are renewable every twelve months, although a Gas Registered heating engineer can be called any time within the window of ten to twelve months following the last certificate.

If the gas safety certificate for the boiler within your rental property has expired, please contact your landlord or letting agent in the first instance, to chase up this legal requirement.


We have been taking a look at the legal position regarding registration of Gas boilers, both from the perspective of homeowners as well as landlords and tenants.

We have covered what Gas Safe is and the body’s role, the processes involved with boiler registration, checking the status of a boiler and the importance of annual safety checks.

Should you have any further queries regarding the safety of your current boiler, or the boiler within a property that you are about to move in, please seek the advice of a Gas Registered heating engineer should you own the property or are seeking to own the property.

Where the property is rented, please refer to the landlord or letting agent who is responsible for the safety, condition and maintenance of the boiler.

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How Much Gas does a Boiler Use?


As UK households face the unfolding energy crisis resulting in spiralling bills, homeowners may start wondering how efficient their boiler is and how much gas does the boiler actually use.

We will be discussing the factors that impact a boiler’s efficiency, the typical costs of running a gas boiler as well covering some reasons why a boiler looses efficiency and therefore uses more gas.

In addition, we will also cover a few tips in order to save household energy.

Calculating Gas Usage and Monthly Bills

Calculating the cost of energy is a tricky business, not only due to the fact that each household’s actual usage will fluctuate.

The following data shows that the typical average household usage as follows:

  • Low-energy consuming household – 8,000 kWh
  •  Medium household consumption- 12,000 kWh
  •  High-energy consuming household- 17,000 kWh

On this basis, a medium energy consumption household would roughly use approximately 1,000 kWh per month, however this is not broken down between devices within the home and therefore calculating the usage of a boiler is not that straight forward.

Another calculation using average household usage can be undertaken as follows:

The average household boiler is 35 kWh output, which if this boiler was running for 5 hours a day, the approximate energy consumption per day would be 175 kWh.

In order to calculate the accurate cost of 175 kWh, refer to the current cost of a kWh unit on a recent statement issued by your energy provider.

Please note that there is often a daily standing charge applied which should also be factored into any calculations. The current average standing charge is currently £98.97 per year.

There are also differences between tariff prices and in circumstances where a fixed price tariff agreements come to an end, the household will move to a basic variable tariff or SVR.

What Factors Impact Household Energy Costs?

There are a wide range of factors that will impact the household energy usage and therefore, the monthly costs including:

  • The number of household habitants – according to Ofgem, the average household has 2.4 people residing with in it, however this may vary depending on the living arrangements such as shared parental responsibilities or students moving between home and universities for example.
  •  Seasonal differences of household usage – obviously, the colder months will require additional gas usage to heat homes.
  • Subtle differences between daily usage habits and household demand
  • The location of the property – there are price differences between various locations nationwide
  •  Current actual energy prices and tariffs – currently an average unit cost of gas is 4.65 pence per kilowatt hour
  •  The age, condition and efficiency of the boiler
  •  The size of the property
  •  The amount of insulation within the property as well as any draught-proofing measures in place

Costs of Running Gas Central Heating

As we have briefly discussed, the current average kilowatt-hour price of gas is 4.65 pence per kilowatt hour, which when estimating the hourly cost of running a typical 35 kWh boiler, would total £1.63 per hour.

As the wholesale gas prices have risen by 250% over the past year, households may start to wonder how many hours per day to put the heating on in order to manage bills.

There is no easy answer to the recommended number of hours to run a gas heating system as the benefits will depend on how efficient the boiler is as well as how well insulated the property is in order to keep the heat inside.

Typically, the average UK property is heated for 8.7 hours per day during the winter months between October and March, however this will vary wildly depending on the location of the property and condition of the boiler and property.

Meanwhile, the sky rocketing price of energy is not restricted to gas and electric, Other types of central heating may work out more expensive such as heating oil, as price rises in kerosene heating oil have also risen sharply to a high of 60p per litre.

Why is the Boiler Using More Gas?

If a household finds that their monthly energy costs are increasing during a time when the cost of a unit of the kilowatt charge is not increase, the following circumstances may be at play:

  • An ageing boiler – Over time, a boilers efficiency decreases, which over an extended period can have a significant impact, for example a ten year old boiler is estimated to be 30% less efficient, which would therefore increase the costs of wasted gas.
  •  Faults within the boiler programme or thermostat – When a boiler’s programme or thermostat are working correctly, the boiler should turn off when either not scheduled to be running, or when it has reached the desired temperature, however if the controls malfunction the boiler may operate non-stop and therefore wasting energy. In order to prevent this scenario occurring, ensure annual servicing of the boiler is undertaken, as well as monitoring that the boiler does actually switch off when not programmed to run. If any issues are noted, contact a gas registered heating engineer to investigate further.
  •  Part failures – Other parts within the boiler can also fail and cause a reduction of efficiency, therefore it is important to get the boiler serviced each each so that a qualified, gas safe heating engineer can monitor the condition of the internal boiler parts and make recommendations of when elements need replacing.
  •  A pilot light – Older boiler models utilise a pilot light in order to start the main burner however it remains lit, firing continuously whereas newer models use an electronic ignition process which is not continuous. Should a household still be running an older boiler with a pilot light, they should consider upgrading to a modern, more energy efficient boiler.


During this piece we have discussed the current cost of a unit of gas as well as the factors that impact the overall cost of running gas central heating. We have also explored the reasons why a boiler may use more gas and the steps to take to avoid this.

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How Long Should A Boiler Last?


A boiler’s average lifespan is 10 to 15 years before you need to replace it. Your boiler accounts for around 60% of your energy bills and is a vital part of your home.

Buying and fitting a boiler is one of the most expensive investments you’ll make in your home, so the longer it can last, the more value for money you get.

Let’s explore how much life you can expect from your boiler and how you can lengthen that lifespan.

A Boiler’s Lifespan Explained

The timescale between new boiler installations is usually capped at 15 years. You probably have an old boiler that’s survived a more extended period, but it’s the efficiency that matters.

In theory, most boilers, even modern ones, can last longer than 15 years. However, that’s how long it would take to become so inefficient that it becomes more cost-effective to buy a new one. An old boiler can also negatively impact the environment.

A boiler is a piece of complicated machinery with moving parts like expansion vessels, pumps, valves, several meters of pipework, various electronic components, and a burner. No matter the quality, all these parts wear out at different rates.

Additionally, the boiler is constantly going between hot and cool, meaning it’s continually expanding and contracting, leading to stress and fatigue on the joints and pipework. An older boiler will also be from a different time when technology and climate concerns were different, so it’s wise to consider a replacement.

How To Lengthen Your Boiler’s Life

Annual Servicing

When you buy and install a new boiler, you’re told to have it serviced one year later and at the same time every year after that. Annual servicing protects your warranty and keeps your boiler safe, maintained, and efficient.

The best thing you can do to keep your boiler working efficiently for as long as possible is to have it serviced by a professional annually. Annual servicing needs to be carried out by a Gas Safe engineer who performs efficiency and safety tests on the boiler to ensure it works effectively.

Manufacturers require annual services by Gas Safe engineers to ensure the warranty remains valid. The engineer also checks the system for leaks or faults to catch minor problems early before they develop into expensive issues.

Fix Repairs ASAP

Ensure you pay attention to your boiler and heating system to notice any changes or unusual noises that need quick fixing. Don’t ignore or put anything off longer than you have to if you see anything wrong. Minor problems can worsen over time and lead to hefty repair costs.

As mentioned before, boiler parts wear out, but it doesn’t mean the boiler becomes useless. Components can be repaired, cleaned, or replaced, so ensure you have your boiler serviced annually to maintain its efficiency and extend its lifespan.


The boiler’s heating system comprises water and metal, so, naturally, dirt, rust, and sludge build-up in your radiators and pipes over the years. Such build-up can create blockages that gradually decrease the efficiency of your boiler and heating system.

When left too long, such blockage can cause significant damage. With a Powerflush or chemical flush service, a professional engineer can add chemicals to your system and flush to clear any sludge or blockages.

Only Use A Qualified Gas Safe Engineer

It’s dangerous and illegal for unqualified people to work on appliances like boilers. Your warranty can also become void when you use anyone other than a qualified professional. Always the engineer you use is on the Gas Safe Register, which provides a list of heating engineers legally eligible to work with such appliances with the highest standards.

Using a qualified engineer from installation to any ongoing repairs or servicing can help you increase the life of your boiler by preventing damage to your boiler and heating system.

Choose A Suitable Boiler

Having a boiler that’s the right fit and size for your home is vital. A boiler that’s too small means you’ll be overworking it and putting excessive pressure on the system, resulting in frequent breakdowns and reducing the lifespan of your boiler.

On the other hand, a boiler with excessive power can lead to high energy bills. A good quality boiler that’s the right size for your home should meet your hot water needs perfectly without any issues for many years to come.

Should I Replace An Old Working Boiler?

Even when your boiler is over ten years old and is yet to break down, you may be tempted to keep it going for as long as possible. After all, a replacement is a significant investment that requires careful consideration.

Odd noises, faults, and regular repairs are good indicators that your boiler is on its way out, and you should start considering getting a new one. Other motivators that make a new boiler the best option for you include:

Low Energy Bills

A boiler gets less effective and efficient at heating your home as it gets older, meaning it needs to work extra hard and use more energy to produce hot water. You’ll immediately see significant reductions in your energy bills when you replace an old boiler with a modern, more efficient model. In some cases, savings reach up to £365.

Latest Technology

Modern boilers are more attractive and compact, and they also outshine their predecessors in terms of performance and cheaper running costs. Today boilers come with better controls and can be connected to the internet for enhanced control of your heating through an app from anywhere in the world.

You can control how you heat each room in your home and the temperature. Others come with weather compensation technology that automatically adjusts the heating according to the weather outside or maximum energy savings.

More Available Parts

Older boilers may require parts that are already discontinued. Your boiler may still be hanging in there, but the parts needed may not be around anymore.

It can be almost impossible and expensive to source them when your old boiler requires replacement parts. A complete replacement of your boiler may prove to be the better option.

Selecting The Right Boiler

You must ensure you’re making the right choice according to your lifestyle, home, and budget when it’s time for a new boiler. Factors to consider include:

Boiler Type

  • You can choose from three boiler types including:
  • Regular boilers – Also called traditional boilers, they’re usually found in older heating systems. With regular boilers, the cold water from the main supply fills a large tank in the attic, which feeds water to the boiler where it’s heated. Hot water is then sent to radiators and a separate hot water cylinder for the taps.
  • A combi – Combi (combination) boilers are the most common boiler installed in the UK today. They’re a compact unit that takes water supply directly from the mains and heats it on demand, removing the need for hot water tanks or cylinders. They’re usually not suitable for large homes with high heating and hot water demands.
  • System Boiler – The system boiler also takes water from the main supply. It produces hot water and directly sends it to your radiators. However, it needs a separate hot water cylinder that’s kept in an airing cupboard to store the hot water for use in your taps.

Final Thoughts

A suitable boiler should last you at least ten years or longer if you keep it well-maintained.

If your boiler is outdated, you should consider replacing it even if it’s still working to ensure you get energy savings not possible with an old, inefficient boiler. Ensure you only work with a Gas Safe registered engineer for your boiler needs.

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Best Combi Boiler Under £1000


Combi boilers have dramatically increased in popularity in the UK, and with good reason. They’re economical to run, affordable and you can rely on them to keep your home nice and warm no matter the weather.

Although lower costs are often associated with low-quality, unreliable products, you can still find efficient and reliable cheap combi boilers available in the market. Here are some of the best combi boilers under £1000 from some of the leading boiler manufacturers in the UK:

Brand Model Central Heating Output Hot Water Output Price
Vaillant ecoFIT Pure 825 19.1 kW 25.2 kW £907
Worcester Bosch Greenstar 2000 20 kW 25 kW £730
Ideal Logic Plus C24 24.2 kW 24.2 kW £847
Baxi 624 21.8 kW 24 kW £750


Vaillant ecoFIT Pure 825

Valliant is a leading boiler manufacturer that has produced heating solutions for over 14o years. The brand is well established in the UK and has been manufacturing combi boilers for the UK market for decades.

Their ecoFIT Pure range has one of their cheapest combi boilers that maintain the brand’s reputation for efficiency, quality, and reliability. The Vaillant ecoFIT Pure combi offers up to 94% efficiency and is the only Valliant range to feature an aluminium heat exchanger.

Features include:

  • An ultra-quiet operation.
  • Clear and understandable LCD.
  • Installable within a cupboard.
  • Compatible with Valliant heating controls.

Valliant’s own VSsmart smart thermostat provides self-learning abilities to Valliant combi boilers. It can understand your home’s heating needs and make your boiler work smarter to reduce energy bills.

Costing £907, it comes with a two-year standard warranty that can be extended to 7 or 10 years when you register and install the boiler through a Valliant Advance installer.

Worcester Bosch Greenstar 2000

Since its establishment in 1962, Worcester Bosch has remained a permanent fixture in the UK boiler market. Worcester have an enviable reputation in the UK, and they’ve been offering high-quality combi boilers to their customers for many years.

The company has an extensive range of boilers, from high-end industry-leading heating solutions to more affordable options. The Worcester Bosch Greenstar 2000 range of combi boilers was launched in 2019. They were designed to provide more homeowners with access to the quality, efficiency and reliability of Worcester Bosch boilers.

Features include:

  • One of the quietest combi boilers manufactured by Worcester Bosch.
  • Increased reliability and efficiency thanks to a C6 heat exchanger.
  • Modulates down to 4.8 kW for minimised energy usage.
  • Designed to be easily and quickly installed.

The entire Worcester Bosch combi boiler range is compatible with smart home technology allowing you to control your boiler from anywhere through the internet. Smart technology increases the efficiency of your boiler by optimising your home heating and hot water schedules.

The Greenstar combi boiler model can achieve up to 98% efficiency with a smart thermostat. It’s available for £730 and comes with a five-year standard warranty.

Ideal Logic Plus

Ideal Boilers are a UK brand that produces over 10,000 quality units every year, and the popularity has snowballed thanks to the affordable and hugely popular Ideal Logic Plus range. They’ve built a strong reputation for delivering reliable heating solutions.

Features include:

  • Designed for compact cupboard installation. It has a width of 395mm, a height of 700mm and a depth of 278mm.
  • It fully modulates down to 4.8 kW to ensure energy consumption is kept at a minimum.
  • It has built-in frost protection to keep your boiler healthy even in the winter.
  • It has endorsements from the Energy Savings Trust.

Costing around £847, the Ideal Logic Plus comes with a lengthy 7-year warranty with a heat exchanger that’s covered for ten years. You can also add an extra £100 to £150 more for the 30-kW model.

Baxi 624

The Baxi range of combi boilers aims to make modern boiler technology available at an affordable price. The range of combi boilers have been developed further into the 400, 600 and 800 range, and they’re a tried, tested and trusted heating system.

Features include:

  • Small and compact and can be installed in a standard kitchen cupboard.
  • Provides flexible options for installation locations.
  • Installation is very straightforward, thanks to low lift weight.
  • Impressive outputs are available in 24 kW and 30 kW models.

With an efficiency rating of A, the boiler works at an efficiency of around 89%. It’s also compatible with smart technology, allowing you to control and operate your boiler from a tablet or smartphone. It’s compliant with current legislation and surpasses regulation guidelines when installed with the uSense Baxi smart thermostat.

Costing £750, the Baxi comes with a standard 7-year warranty for parts and labour after installation. That’s more than enough peace of mind at an absolute bargain price from a reputable brand.

What Determines The Cost Of A Combi Boiler?

Various factors can make one boiler more expensive than the other. Each manufacturer has its pricing structure, and different brands will have different boiler prices. Other things that influence the price of a combi boiler include:

  • The boiler flow rate

The flow rate refers to how much water your boiler can process every minute and is measured in litres. If the flow rate is 9.8 litres, the boiler can process that volume every minute.

  • The boiler output

The boiler output is closely linked to the flow rate. While the flow rate measures the amount of water the boiler can transport to the tap, output determines the water amount it can heat as the water passes through the boiler.

If you have a big home, you should select a boiler with a higher output. The general rule of thumb is 24-27 kW for small homes and flats with up to 10 radiators, 28-34 kW for larger semi-detached properties and 35 kW+ for larger detached homes with over 18 radiators.

It’s vital to get the output rate correctly. If you choose a boiler with a low output rate, it will struggle to provide water at your required temperature. On the flip side, if you choose a boiler with an output rate that’s too high, the running costs may run into any savings you expect to make on energy bills.

  • Efficiency

With higher energy efficiency, your boiler will be cheaper to run, meaning you’ll pay lower utility bills. Combi boilers can have two different energy efficiency rates. These include the ERP rating ranking efficiency from A to G, where A is the most efficient and a percentage that shows the exact amount of energy used by the boiler’s core function.

  • Boiler Size

The dimensions you choose will determine where you put your combi boiler. Do you plan to hide it behind a cupboard or fit it under the stairs? It’s important to ensure the boiler you choose can fit where you wish to put it. The installer can help you make an informed decision by taking precise measurements of the area you select to ensure everything, including pipes, fit comfortably and attractively.

  • Warranty

The warranty communicates what the manufacturer thinks of their product, and it’s never advisable to install a boiler with a short warranty period. Boiler repairs aren’t cheap, and a warranty may be the only thing standing between you and the hefty costs of fixing your boiler. The good news is that there are plenty of boilers from leading brands with warranties in the 5–10-year period.

Final Thoughts

it’s now very easy to access the best combi boilers under £1000 with many companies offering installations on finance. You can compare quotes and pay for your boiler monthly even when you don’t have the cash up front!

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Changing From Conventional Boiler To Combi


Only change is constant, which is true when it comes to technology. Changing from a conventional to a combi boiler can seem like a walk into the unknown, but it’s a worthy investment in most cases.

Combi boilers take up less space, require less maintenance, heat water on demand, and are generally more efficient. If you’re looking to change from a conventional boiler to a combi but don’t know what it entails, we’ve got you covered!

Read on to learn more about changing from conventional boiler to combi.

What Is A Combi Boiler?

A combi boiler refers to a conventional boiler. It’s a combination of a water heater and a central heating boiler system in a single unit. It heats water on demand as soon as you turn on the water tap, eliminating the need for storage tanks required in conventional boilers.

The combi boiler is a compact system without any external cylinder or tank. It uses radiators to warm your home and heat water. The combi boiler is constantly on standby, providing instant hot water when you turn on the hot water tap.

Once the hot water tap is on, a signal to start heating the water inside the system goes to the boiler. Hot water supply begins almost immediately as the heat exchanger inside the combi boiler transfers heat from the burnt gas inside the boiler to the cold water and delivers it as required.

The control valves direct the water through the central heating system or divert it to the hot water tap. Combi boilers also allow you to pre-set your desired temperature where the boiler works with the thermostat to ensure it heats your home according to your preference.

Deciding If You Should Change From A Conventional Boiler To Combi

A combi boiler is a suitable choice unless you have a high demand for hot water and heating where several hot showers are running at once or dozens of radiators. Here’s why:


One main reason for changing from a conventional to a combi boiler is energy efficiency. Thanks to condensate technology, you can save up to 40% on your energy bills by replacing a 12-15-year-old boiler with a modern A-rated condensing combi boiler.

A boiler’s internal components go through significant thermal stress daily, which gradually leads to corrosion. Through years of use, the corroded parts bring the efficiency of a conventional boiler down 70% or 50%. This translates to high energy bills where you spend more on heating your home and water.

A-rated condensing combi boilers are over 90% efficient and can provide you with substantial energy savings. You can even find brands that are over 98% efficient!

Saving Space

If you have a small home or want to save space on your property, the combi boiler is the right fit. While conventional boilers need a storage tank to store heated water, combi boilers don’t require a tank since they produce hot water on demand.

Combi boilers require less pipework than conventional boilers and are the perfect central heating solution for modern tiny homes and flats. Many manufacturers offer compact combi boilers that can comfortably fit on a standard-sized kitchen cupboard.


Because combi boilers require fewer components like pipework to work, they tend to last longer than conventional boilers. They suffer less from thermal stress and corrosion and come equipped with modern technology for increased durability.

You can easily preserve a combi boiler’s high-efficiency levels for many years with the proper maintenance.

What Is Involved In Changing From Conventional Boiler To Combi?

Changing from a conventional boiler to combi can take a day or a few days to a week, depending on your situation. It’s not advisable to try and change from a conventional to a combi by yourself. It involves more than plugging and unplugging boilers, and no DIY skill can prepare you for the task involved.

Doing it yourself or with unqualified installers is risky and overwhelming, and it’s easy for a poorly installed boiler to turn into a hazard. You even face possible jail time and hefty fines if you install your boiler without the help of a certified gas engineer.

General steps that a gas engineer will follow when changing from a conventional boiler to combi include:

  • Draining the existing heating and hot water system.
  • Uninstalling the existing conventional boiler.
  • Unplugging and removing existing controls and thermostats.
  • Removing old conventional cylinders and attic tanks.
  • Inspect the existing pipework to determine if any faults can compromise the combi boiler.
  • Installation of the new combi boiler and any required pipework.
  • Powerflush on the entire boiler system and installation of magnetic filters or limescale filters for hard-water areas.
  • Installation of new thermostats that can boost energy-saving efforts.
  • Testing of the new combi boiler system to ensure it’s running correctly. The gas engineer will also provide tips on best usage and maintaining your combi boiler.

Costs Of Changing From Conventional Boiler To Combi

The costs will differ depending on the system’s complexity. A more complex system costs more to replace and install than a simpler one. Installing a combi boiler system on a small house will cost less than a larger one.

Unless you choose flagship or high-end combi boilers, it’s the replacement or installation that accounts for a massive chunk of the cost and not the boiler itself.

You can expect to spend somewhere between £2,000 to £3,000 on average, but this is only a rough estimate. It’s recommended you get a combi boiler quote for a more accurate estimation. There are different types and sizes of combi boilers, and suitable one should factor in the size and cost of your property.

Here are some common combi boiler conversions and an estimate of the time and money it can cost:

  • System boiler to combi boiler can cost from £2,000 to £2,450, with the replacement taking two days to complete.
  • Regular boiler to combi boiler can cost from £2,200 to £2,500, with the replacement taking two days to complete.
  • Back boiler to combi boiler can cost from £2,400 to £3,000, with the replacement taking 3 to 3 days to complete.
  • Old combi boiler to new combi boiler can cost from £2,200 to £2,500, with the replacement taking around two days to complete.

Removing the water storage tank of the conventional boiler can also add to the costs. You’ll pay from £100 to £150 for removal of storage tanks while removing a cold feeder tank can cost between £200 to £300.

Choosing The Best Combi Boiler

You’ll find many reputable manufacturers and excellent models to choose from when looking for a combi boiler. Things to remember selection include:

  • Physical dimensions – the perfect size of the boiler will depend on the amount of space you have on your property. Will you need to fit in a small space like a cupboard?
  • kW output – is the boiler powerful enough for your household needs?
  • Warranty – does the manufacturer show confidence in their product in the included warranty?

Ensure you don’t sacrifice the warranty to save a few pounds on a new combi boiler. Go for brands with confidence in their products’ longevity, which should be evident in the warranty. A 5-year warranty should be the minimum and if you can afford it, go for brands with ten-year warranties.

Final Thoughts

Changing from conventional boiler to combi is worth it. Combi boilers are compact, efficient, easy to maintain, and provide hot water on demand. A combi boiler adds value to your home and saves you up to 40% on energy bills.

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How Old Is My Boiler?


It’s always essential to know the age of your boiler to determine whether it’s still efficient or you’re paying more than you need to heat your home. The chances of your boiler breaking down become significantly higher as it gets older, and it may be time to upgrade or replace it.

Here’s everything you need to know to determine how old your boiler is:

Check Your Boilers Serial Number

One easy way to find out the age of your boiler is to look for the serial number. The serial number of your number will look like a long barcode, and you can find it somewhere on the outside of your boiler. The serial number includes numbers and letters unique to your boiler.

You can find the number on the side, the drop-down panel, the bottom of the boiler, or the installation manual. The serial number contains information on your boiler’s year of manufacture. Here’s a breakdown of the different boiler manufacturers and where you can find the installation year in the serial number.

How Old Is My Baxi Boiler?

It’s pretty simple to find the serial number of your Baxi boiler. They usually have a sticker with the number on the front of the boiler, or you can find it inside the drop-down panel.

If your Baxi boiler’s manufacture date is after 2003, the serial number’s 4th and 5th digits will represent the year of manufacture, while the 6th and 7th digits will represent the week within that year. For example, if the serial number is BCP061100298ZX, the 4th, 5th, 6th, and 7th digits are 0611. This means the date of manufacture is 2006 in the 11th week.

If your Baxi boiler is older than 2003, you can provide the serial number to Baxi, and they can let you know the manufacture date of the boiler.

How Old Is My Valliant Boiler?

The serial number is usually found on a sticker on the boiler itself or inside the front panel with Valliant boilers. Valliant boilers have serial numbers that are 20 or 28 characters long. The 3rd and 4th characters represent the year of manufacture, while the following two numbers represent the assembly week number.

Therefore, if the 3rd digit is 0 and the 4th digit is 2, your Valliant boiler was manufactured in 2002.

How Old Is My Ideal Boiler?

With ideal boilers, you can check the Benchmark Certificate found in the boiler’s installation manual. Depending on your model, you can also find the serial number on the top or underneath the Ideal boiler. The models include:

Ideal Logic And Ideal M

You can find the serial number in Ideal Logic and Ideal M on a barcoded sticker on top of the boiler. It’s a long 24- or 25-digit number split into three sections, with the last two sections showing the boiler’s age.

The very end of the serial number usually displays the manufacture date. Boilers manufactured pre-2015 usually have dates formatted as YY/MM/DD, while those manufactured after 2015 have a DD/MM/YY format.

Ideal Classic

The Ideal classic has a shorter serial number of 17 or 18 numbers displayed on a barcoded sticker at the top of the boiler. The third cluster of numbers on the serial number contains four digits representing the year and week of production.

For example, if the serial number is UZ 202034 0612 00149, you look at the 3rd cluster, 0612. The manufacture date, in this case, is 2006 in the 12th week.

Ideal Mini

The serial number in Ideal Mini boilers is shorter than most boilers, and instead of the year and week, it provides the month and year. You can find the month and year of manufacture in the last four digits of the serial number.

For example, if the last four digits read 0408, the boiler was manufactured in April 2008.

How Old Is My Worcester Bosch Boiler?

Despite being very popular, it can be challenging to determine the age of Worcester Bosch boilers unless you’re a professional. The serial numbers are designed for internal use only and have FD numbers that have production dates coded in.

You’ll need to contact the support team of Worcester Bosch if you want to determine the age of your boiler.

Signs That Your Boiler Is Getting Older

You can look for various signs showing that your boiler has aged and is becoming inefficient. These include:

Rising Bills

The main culprit can be your ageing boiler if you notice rising heating bills. As your boiler gets older, it will start burning through more fuel than usual, causing your bills to rise.

Boiler efficiency drops with age meaning it will require more energy to heat your home, costing you more money in the long run.

Your Home Feels Cold Despite The Boiler

If you’re still feeling cold in your home and the boiler is on, or it isn’t as warm as it used to be, then you need to start thinking about a replacement or upgrade. It may be time to get a new boiler that will do a better job and be more effective at heating your home.

Breaks Down Regularly

The chances of your boiler breaking down increase as your boiler gets older, which translates to regular, costly repair bills. The parts that break down in old boilers may also be challenging to find and replace. You can easily spend up to £1,000 looking after an old inefficient heating system. Instead, you should channel the funds towards investing in a new boiler.

When Should I Replace My Boiler?

The efficiency of a boiler drops as it ages, and a boiler that’s 90% efficient today may be less than 80% efficient in 10 years. This means it will use more fuel and provide less heating, leaving you with a cold home and mounting energy bills.

Therefore, it’s a good idea to replace your boiler at around the ten-year mark. A good time to start thinking about a new boiler is eight years after the initial installation. A heating engineer can provide a proper estimate of how many more years you can get from your boiler during servicing.

How Much Can A New Boiler Cost?

You’ll pay different prices depending on the type of boiler you want to install. You can choose from combi, system or regular boilers. You can go for a direct replacement of your current boiler, but if it’s outdated or your heating demands have changed since your last boiler, it’s worth considering an upgrade or a different boiler.

Here’s a rough estimate of typical boiler prices and their installation costs:

Boiler Price Cost Of Installation
System £500 – £2,500 £500 – £1,000
Combi £500 – £2,000 £500 – £1,000
Regular £500 – £2,750 £500 – £1,000


You may also have to factor in the cost of a replacement cylinder when you choose regular or system boilers because they must be installed alongside a hot water cylinder. The cylinder stores the hot water until you turn on the hot water tap.

It’s wise to get quotations from three to four different companies to ensure you get the best installation prices. Research on different boiler brands before deciding to understand which one is most suitable for your home.

Final Thoughts

Upgrading from an old and inefficient boiler can potentially save you up to £340 annually in energy bills. Such figures compound a considerable amount of wasted money you can use to pay off the cost of a new boiler quickly. If you’ve noticed any issues with your current boiler or it’s over ten years old, then it’s time to consider a replacement.

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Boiler Installation Cost Calculator – Average Boiler Cost 2022

Boiler Installation Calculator

There’s no getting around it, installing a new boiler is an expensive task, however planning for such an upgrade can be tricky as the information regarding the exact costs to expect are hard to determine and there is not a set price that homeowners or landlords can transparently discover.

There are average prices published on a wide range of sites suggesting that the cost of installing a combi-boiler is between £1,600 and £2,500, whereas regular boilers installations tend to start a bit higher at £1,700 and range to £2,000 and finally system boilers often have a price range of £1,900 to £2,200.

Of course, boiler installation quotes can be obtained from a variety of sources including national companies, local firms or online boiler suppliers and compared, however this is quite an onerous task to complete this day and age.

Therefore we have drafted this article in order to calculate the cost of a new installation as well as discussing the various factors that impact the actual cost.

Factors that Impact New Boiler Installation Quotes

Within the range of the average prices mentioned above, there are still an array of factors that will be at play within every installation, adjusting the actual price paid for a boiler installation according.

These factors include:

  • The type of property that the boiler is due to be installed within
  •  The scale of the property – Eg, the number of bedrooms, bathrooms and radiators
  •  The type of boiler required
  •  The location of the property
  •  Whether the boiler is due to be moved to another location
  •  The installer
  •  If any optional extras are selected upon ordering

Let’s now discuss some common scenarios that could occur including the above factors, and how they would impact the overall installation cost.

The Type and Scale of the Property

Both the type and scale of the property will impact the cost of an installation, however the differences are not easy to unpick on a general article such as this.

For a starting point it may be useful to complete a short questionnaire on one of the online boiler ordering sites in order to get a baseline of the cost of a boiler installation for the required property type and size.

Another method would be to request some quotes from national and local firms in order for engineers to establish the most suitable style of boiler for the property.

The Type of Boiler Chosen and Conversions of Boiler Types

As we have mentioned, the type of boiler will determine a large percentage of the overall price of the installation, with a top end combi-boiler being the most expensive for example.

Combi-boilers are currently one of the most popular types of boiler in the UK due to the space saving benefits as this type of boiler does not require a separate water storage tank, however there are limitations as combi-boilers are not suitable for all households such as properties with a heavy demand or weak water pressure.

The size of the boiler will also be linked to the demand within the property, often attributed to the number of bathrooms within the property.

Therefore in order to determine which boiler type and size would be most suitable for the household, a consultation with a Gas Safe registered heating engineer may be required.

The most common boiler installations are either:

  • Replacing an Existing Combi-boiler, like for like – As no changes to the pipe work are required with a like for like installation, quotes should be around £2,000 and the timeframe should be approximately one working day.
  • Upgrading from a Regular Boiler to a Combi-boiler – Such an upgrade would require the decommission and removal of the storage tank, pipe work changes as necessary and the installation of the new boiler time. Such a conversion would cost in the region of £2,500 and take slightly longer than a like for like replacement, possibly an extra half day. There may also be additional waste removal costs to remove the old tank, however this would depend on specific companies terms and conditions.

Another factor to consider would be if the tank can actually be physically removed in one piece as there may be sizing limitations such as loft hatches or, if the property has been adapted since built.

If not and additional deconstruction is required, this may add additional labour time and costs. Further more, if any asbestos is thought to be within the tank itself, specialised suppliers would be needed to safely undertake the works.

To possibly eliminate such concerns, some research could be undertaken into the type of tank and the date of installation.

Replacing a Back Boiler with a Combi-Boiler

Another frequent scenario that comes up is when a homeowner or landlord opts to upgrade their outdated back boiler with a new combi-boiler.

In 2005 the UK government introduced new regulations requiring all replacement boilers and new installations to be condensing boilers, and therefore since, manufacturing of back boilers and their components has grind to a holt.

Back boilers are now deemed a health and safety risk and keeping them going has become increasingly challenging due to the lack of parts available.

There is sufficient work involved with decommissioning a back boiler, removing the large floor standing unit and installing the necessary pipe work and flue for a new efficient combi-boiler, approximately two and a half days labour, costing around £3,500.

Moving Boilers

As we touched on earlier, a like for like replacement in the same location would keep pipe work changes to a minimum, however should the homeowner or landlord opt to move the boiler there will be additional costs and labour required.

The exact increase in cost would depend on where the new boiler is to be located and the distance between the old location and new location to amend the pipe work and flue as necessary.

As an approximate guide cost, to move a boiler within the same room could add around £600 to the installation price and additional half day of labour.

The Location of the Property and The Installer Chosen

There will be variations in the cost of installing a boiler up and down the country, depending on the cost of labour and accessibility of parts.

In addition, there are also variances in the charges between installation companies, for example large national firms are likely to provide higher quotes in order to cover their large overheads, whereas local firms or online companies often offer more competitive pricing.

Additional Extras

When ordering a new boiler installation the homeowner or landlord will likely be offered an array of additional extras including:

  • Chemical Flushes – A process of cleaning through the entire heating system to remove limescale and any debris that has been built up. The flushes are offered as preparation for a new boiler in order to protect the new boiler unit from any contaminated or dirty water within the system entering.
  • Smart Controls – Modern smart thermostats can assist with controlling the boiler remotely via a mobile phone app.
  • Boiler Insurance – Additional policies protecting the homeowner or landlord from any costs of emergency call outs.

Boiler Installation Cost Calculator Summary

During this article we have covered some of the most common scenarios of boiler installations and the differences in prices and labour times that each would have.

We have covered the factors which impact and vary the overall boiler installation cost and also the additional extras which a consumer will likely be offered when placing their order.

If you are ready for a new boiler or wish to discuss any upgrading requirements please liaise with a qualified heating engineer for expert advise and up to date quotations.

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