New boiler in W12 from £2,094*
Range from the cheapest new boiler installation £764 (Plumbrite123 based in W12) 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 £764 (Plumbrite123 based in W12) to the dearest boiler installation £1,182 (Checkmate Gas based in W12).
From £1,407
Dunstable, W12
Need to find a Heating Engineer near you for all your heating engineering work?
Plumbrite123 provides a local, trusted heating engineering ...
From £1,703
Warmello Property Services prides in delivering an excellent heating engineering service and value for money in W12 and the surrounding areas. Our...
From £1,693
I am very reliable, honest and trustworthy. I enjoy solving difficult problems. I have over 20 years plumbing and heating experience. No job too bi...
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 £1,571
Trusted and professional heating engineer in W12. Experienced in all heating engineering work and keeping within budget and on quote. Upperplumbers...
From £1,693
National Plumbers is a trusted heating engineer serving customers in W12 and the surrounding area. Contact us to today to get a competitive quote f...
From £1,545
Member since August 2026
London, W12
Davidplumbing co.ltd specialists leak repair and general plumbing no job too big or small
From £1,619
Staunch and Flow is a small, experienced, and cost-effective London-based plumbing/heating engineering firm. We specialise in kitchen and bathroom ...
From £1,635
Need to find a Heating Engineer near you for all your heating engineering work?
Action Services UK provides a local, trusted heating engine...
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...
New combi boilers cost from around £650 to £2,500 depending on the manufacturer and kW output.
Comparing W12 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 W12.
*Prices are estimates based on the hourly or day rate of heating engineers in W12, UK boiler offers and materials.
"New combi or system boiler installation – like for like replacement" - W3, 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 - £1,222
Service a gas fire - £207
Replace a heating programmer - £224
Powerflush - £585 Visit
Heating oil tank installation - £1,257
Replace an oil boiler - £2,592
Install a new boiler - £1,612
Cost to move / relocate boiler - £1,042
Install heated skirting boards - £1,394
LPG boiler installation - £1,530
Install hydrogen boiler - £1,389
Install gas fire - £806
Install chimney liner - £533
Install biomass boiler - £5,342
Install a ground source heat pump - £15,021
Fix a boiler fault code - £138
Fit smart heating controls - £273
Fit a magnetic filter - £180
Fit a radiator - £202
Connect a gas cooker or hob - £219
Boiler service - £99
Boiler repair - £158
Boiler Insurance - £148 per month
Install an air source heat pump - £6,311
