New boiler in W3 from £3,155*
Range from the cheapest new boiler installation £884 (C H Westend based in W3) to the dearest boiler installation £1,182 (Checkmate Gas based in W12).
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HaMuch is Excellent
Range from the cheapest new boiler installation £884 (C H Westend based in W3) to the dearest boiler installation £1,182 (Checkmate Gas based in W12).
From £1,583
Acton, W3
Need to find a Heating Engineer near you for all your heating engineering work?
Gasworks London provides a local, trusted heating engineeri...
From £1,527
Need to find a Heating Engineer near you for all your heating engineering work?
C H Westend provides a local, trusted heating engineering s...
From £1,693
London, W3
National Plumbers is a trusted heating engineer serving customers in W3 and the surrounding area. Contact us to today to get a competitive quote fo...
From £1,683
Need to find a Heating Engineer near you for all your heating engineering work?
Gas Fitter provides a local, trusted heating engineering se...
From £1,825
Checkmate Gas are based in W12, we have over 10 years experience helping landlords, architects and home owners all over London with their h...
From £1,545
Member since August 2026
Davidplumbing co.ltd specialists leak repair and general plumbing no job too big or small
From £1,595
Experienced heating engineer ready to quote for your work. Bourne Plumbing & Heating is the best heating engineer in W3. No obligation free quotes ...
From £1,683
T M Heating Engineers is an established and experienced local heating engineer in W3. Please contact us for a free, no obligation quote and competi...
From £1,627
32 years of experience’s with in the heating and gas industries, installation of unvented hot water tanks, we always look f...
New combi boilers cost from around £650 to £2,500 depending on the manufacturer and kW output.
Comparing W3 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 W3.
*Prices are estimates based on the hourly or day rate of heating engineers in W3, UK boiler offers and materials.
"New combi or system boiler installation – like for like replacement" - W3, job posted 01/01/70
"New boiler installation" - W5, 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 - £1,174
Service a gas fire - £203
Replace a heating programmer - £223
Powerflush - £576 Visit
Heating oil tank installation - £1,233
Replace an oil boiler - £2,544
Install a new boiler - £1,564
Install heated skirting boards - £1,346
LPG boiler installation - £1,482
Install hydrogen boiler - £1,291
Install gas fire - £782
Install chimney liner - £509
Install biomass boiler - £5,268
Install a ground source heat pump - £14,655
Fix a boiler fault code - £135
Fit smart heating controls - £270
Fit a magnetic filter - £177
Fit a radiator - £199
Connect a gas cooker or hob - £215
Boiler service - £98
Boiler repair - £155
Boiler Insurance - £145 per month
Install an air source heat pump - £6,263
