Replace an oil boiler in WD18 from £5,519*
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 £972 (A Foster based in WD3).
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HaMuch is Excellent
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 £972 (A Foster based in WD3).
From £2,500
Member since September 2025
Watford, WD18
Relax... you have found a reliable heating engineer in WD18. E U Plumbing Ltd is a friendly and reliable company based in WD18 who consider no job ...
From £2,654
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...
From £2,614
Timothy Stanford is a one-stop solution for all your heating engineering needs. Establish over 10 years ago and covering 10 miles around WD18 we pr...
From £2,522
Experienced heating engineer ready to quote for your work. Plumber Expert is the best heating engineer in WD18. No obligation free quotes and many ...
From £2,670
Get a Heating Engineer in WD18 who you can trust. A Foster provide friendly and reliable heating engineering services to the WD18 area, covering a ...
From £2,566
Flame Fx Ltd is a trusted heating engineer serving customers in WD18 and the surrounding area. Contact us to today to get a competitive quote for h...
From £2,638
Sustain Homes Limited is a trusted heating engineer serving customers in WD18 and the surrounding area. Contact us to today to get a competitive qu...
From £2,526
Trusted and professional heating engineer in WD18. Experienced in all heating engineering work and keeping within budget and on quote. Watford Heat...
From £2,592
Ayako Ltd is an established and experienced local heating engineer in WD18. Please contact us for a free, no obligation quote and competitive rates...
From £2,612
Trusted and professional heating engineer in WD18. Experienced in all heating engineering work and keeping within budget and on quote. Xpert Heatin...
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 WD18 by posting a job with HaMuch and we will send it to heating engineers in WD18.
*Prices are estimates based on the hourly or day rate of heating engineers in WD18, 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 - £1,219
Service a gas fire - £196
Replace a heating programmer - £220
Powerflush - £561 Visit
Heating oil tank installation - £1,256
Replace an oil boiler - £2,589
Install a new boiler - £1,609
Cost to move / relocate boiler - £1,037
Install heated skirting boards - £1,391
LPG boiler installation - £1,527
Install hydrogen boiler - £1,383
Install gas fire - £805
Install chimney liner - £532
Install biomass boiler - £5,337
Install a ground source heat pump - £14,999
Fix a boiler fault code - £131
Fit smart heating controls - £266
Fit a magnetic filter - £173
Fit a radiator - £195
Connect a gas cooker or hob - £208
Boiler service - £95
Boiler repair - £151
Boiler Insurance - £141 per month
Install an air source heat pump - £6,308
