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Gas Mark 9 prides in delivering an excellent heating engineering service and value for money in Denham 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...
Fast response for all your heating engineering needs around Denham
PC Heating are an established and experienced heat...
Gabriel Voinea
Experienced heating engineer ready to quote for your work. Plumber Expert is the best heating engineer in Denham. No obligation free quotes and man...
Experienced heating engineer ready to quote for your work. Tara Heating Services Ltd is the best heating engineer in Denham. No obligation free quo...
From £1,545
Mehdi Shala
Member since September 2025
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 ...
Joseph Jacob
Shelter Tech UK Ltd is an established heating engineering business in Denham. We come highly recommended and provide competitive quotes for your wo...
Leos Kennedy
Need to find a Heating Engineer near you for all your heating engineering work?
Gastrade provides a local, trusted heating engineering serv...
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...
Sonu Sarkaria
Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating engineeri...

New combi boilers cost from around £650 to £2,500 depending on the manufacturer and kW output.
Comparing Denham 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 Denham.
*Prices are estimates based on the hourly or day rate of heating engineers in Denham, UK boiler offers and materials.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install A New Boiler near Hillingdon | £64 | £329 |
| Install A New Boiler near Gerrards Cross | £69 | £367 |
| Install A New Boiler near Rickmansworth | £68 | £350 |
| Install A New Boiler near Watford | £67 | £346 |
| Install A New Boiler near Harrow | £67 | £343 |
| Install A New Boiler near Slough | £68 | £371 |
| Install A New Boiler near Bushey | £67 | £342 |
| Install A New Boiler near Windsor & Maidenhead | £69 | £369 |
| Install A New Boiler near Windsor | £69 | £372 |
| Install A New Boiler near Ealing | £71 | £370 |
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 - £1,273

Service a gas fire - £209

Replace a heating programmer - £225

Powerflush - £591 Visit

Heating oil tank installation - £1,282

Replace an oil boiler - £2,643

Install a new boiler - £1,663

Cost to move / relocate boiler - £1,117

Install heated skirting boards - £1,445

LPG boiler installation - £1,581

Install hydrogen boiler - £1,490

Install gas fire - £831

Install chimney liner - £558

Install biomass boiler - £5,417

Install a ground source heat pump - £15,399

Fix a boiler fault code - £139

Fit smart heating controls - £274

Fit a magnetic filter - £181

Fit a radiator - £203

Connect a gas cooker or hob - £221

Boiler service - £100

Boiler repair - £159

Boiler Insurance - £149 per month

Install an air source heat pump - £6,362