New Boiler Costs in the UK: A Complete Guide to Understanding Costs and Grants in 2024

In case your intention is to replace the existing home heating system then it will be important to know the new boiler cost. Changing old fashioned boiler for some sophisticated one with modern features such as energy efficient is a good way reducing the amount of carbon that a household emitting and lowering bills too. UK government grants are now available to make eco friendly homes and this have made it easier for the exercise to be carried out. This is the reason why in this article, we will discuss the new boiler cost, elaborate on the price features depending on the type and brand, and also show how to save money by applications for grants.
Why a New Boiler?
In the old boiler which has lots of issues like improper heat output or more frequent breakdowns then you should go for a new boiler. Cookers are as essential in any home in the UK as they are in any other country especially given the harsh winter we experience here. Replacing an old boiler with a new, high efficiency boiler not only can bring substantial savings in energy costs, increase your home comfort, but also support the goals of the UK to reduce carbon emissions.
New boiler cost can vary widely, with the price influenced by several factors such as the type of boiler, the installation process, and available grants.
Average New Boiler Costs in the UK
The average new boiler cost in the UK ranges between £500 and £12,000 before installation. The final price will depend on the boiler type, its manufacturer, and how complex the installation process is.

Factors Affecting New Boiler Prices
When determining the new boiler cost, several factors play a key role:

Combi Boiler Costs
Combi boilers are used widely in the UK because they are small and self-generating that hot water whenever it is required. Prices for the combi boilers cost between £500 and £3,000 with installation charged between £1,500 and £4,500. A combi boiler installation is a comparatively faster and less invasive than many other boiler types because it does not need a water cylinder or a cold water storage tank.
System Boiler Costs
They also known as sealed system boilers, and are very suitable for homes with special need of high hot water usage. These boilers are used in conjunction with a hot water storage cylinder meaning always hot water in the house. The cost of a system boiler is within the range of £580 up to £3,500, and the installation fee can possibly go all the way up to £5,000.
Electric Boiler Costs
Electrics are now a popular alternative source of heating compared with the conventional electric boilers for homes that are not connected to the gas network. They are less destructive to the environment than the traditional storing and use of heat energy; the cost of an electric boiler is approximately between £590 and £ 2500 while the installation cost is between £2000 and £4000.
Grants and Schemes to Reduce New Boiler Costs
Thanks to various UK government initiatives, you could save a significant amount on your new boiler cost. Here are some of the main grants available:
- Energy Company Obligation (ECO4): This scheme offers support to homeowners and renters to improve their home’s energy efficiency. This includes free boiler upgrades, insulation, and other energy-saving measures.
- Boiler Upgrade Scheme (BUS): Homeowners in England and Wales can receive up to £5,000 off the cost of a biomass boiler or £7,500 off heat pumps (air source and ground source).
- 0% VAT: Certain energy-saving measures, including boilers, are eligible for zero percent VAT under current UK government rules.
- Nest Scheme (Wales) and Warmer Homes Scotland: These schemes provide grants for energy-efficient home upgrades, including boiler replacements, based on eligibility criteria.
The Cost of Combi Boiler Installation
Installing a combi boiler can range from £1,500 to £4,500. The exact combi boiler installation cost will depend on whether you are replacing a combi with a combi or upgrading from a different type of boiler, which may require additional work.
Boiler Manufacturers and Price Comparisons
The price of a new boiler varies significantly depending on the manufacturer. Here’s a look at the cost ranges for some of the top UK brands:

Additional Installation Costs
When installing a new boiler, some additional costs might arise, such as:
- Magnetic Filter: £100-£150
- Power Flush: £50-£150
- Flue Pipe: £50-£150
- Thermostatic Controls: £70-£650
The Environmental Impact of New Boilers
One of the biggest advantages of a new boiler is the potential of saving some carbon footprint. Energy efficient boilers installed today consume little fuel for producing the same amount of heat thereby reducing the emission of greenhouse gases. However, when combined with other ‘green measures’, such as cavity wall insulation, or solar thermal panels, the benefits of a new boiler can go a long way in improving a home’s energy performance.
Why Choose ByEco for Your New Boiler?
ByEco is thus an accredited partner of the UK government, and an endorsed company in providing renewable energy friendly installations and services including new boilers that suit your home design best. Thanks to different grants amongst which is ECO4, we are able to help you slash the cost of your new boiler and make your home more energy efficient.
Installing a new boiler is an investment in your home’s future. By taking advantage of government grants and ByEco's trusted installation services, you can make your home more eco-friendly and reduce your energy bills. Contact us today to learn more about how we can help you reduce your new boiler cost and optimise your home's heating system.
FAQs
Quick, Essential Answers
Yes, a like-for-like replacement is typically cheaper and easier.