Range from the cheapest new boiler installation £700 (24/7 Gas and Heating Services based in CR4) to the dearest boiler installation £1,164 (Fine Arrow Ltd based in CR0). To see prices and availability for your job click green button.
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Allan Winslade
A & J Heating and Plumbing Ltd is an established heating engineering business in Thornton Heath. We come highly recommended and provide competitive...
From £1,343
Rod Goldson
Member since September 2026
24/7/365 Gas and Heating, plumbing Services: We undertake complete Gold standard domestic Gas, plumbing and central heating service, repairs a...
Experienced heating engineer ready to quote for your work. J&J Building Solutions is the best heating engineer in Thornton Heath. No obligation fre...
Richard Marks
Reliable plumber
City and guilds qualified
Gas safe registered
Over &nbs...
From £1,529
Greg Gibbs
Member since May 2025
Hi,we are a fair and honest company with years of experience in gas, heating and plumbing.Doing fault finding,servicing and all installation. W...
Jahron Williams
Trusted and professional heating engineer in Thornton Heath. Experienced in all heating engineering work and keeping within budget and on quote. J ...
Patrick Hennessy
P Hennessy is an established and experienced local heating engineer in Thornton Heath. Please contact us for a free, no obligation quote and compet...
Grant Cross
Grant Cross is an established and experienced local heating engineer in Thornton Heath. Please contact us for a free, no obligation quote and compe...
Des Thorpe
Experienced heating engineer ready to quote for your work. D Thorpe is the best heating engineer in Thornton Heath. No obligation free quotes and m...
Scott Thompson
We are an established plumbing and heating company with over 25 years gas experience.
All our work comes with lengthy guarantees.
New combi boilers cost from around £650 to £2,500 depending on the manufacturer and kW output.
Comparing Thornton Heath heating engineers estimates for combi or system boiler upgrade gives you a good idea of prices but the best way to compare costs is to get quotes.
What to do - Get boiler installation quotes by posting your job on HaMuch and we will send it to your local heating engineers in Thornton Heath.
*Prices are estimates based on the hourly or day rate of heating engineers in Thornton Heath, UK boiler offers and materials.
"New boiler installation: Vokera Easi-Heat i25 boiler with standard horizontal flue. Ground floor flat with side access where the flue extends to. My phone is not working at the moment but I can receive whatsapp messages or emails." - SE25, job posted 12/04/24
"New boiler installation" - CR0, job posted 01/01/70
With energy prices rising, it’s important to do all you can to keep your bills as low as possible. And if you’ve got an old boiler, it could be wasting your money. But how much will it set you back to replace your boiler? We’ve got the answer plus costs for other heating sources like ground and air source heat pumps in our cost guides.
Fit underfloor heating - £1,128
Service a gas fire - £224
Replace a heating programmer - £230
Powerflush - £625 Visit
Heating oil tank installation - £1,210
Replace an oil boiler - £2,498
Install a new boiler - £1,518
Install heated skirting boards - £1,300
LPG boiler installation - £1,436
Install hydrogen boiler - £1,200
Install gas fire - £759
Install chimney liner - £486
Install biomass boiler - £5,200
Install a ground source heat pump - £14,315
Fix a boiler fault code - £149
Fit smart heating controls - £284
Fit a magnetic filter - £191
Fit a radiator - £213
Connect a gas cooker or hob - £236
Boiler service - £105
Boiler repair - £169
Boiler Insurance - £159 per month
Install an air source heat pump - £6,217
