Gas Mark 9 prides in delivering an excellent heating engineering service and value for money in London and the surrounding areas. Our goal is simp...
With extensive heating engineering experience, we provide reliable, high-quality workmanship at competitive prices. A&E Gas Ltd understands the imp...
Get a Heating Engineer in London who you can trust. Range Mechanical Services Ltd provide friendly and reliable heating engineering services to the...
Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating engineeri...
Fast response for all your heating engineering needs around London
PC Heating are an established and experienced heat...
Multivega+ Heating Services prides in delivering an excellent heating engineering service and value for money in London and the surrounding areas. ...
Get a Heating Engineer in London who you can trust. Maximum Gas LTD provide friendly and reliable heating engineering services to the London area, ...
Dmitrii Melnic
At RenNovator LTD in Putney, London, our team have more than 15 years of exp...
Experienced heating engineer ready to quote for your work. Tara Heating Services Ltd is the best heating engineer in London. No obligation free quo...
Tom Rowe
Chosen Plumbing and Heating is a trusted, rated local plumbing and heating company serving South West London. With over 16 years' experience, we co...

Prices for the installation of unvented hot water cylinders like Megaflo in London range from the cheapest of £1,100 (A&E Gas Ltd based in UB1) to dearest of £2,500 (Multivega+ Heating Services based in SE1), but these are just estimates. Comparing heating engineers estimates gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get rates and quotes to install an unvented hot water cylinder in London by posting a job with HaMuch and we will send it to heating engineers in London.
"Fit or replace an unvented hot water cylinder" - LONDON, job posted 10/09/22
"Fit or replace BAXI boiler and MEGAFLOW on the ground floor kitchen. The current old floor-standing boiler is in the basement. (approx. 12m pipe run from the meter)" - EC1, job posted 08/04/23
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 - £1,418

Service a gas fire - £233

Replace a heating programmer - £233

Powerflush - £646 Visit

Heating oil tank installation - £1,355

Replace an oil boiler - £2,788

Install a new boiler - £1,808

Cost to move / relocate boiler - £1,335

Install heated skirting boards - £1,590

LPG boiler installation - £1,726

Install hydrogen boiler - £1,780

Install gas fire - £904

Install chimney liner - £631

Install biomass boiler - £5,635

Install a ground source heat pump - £16,490

Fix a boiler fault code - £155

Fit smart heating controls - £290

Fit a magnetic filter - £197

Fit a radiator - £219

Connect a gas cooker or hob - £245

Boiler service - £108

Boiler repair - £175

Boiler Insurance - £165 per month

Install an air source heat pump - £6,507