Range from the cheapest new boiler installation £922 (JR Boilers based in TW10) to the dearest boiler installation £1,300 (Chosen Plumbing and Heating based in SW18). To see prices and availability for your job click green button.
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From £1,943
Tom Rowe
Member since October 2026
Chosen Plumbing and Heating is a trusted, rated local plumbing and heating company serving South West London. With over 16 years' experience, we co...
AG-Renovation Ltd is a trusted heating engineer serving customers in Mortlake and the surrounding area. Contact us to today to get a competitive qu...
Brian Higgins
Need to find a Heating Engineer near you for all your heating engineering work?
B H Plumbing & Heating provides a local, trusted heating en...
Need to find a Heating Engineer near you for all your heating engineering work?
JR Boilers provides a local, trusted heating engineering se...
Experienced heating engineer ready to quote for your work. Cyclone Heating is the best heating engineer in Mortlake. No obligation free quotes and ...
Need the heating engineering job done quickly without breaking the bank? Gas Certify Ltd offer fast, reliable, and affordable heating engineering s...
Need a Heating Engineer in Mortlake? Central London Gas has been helping local clients (5 mile radius) with their heating engineering jobs for man...
T M Heating Engineers is an established and experienced local heating engineer in Mortlake. Please contact us for a free, no obligation quote and c...
Trusted and professional heating engineer in Mortlake. Experienced in all heating engineering work and keeping within budget and on quote. GB Plumb...
Trusted and professional heating engineer in Mortlake. Experienced in all heating engineering work and keeping within budget and on quote. Upperplu...
New combi boilers cost from around £650 to £2,500 depending on the manufacturer and kW output.
Comparing Mortlake 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 Mortlake.
*Prices are estimates based on the hourly or day rate of heating engineers in Mortlake, UK boiler offers and materials.
"New boiler installation" - PUTNEY, 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 - £1,247
Service a gas fire - £204
Replace a heating programmer - £223
Powerflush - £580 Visit
Heating oil tank installation - £1,270
Replace an oil boiler - £2,617
Install a new boiler - £1,637
Cost to move / relocate boiler - £1,079
Install heated skirting boards - £1,419
LPG boiler installation - £1,555
Install hydrogen boiler - £1,438
Install gas fire - £819
Install chimney liner - £546
Install biomass boiler - £5,379
Install a ground source heat pump - £15,206
Fix a boiler fault code - £136
Fit smart heating controls - £271
Fit a magnetic filter - £178
Fit a radiator - £200
Connect a gas cooker or hob - £216
Boiler service - £98
Boiler repair - £156
Boiler Insurance - £146 per month
Install an air source heat pump - £6,336
