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Last updated: 5 February 2025

New Boiler Installation & Replacement in Chislehurst

  • By replacing an old boiler with a new, highly efficient one, you can save up to £640 on your yearly heating bills.
  • The costs of a new boiler installation typically range from £1,100 to £5,000, depending on the kind of boiler you choose.
  • The costs of a boiler replacement vary depending on the kind of swap you opt for. For a like-for-like combi boiler replacement, you can expect to pay about £1,500 - £4,500. It costs around £1,100 - £5,000 to replace a combi boiler with a system or a conventional boiler.

A new boiler installation can be a great way to reduce heating costs and improve your central heating system performance. The cost of investing in a new boiler can be quite high, ranging anywhere from £1,100 and £5,000. However, it can pay off in the long run, as you’ll be able to notice savings of up to £640 on your yearly heating bills. Picking the best boiler for your needs depends on too many factors to calculate without a helping hand. This is one of the many reasons why an adept heating expert is necessary when assessing your home. You can get in touch with one of the many boiler installers in Chislehurst to help you decide what works best.

All you have to do is fill out a quick and easy 30-second form and we’ll supply you with up to 3 free, non-binding quotes from the professionals who can provide the best boiler installation in Chislehurst. Click the button below to get started.

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How much does a boiler cost in Chislehurst?

How much is a new boiler?
Type of boiler Cost excluding installation Cost including installation Average, inc. installation
Combi £500 – £3,000 £1,500 – £4,500 £3,000
System £580 – £3,500 £1,580 – £5,000 £3,290
Conventional £600 – £3,500 £1,100 – £5,000 £3,050
Electric £590 – £2,500 £1,590 – £4,000 £2,795
Biomass £4,000 – £12,000 £6,000 – £21,000 £13,500

The main types of boilers are combi (including gas combis and electric combis), system, and conventional boilers. The new boiler cost can vary in terms of efficiency, the parts they use, and the different fuel types they run on. 

Combi boilers are currently the most popular home heating system in Chislehurst. The most efficient combi boiler models reach efficiency rates of up to 98%, meaning that they will warm up your home without wasting too much fuel in the process. If you’re looking to install a combi boiler, make sure to choose one of the best combi boiler options on the market. 

It’s also important to note that the exact cost of getting a new boiler can vary depending on the complexity of the installation and whether you require additional parts. At the same time, any gas boiler installation in Chislehurst will cost more as it will require a connection to the gas main.

Combi boiler installation in Chislehurst

Combi boilers are the most energy-efficient type of boiler. These boilers supply hot water on demand and are ideal for single-bathroom houses with lower hot water consumption. Combi boiler installations in Chislehurst are generally electric and gas, although newer fully electric models are getting popular. A combi boiler installation in Chislehurst is ideal for smaller households with a single bathroom. While they are highly efficient, combi boilers cannot attend to high energy needs. That is why system or conventional boilers are more suitable for large homes.

System boiler installation in Chislehurst

A system boiler requires both a boiler unit and a hot water storage tank to operate. Because of this additional component, system boilers can supply water to radiators and multiple taps at the same time. So, for households in Chislehurst with high hot water demands, a system boiler installation is a great solution. Compared to a combi boiler, system boilers are somewhat less efficient. However, depending on the kind of fuel it runs on, it can still bring long-term savings on your energy bills.

Conventional boiler installation in Chislehurst

Conventional boilers consist of a boiler unit, an open-vented hot water cylinder (usually located in the loft), and an expansion tank. The system operates by heating water in the boiler and then storing it in the hot water cylinder. If you’re looking for a conventional boiler installation in Chislehurst, you should be prepared for higher installation costs. Fitting a conventional boiler is no simple task. Especially if you’re replacing a combi or system boiler. The pipework in your home will need to be adjusted to accommodate a conventional boiler and the hot water cylinder and storage tank will need to be fitted.

Electric boiler installation in Chislehurst

As their name suggests, electric boilers use electricity to generate heating and hot water for your home. This makes them a safer option than combustible fuels such as gas or oil, reducing the risk of accidents that your heating system can cause. Because it hardly wastes electricity when it operates, an electric boiler can help you avoid overspending on your monthly energy bills. That said, electricity prices in Chislehurst are currently higher than gas. So, make sure to take this into account if you’re choosing an electric boiler for your home.

Biomass boiler installation in Chislehurst

Biomass boilers run on fuel such as wood chips, logs or pellets. Because of this, they are considered a renewable home heating solution that can help you reduce your home’s carbon emissions. While biomass boilers have several impressive advantages, it’s important to note that they are more expensive than any of the other boiler types. At the same time, they take up a lot of space in your home, as the boiler unit is quite large and the fuel needs to be stored in a dry indoor space.

How much is a new boiler replacement in Chislehurst?

The cost of a new boiler replacement ranges anywhere from £1,100 to £5,000. Whether your boiler replacement will be at the lower or higher end of this price range depends on the boiler you choose and the kind of boiler swap you need.

Replacing an old combi boiler with a new one costs around £1,500 - £4,500. Switching a combi with a system boiler is a bit more expensive, costing about £1,580 - £5,000. Finally, replacing a combi with a conventional boiler will cost you somewhere between £1,100 - £5,000. Be sure to keep these estimates in mind when deciding on your new boiler replacement.

The price of your boiler installation depends on the rates of the installer. That’s why it’s important to find reliable fully qualified heating experts. Unfortunately, this can be a stressful process that requires days of research and price comparisons. That’s why our service is a great way to save time and find trustworthy heating engineers.

All you have to do is fill out a 30-second form and we’ll do the rest by reaching out to thoroughly vetted installers in Chislehurst. We will then connect you with them, so that you can find the cheap boiler installation that meets all your requirements. Click the button below to get started and you’ll receive up to 3 free, non-binding boiler quotes.

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What size boiler do I need in Chislehurst?

Numerous factors can determine the right boiler size for your home:

  • Number of bedrooms
  • Number of radiators
  • Number of bathrooms
  • The insulation in your home
  • Building regulations (if applicable)
The right boiler size for your home
BedroomsRadiatorsBathroomsBoiler size
1-20 to 10118 to 27kW
3-410 to 152 to 328 to 34kW
5 or more15 to 204 or more35 to 43kW

Of course, these numbers apply to the UK in general, so pinning down the exact boiler size for every Chislehurst household can be difficult. As a rule of thumb, combi boilers are less useful for households with multiple bathrooms, as they produce hot water on demand and this stretches their abilities thin when several taps are operating at the same time.

For higher water flow rates at the expense of a bit of energy efficiency, both system and conventional boilers can do the trick. However, both of these require extra space for additional components like a hot water cylinder and a water storage tank. While they are more adept at providing water for homes with more elaborate needs, they could be less suitable for smaller homes with less space.

If costs are your main concern, the good news is that there are certain grants that can help you upgrade your home heating system. The Boiler Upgrade Scheme (BUS) has been open since 23rd May 2022 and will run until 2028. Potentially, applicants can receive a grant of up to £5,000 to install a biomass boiler.

Boiler replacement vs repair in Chislehurst?

It’s hard to decide when you should replace your central heating system or opt for boiler servicing. Even the strictest regiment of boiler maintenance can’t hold the inevitable at bay. As a general rule, here are a few signs you need to ditch your current heating system:

  • Your boiler installation dates back over a decade.
  • Reduced efficiency has led to increased energy bills.
  • Unusual noises are coming from your boiler or heating system.
  • Errors pop up frequently.
  • It’s getting difficult to find replacement components.
  • Your home is more susceptible to the cold.
If the following signs are present, your old boiler might be on its way out. Opting for a new boiler may be far more beneficial in the long run than keeping up with constant repairs. In such cases, opting for a new central heating system may be preferable, especially when it might spare both repair and energy bills.

Boiler brands in Chislehurst

Here are some of the most highly-reviewed boiler manufacturers available in Chislehurst. These prominent names all provide heating solutions across the UK and offer a variety of boiler models of different types and sizes. Many, if not all, of these brands provide extended warranties if the installation is conducted by a fully-qualified Gas Safe registered engineer.

1. Worcester Bosch
Trustpilot: 4.6 out of 5 | 44,955 reviews

Worcester

2. Vaillant
Trustpilot: 4.2 out of 5 | 20,425 reviews

Vaillant boilers

3. Ideal
Trustpilot: 4.8 out of 5 | 50,096 reviews

Ideal boiler

4. Baxi
Trustpilot: 4.6 out of 5 | 63,196 reviews

Baxi boiler

5. Viessmann boilers
Trustpilot: 4.4 out of 5 | 5,058 reviews

Veissmann boilers

Whether you’re looking for a Baxi or a Worcester Bosch boiler installation in Chislehurst, you’ll still need a pro with reliable credentials and good prices.

If you’re on the hunt for a new boiler, you’ll definitely need an installer you can trust. Finding a boiler installer in Chislehurst is a difficult task to do on your own, with all the days of research and compiling prices. Do away with the headache of all that and let us take the wheel. Our service can quickly and easily provide you with the best prices from up to 3 Gas Safe registered engineers.

All you need to do is fill out a 30-second form and we’ll handle the rest. There are tons of trusted professionals in Chislehurst who are up to the task of installing your new central heating system or replacing a boiler. Click the button below to get started and find the cheapest boiler installation in Chislehurst from seasoned professionals.

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Get a new boiler in Chislehurst in 5 easy steps

New boiler in Chislehurst

The boiler installation process can be summarised in the following steps: 

  1. Choose the right boiler for your home: Decide which type of boiler can best attend to your household’s energy needs. 
  2. Find the installer you want to work with: Subsequently, choose the installer you trust to provide a quality installation. Make sure to compare several professionals before committing to one. 
  3. Removal of the old boiler: The installer removes your old boiler and prepares the installation site for the new boiler. For instance, if adjustments need to be made to the pipework, these will be made at this stage. 
  4. Installation of the new boiler: The installer fits the new boiler. This process is fairly straightforward and easy when installing a combi boiler. However, because of their additional components, a system or a conventional boiler will take longer to install. 
  5. Final checks: The installer runs some tests to make sure that your new boiler runs optimally. You can then begin to enjoy your new appliance. 

Find the best boiler installers in Chislehurst

Boiler quotes in Chislehurst

To ensure that you are getting a safe and high-quality boiler installation or replacement, you will need to work with one of the best installers in your area. However, looking up installers and comparing their services and costs on your own can stretch on for hours or even days. 

Instead of wasting your precious free time, let us help you get started in just 30 seconds. All you have to do is fill in our short form and we’ll connect you with up to 3 of the best boiler installers in your area. They will offer you quotes for a new boiler installation, so you can find the installer you want to work with and secure the best deal for your home at the same time. 

Simply click below to request free, non-binding quotes now!

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  • Save up to £975

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