Range from the cheapest replacement of an oil boiler £802 (E U Plumbing Ltd based in WD18) to the dearest replacement of an oil boiler £1,076 (Mizzon construction based in HA6).
Worcester Bosch Greenstar Heatslave II External 25/32 Combination Oil Boiler
From £2,582
Hert, WD3
Experienced heating engineer ready to quote for your work. Scott Maintenance Services Ltd is the best heating engineer in WD3. No obligation free q...
From £2,550
Gas Plus Heating Limited are here to help customers who need a Heating Engineer in WD3. We offer a competitive rate to complete all your heating en...
From £2,556
Rickmansworth, WD3
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...
From £2,670
Get a Heating Engineer in WD3 who you can trust. A Foster provide friendly and reliable heating engineering services to the WD3 area, covering a 10...
From £2,614
Rickmansworth, WD3
Timothy Stanford is a one-stop solution for all your heating engineering needs. Establish over 10 years ago and covering 10 miles around WD3 we pri...
From £2,526
Heat Tech Services Limited is an established and experienced local heating engineer in WD3. Please contact us for a free, no obligation quote and c...
From £2,660
Reliable and experienced heating engineers with competitive rates and good at keeping within budget. Happy to provide examples of heating engineeri...
From £2,500
Member since September 2025
Relax... you have found a reliable heating engineer in WD3. E U Plumbing Ltd is a friendly and reliable company based in WD3 who consider no job as...
From £2,774
Trusted and professional heating engineer in WD3. Experienced in all heating engineering work and keeping within budget and on quote. Mizzon constr...
From £2,518
Need a Heating Engineer in WD3? Gas Electricial Maintenance Services has been helping local clients (10 mile radius) with their heating engineering...
Selected new oil boilers cost from £1,700 to £4,600 and depend on the manufacturer and kW output.
Comparing heating engineers estimates for replacing an oil boiler gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to replace an oil boiler in WD3 by posting a job with HaMuch and we will send it to heating engineers in WD3.
*Prices are estimates based on the hourly or day rate of heating engineers in WD3, oil boiler offers and materials.
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 - £1,225
Service a gas fire - £207
Replace a heating programmer - £224
Powerflush - £587 Visit
Heating oil tank installation - £1,259
Replace an oil boiler - £2,595
Install a new boiler - £1,615
Cost to move / relocate boiler - £1,046
Install heated skirting boards - £1,397
LPG boiler installation - £1,533
Install hydrogen boiler - £1,394
Install gas fire - £808
Install chimney liner - £535
Install biomass boiler - £5,346
Install a ground source heat pump - £15,041
Fix a boiler fault code - £138
Fit smart heating controls - £273
Fit a magnetic filter - £180
Fit a radiator - £202
Connect a gas cooker or hob - £219
Boiler service - £99
Boiler repair - £158
Boiler Insurance - £148 per month
Install an air source heat pump - £6,314
