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Gas Mark 9
Gas Mark 9 prides in delivering an excellent heating service and value for money in Denham and the surrounding areas. Our goal is simple: quality ...
"Install biomass boiler - DEKi, Wood pellet boilers, biomass central heating and hot water 24kW" - GERRARDS CROSS, job posted 07/10/26
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...
"Install biomass boiler - Ondemak Castor Wood Pellet Boiler Viessmann 25kW" - GERRARDS CROSS, job posted 07/10/26
PC Heating
Fast response for all your heating needs around Denham
PC Heating are an established and experienced heating engineer...
"Boiler service" - HA6, job posted 18/09/26
Tara Heating Services Ltd
Experienced heating engineer ready to quote for your work. Tara Heating Services Ltd is the best heating engineer in Denham. No obligation free quo...
"Service a gas fire" - SL9, job posted 14/09/26
786 HEATSAFE SOLUTIONS
Zeshan Aziz
BROKEN BOILER? EXPENSIVE CALL OUTS? BEEN ADVISED A NEW BOILER AND YOUR STILL IN DOUBT THEN GIVE US A SHOUT!! Honest advise,reliable service, qualit...
"Fit smart heating controls - Nest 3rd Gen Wireless Smart Heating" - STOCKLEY PARK, job posted 28/08/26
C & C Plumbing & Heating
Fred Cummings
C & C Plumbing & Heating, an Uxbridge based company, that has been working in the industry for over thirty years and has been CORGI/Gas Safe regist...
"Fit or replace an unvented hot water cylinder - Heatrae Sadia Megaflo Eco Unvented Indirect Hot Water Cylinder - 145 Litre" - HILLINGDON, job posted 27/08/26
Gastrade
Leos Kennedy
Need to find a Heating Engineer near you for all your heating work?
Gastrade provides a local, trusted heating service in and around Denham...
"Replace a hot water immersion heater - Tesla Titanium Immersion Heater Element 27"" - UXBRIDGE, job posted 27/08/26
E U Plumbing Ltd
Mehdi Shala
Relax... you have found a reliable heating engineer in Denham. E U Plumbing Ltd is a friendly and reliable company based in Denham who consider no ...
"Fit a magnetic filter - FERNOX TF1 TOTAL FILTER 22MM" - STOCKLEY PARK, job posted 26/08/26
Timothy Stanford
Timothy Stanford is a one-stop solution for all your heating needs. Establish over 10 years ago and covering 10 miles around Denham we pride oursel...
"Install a new boiler - Worcester Bosch Greenstar 2000 25kW Combi Gas Boiler" - UXBRIDGE, job posted 26/08/26
Herts Emergency Plumbers 24/7 Ltd
Homeowners look no further if you want a qualified heating engineer to work in your home. Herts Emergency Plumbers 24/7 Ltd are tidy and neat, prov...
"Install chimney liner - Flames - Complete Flue Liner Kit for Wood" - STOCKLEY PARK, job posted 26/08/26
Paul Smith
Homeowners look no further if you want a qualified heating engineer to work in your home. Paul Smith are tidy and neat, providing a quality heating...
"Fit a radiator - Stelrad Column Horizontal Coloured 300 x 444" - UXBRIDGE, job posted 25/08/26
J Horwood Plumbing Limited
J Horwood Plumbing Limited is a one-stop solution for all your heating needs. Establish over 10 years ago and covering 10 miles around Denham we pr...
"Install an air source heat pump - Samsung 12kW Heat Pump" - STOCKLEY PARK, job posted 25/08/26
Barker Electrics
Barker Electrics is a trusted heating engineer serving customers in Denham and the surrounding area. Contact us to today to get a competitive quote...
"Install an air source heat pump - Samsung 16kW Air Source Heat Pump Kit" - STOCKLEY PARK, job posted 25/08/26
R Gas
Reg
Experienced heating engineer ready to quote for your work. R Gas is the best heating engineer in Denham. No obligation free quotes and many happy c...
"Install heated skirting boards - Thermaskirt E infrared radiant heating system (DECO BME) £50 per metre for medium room 3m2" - UXBRIDGE, job posted 25/08/26
N Q Plumbing & Heating
Homeowners look no further if you want a qualified heating engineer to work in your home. N Q Plumbing & Heating are tidy and neat, providing a qua...
"Do you offer an annual maintenance contract for my central heating? Currently with British Gas and the boiler is a Potterton Myson Ltd NETAHEAT PROFILE 60e. Thank you." - HA4, job posted 12/08/26
Eton Air Conditioning
Aaman Malik
Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating work in D...
"Hello, I need to address an F1 error code and boiler service. Availability Monday after 11am would be ideal. Or if available on Sunday tomorrow, even better! I need to resolve this before Wednesday ideally. Brand: Ideal Model: Logic Combi 33 This is a significant expense for me. Im on a..." - HA4, job posted 01/08/26
Mark Gale
Mark Gale
I'm a hard wrking, very experienced friendly family man. I work generally as a gas safe heating engineer, although I am Part P and city & guilds ...
"Need FULL heating system (radiator and boiler system) - no central heating 3 bed Simi detached house" - HA5, job posted 04/07/26
Elec&Gas Solutions Ltd
Laeeq Malik
Need a Heating Engineer in Denham? Elec&Gas Solutions Ltd has been helping local clients (20 mile radius) with their heating jobs for many years. G...
"Boiler service" - SL0, job posted 20/06/26
Brit Heating Solution
If you are looking for a Denham heating engineer and you need something replaced, fitted, or fixed, contact Brit Heating Solution today. We are com...
"Annual Boiler Service" - HA4, job posted 12/06/26
GasPower
D Hillon
GasPower is an established and experienced local heating engineer in Denham. Please contact us for a free, no obligation quote and competitive rate...
"Seeking lift engineers for maintenance, repairs, breakdown response, passenger lifts, goods lifts, disabled access platforms, escalators, and related systems. Ongoing maintenance opportunities available." - UB8, job posted 03/06/26
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 Denham heating engineers rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Heating Engineers near Hillingdon | £64 | £329 |
| Heating Engineers near Gerrards Cross | £69 | £367 |
| Heating Engineers near Rickmansworth | £68 | £351 |
| Heating Engineers near Watford | £67 | £346 |
| Heating Engineers near Harrow | £67 | £343 |
| Heating Engineers near Slough | £68 | £371 |
| Heating Engineers near Bushey | £67 | £343 |
| Heating Engineers near Windsor & Maidenhead | £68 | £369 |
| Heating Engineers near Windsor | £69 | £373 |
| Heating Engineers near Ealing | £71 | £370 |
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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