New boiler in London from £1,876*
Range from the cheapest new boiler installation £700 (24/7 Gas and Heating Services based in CR4) to the dearest boiler installation £2,300 (Multivega+ Heating Services based in SE1).
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Range from the cheapest new boiler installation £700 (24/7 Gas and Heating Services based in CR4) to the dearest boiler installation £2,300 (Multivega+ Heating Services based in SE1).
From £1,703
Get a Heating Engineer in London who you can trust. Range Mechanical Services Ltd provide friendly and reliable heating engineering services to the...
From £1,743
Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating engineeri...
From £2,523
Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating engineeri...
From £1,943
Fast response for all your heating engineering needs around London
PC Heating are an established and experienced heat...
From £2,943
Multivega+ Heating Services prides in delivering an excellent heating engineering service and value for money in London and the surrounding areas. ...
From £1,543
Get a Heating Engineer in London who you can trust. Maximum Gas LTD provide friendly and reliable heating engineering services to the London area, ...
From £2,443
Lambert Heating & Renewables Ltd is a Carshalton-based heating company providing boiler servicing, boiler repairs and fault finding, new boiler ins...
From £1,343
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...
From £1,637
Experienced heating engineer ready to quote for your work. J&J Building Solutions is the best heating engineer in London. No obligation free quotes...
From £1,675
Fast response for all your heating engineering needs around London
JM HEATING AND PLUMBING SERVICES LTD are an establ...
New combi boilers cost from around £650 to £2,500 depending on the manufacturer and kW output.
Comparing London 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 London.
*Prices are estimates based on the hourly or day rate of heating engineers in London, UK boiler offers and materials.
"New boiler installation" - LONDON, job posted 01/01/70
"Replacement old boiler" - SE1, 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 - £1,535
Service a gas fire - £245
Replace a heating programmer - £237
Powerflush - £676 Visit
Heating oil tank installation - £1,413
Replace an oil boiler - £2,905
Install a new boiler - £1,925
Cost to move / relocate boiler - £1,510
Install heated skirting boards - £1,707
LPG boiler installation - £1,843
Install hydrogen boiler - £2,013
Install gas fire - £962
Install chimney liner - £689
Install biomass boiler - £5,810
Install a ground source heat pump - £17,363
Fix a boiler fault code - £164
Fit smart heating controls - £299
Fit a magnetic filter - £206
Fit a radiator - £227
Connect a gas cooker or hob - £257
Boiler service - £112
Boiler repair - £184
Boiler Insurance - £174 per month
Install an air source heat pump - £6,624
