From £210
Get a Heating Engineer in London who you can trust. Range Mechanical Services Ltd provide friendly and reliable heating engineering services to the...
From £220
Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating engineeri...
From £210
Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating engineeri...
From £200
Fast response for all your heating engineering needs around London
PC Heating are an established and experienced heat...
From £160
Multivega+ Heating Services prides in delivering an excellent heating engineering service and value for money in London and the surrounding areas. ...
From £120
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 £210
Lambert Heating & Renewables Ltd is a Carshalton-based heating company providing boiler servicing, boiler repairs and fault finding, new boiler ins...
From £200
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 £154
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 £152
Fast response for all your heating engineering needs around London
JM HEATING AND PLUMBING SERVICES LTD are an establ...

Comparing gas heating engineer estimates for boiler repairs in London gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - If your boiler is playing up, quickly get rates and quotes for boiler repairs by clicking "Get quotes" to post your job to heating engineers in London
"Boiler repair Replace pressure reducing valve assembly and replacing boiler , woodwork repair to make good water damage" - LONDON, job posted 03/06/23
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