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Gas Mark 9
Gas Mark 9 prides in delivering an excellent heating service and value for money in London and the surrounding areas. Our goal is simple: quality ...
"Boiler service" - NW4, job posted 08/10/26
A&E Gas Ltd
With extensive heating experience, we provide reliable, high-quality workmanship at competitive prices. A&E Gas Ltd understands the importance of d...
"Fit or replace a vented hot water cylinder - Telford Indirect 105L Combination Copper Cylinder" - SW2, job posted 08/10/26
Range Mechanical Services Ltd
Get a Heating Engineer in London who you can trust. Range Mechanical Services Ltd provide friendly and reliable heating services to the London area...
"Fit or replace an unvented hot water cylinder - Gledhill SL Pro Indirect 250l Pre Plumbed Unvented Cylinder" - BRENT CROSS, job posted 08/10/26
Ablitt Gas Ltd
Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating work in L...
"Fit or replace an unvented hot water cylinder - Telford Tempest 250l Indirect Pre-Plumb Unvented Cylinder" - RUSH GREEN, job posted 08/10/26
Kew Gas ltd
Kew Gas
Kew Gas Ltd - Your Local Heating Specialists We're your trusted, family-focused heating & gas engineers based in Parsons Green. Fully Gas ...
"I need a new boiler please" - CR3, job posted 08/10/26
PC Heating
Fast response for all your heating needs around London
PC Heating are an established and experienced heating engineer...
"Install biomass boiler - Slim External Pellet Boiler 18 kW" - STREATHAM, job posted 08/10/26
Multivega+ Heating Services
Multivega+ Heating Services prides in delivering an excellent heating service and value for money in London and the surrounding areas. Our goal is...
"Install chimney liner - Flue Pipes - Flue Liner Kit for Wood and Multifuel Stoves" - ST ALBANS, job posted 08/10/26
Maximum Gas LTD
Get a Heating Engineer in London who you can trust. Maximum Gas LTD provide friendly and reliable heating services to the London area, covering a 1...
"Install chimney liner - Simply Stoves - Flue Liner 10m 6″ Diameter Stove Installation Pack" - ST ALBANS, job posted 08/10/26
Tara Heating Services Ltd
Experienced heating engineer ready to quote for your work. Tara Heating Services Ltd is the best heating engineer in London. No obligation free quo...
"Powerflush" - WALTHAMSTOW, job posted 08/10/26
Chosen Plumbing and Heating
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...
"Replace a hot water immersion heater - Tesla Long Life Incoloy Immersion Heater" - ALDGATE, job posted 08/10/26
Diamond Gas Ltd
Jakir Uddin
Gas, heating and plumbing services, including boiler installations, servicing and repairs, Vaillant and other leading boiler brands, gas safety che...
"Replace a hot water immersion heater - Tesla Long Life Incoloy Immersion Heater" - ST ALBANS, job posted 08/10/26
Lambert Heating & Renewables Ltd
Terry Lambert
Lambert Heating & Renewables Ltd is a Carshalton-based heating company providing boiler servicing, boiler repairs and fault finding, new boiler ins...
"Replace a hot water immersion heater - Tesla T-Smart Immersion Heater 350mm" - ALDGATE, job posted 08/10/26
24/7 Gas and Heating Services
Rod Goldson
24/7/365 Gas and Heating, plumbing Services: We undertake complete Gold standard domestic Gas, plumbing and central heating service, repairs a...
"Replace a hot water immersion heater - Tesla Titanium Immersion Heater Element 11"" - ALDGATE, job posted 08/10/26
J&J Building Solutions
Experienced heating engineer ready to quote for your work. J&J Building Solutions is the best heating engineer in London. No obligation free quotes...
"Fit a heated towel rail radiator - Lux Heat Open Flat Chrome Towel Radiator" - WATFORD, job posted 07/10/26
JM HEATING AND PLUMBING SERVICES LTD
Fast response for all your heating needs around London
JM HEATING AND PLUMBING SERVICES LTD are an established and ex...
"Fit or replace an unvented hot water cylinder - Joule Zenith Pre-Plumbed Cylinder" - EGHAM, job posted 07/10/26
Aspen Gas Limited
Need the heating job done quickly without breaking the bank? Aspen Gas Limited offer fast, reliable, and affordable heating services in London, del...
"Fit thermostatic radiator valves, Danfoss RAS-C2 - TERRIER WHITE / CHROME ANGLED TRV WITH LOCKSHIELD 15MM X ½"" - HARROW, job posted 07/10/26
Majestic Building Maintenance Ltd
If you are looking for a London heating engineer and you need something replaced, fitted, or fixed, contact Majestic Building Maintenance Ltd today...
"Fit underfloor heating - Polypipe Water Underfloor Heating - Standard Output 20m2" - EGHAM, job posted 07/10/26
East London Gas & Heating
Fast response for all your heating needs around London
East London Gas & Heating are an established and experienced h...
"Install a new boiler" - LONDON, job posted 07/10/26
Madyson Global Trade Ltd
Get a Heating Engineer in London who you can trust. Madyson Global Trade Ltd provide friendly and reliable heating services to the London area, cov...
"Install a new boiler - Worcester Bosch Greenstar 2000 25kW Combi Gas Boiler" - WHYTELEAFE, job posted 07/10/26
Allerco Plumbing and Heating
Wil Allers
All products supplied by us are covered by the manufacturer warranty/ guarantee. We will only use genuine products for all services we cov...
"Install an air source heat pump - Samsung 12kW Heat Pump" - MANOR PARK, job posted 07/10/26
Quickly find a Heating Engineer in London
Use these steps to find Heating Engineers in London for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Heating Engineers in London. We’ll notify you via text or email when a Heating Engineer is available to quote.
- Select your Heating Engineer: Compare Heating Engineers interested in working with you. You can use HaMuch to safely message local London Heating Engineers or phone them directly - you’re in control!
The most important thing is do avoid handing over cash or paying large sums in advance. Be wary of paying cash for a cheaper job, i.e. to avoid VAT, you may be going down a slippery slope of not doing things properly which may eventually mean your job is also not done properly.
Agree when you intend to pay, ideally after you are satisfied with the completed job. If it is a big job agree a schedule of staged payments which is fair to both parties.
To avoid bad tradespeople and to ensure you can find them should they not answer a mobile;
- Get proper contact details and check them yourself
- Check if the company is verified on the Companies House website
- Get phone details, ideally a land line or 0800 number and check it
- Get a physical office address
Get quotes in writing by email or in person if possible. Getting quotes online or by text is ok (make sure you accept the offer by replying). For large projects make a written agreement, schedule of works and snagging plans as part of a working document. Also;
- Agree expected quality of workmanship and materials in advance
- When will work start and when will project be finished, what happens if project over runs ?
- How long is the guarantee on work and materials eg 12 months
- Discuss onsite behaviour in advance (no smoking, swearing or using mobile phones for non-work purposes)
- Agree that your Heating Engineer will remove all debris and rubbish and what level of tidying up you want after job
Compare London heating engineers rates
Job estimates from heating engineers near you
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.

Boiler Insurance - £148 per month

Install heated skirting boards - £1,410

LPG boiler installation - £1,546

Install biomass boiler - £5,365

Install hydrogen boiler - £1,420

Install chimney liner - £541

Install gas fire - £814

Service a gas fire - £207

Cost to move / relocate boiler - £1,065

Fit a magnetic filter - £180

Connect a gas cooker or hob - £219

Replace an oil boiler - £2,608

Heating oil tank installation - £1,265

Install an air source heat pump - £6,327

Install a ground source heat pump - £15,138

Fit underfloor heating - £1,238

Fix a boiler fault code - £138

Powerflush - £586 Visit

Replace a heating programmer - £224

Fit smart heating controls - £273

Fit a radiator - £202

Boiler repair - £158

Boiler service - £99

Install a new boiler - £1,628
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