Range from the cheapest replacement of an oil boiler £644 (JPF Heating based in AL4) to the dearest replacement of an oil boiler £1,200 (MAINTENANCE ONLINE LTD based in AL10).
From £2,842
A service with a difference. Priced competitively to replace an oil boiler and more.
From £2,584
If you need to replace an oil boiler use Priority Plumbers Ltd. Work is guarenteed and the cost won't hurt the pocket.
From £2,530
Baker Smith Ltd is an established company, providing a professional and tidy service.
From £2,342
Company Profile
JPF Heating, Gas & Plumbing specialise in the installation, servicing and repair of gas boilers and...
From £2,560
A service with a difference. Priced competitively to replace an oil boiler and more.
From £2,898
Member since June 2026
Monline Property Compliance is a professional compliance partner for landlords, letting agents, property managers and agencies across the UK. ...
From £2,580
A friendly heating engineer in Hertfordshire. Happy to provide references and a free quote to replace an oil boiler.
From £2,574
Hertfordshire, AL5
Often, it is hard to find a plumber near you, particularly in the case of an emergency. BH Plumbing And Heating has been providing...
From £2,404
Bob's Home Maintenance is an established company, providing a professional and tidy service.
From £2,530
You want to replace an oil boiler? No problem, O2 Plumbing & Heating Service Ltd is a reliable heating engineer with years of experience helping ho...
From £2,560
To replace an oil boiler in Hertfordshire we are a reliable and competitive heating engineer. Expert service guaranteed.
From £2,604
To replace an oil boiler in Hertfordshire we are a reliable and competitive heating engineer. Expert service guaranteed.
From £2,732
We are responsible and we try to do every job as best we can without exposing our customers to problems.
From £2,572
For all your needs. If you need to replace an oil boiler contact us today to get a no obligation free quote.
From £2,390
For all your needs. If you need to replace an oil boiler contact us today to get a no obligation free quote.
From £2,598
Need a replace an oil boiler? Simon Howard Plumbing & Heating is competitively priced and quick to quote.
From £2,640
Need a replace an oil boiler? A R Plumbing and Heating is competitively priced and quick to quote.
From £2,414
A service with a difference. Priced competitively to replace an oil boiler and more.
From £2,522
For all your needs. If you need to replace an oil boiler contact us today to get a no obligation free quote.
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 Hertfordshire by posting a job with HaMuch and we will send it to heating engineers in Hertfordshire.
*Prices are estimates based on the hourly or day rate of heating engineers in Hertfordshire, oil boiler offers and materials.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Replace An Oil Boiler near St Albans | £58 | £315 |
| Replace An Oil Boiler near Hatfield | £58 | £315 |
| Replace An Oil Boiler near Harpenden | £56 | £299 |
| Replace An Oil Boiler near Borehamwood | £58 | £305 |
| Replace An Oil Boiler near Welwyn Garden City | £58 | £317 |
| Replace An Oil Boiler near Hemel Hempstead | £57 | £299 |
| Replace An Oil Boiler near Potters Bar | £59 | £331 |
| Replace An Oil Boiler near Bushey | £59 | £300 |
| Replace An Oil Boiler near Dacorum | £57 | £299 |
| Replace An Oil Boiler near Watford | £59 | £303 |
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 - £1,188
Service a gas fire - £175
Replace a heating programmer - £213
Powerflush - £512 Visit
Heating oil tank installation - £1,240
Replace an oil boiler - £2,558
New boiler installation - £1,578
Install heated skirting boards - £1,360
LPG boiler installation - £1,496
Install hydrogen boiler - £1,320
Install gas fire - £789
Install chimney liner - £516
Install biomass boiler - £5,290
Install a ground source heat pump - £14,763
Fix a boiler fault code - £117
Fit smart heating controls - £252
Fit a magnetic filter - £159
Fit a radiator - £181
Connect a gas cooker or hob - £187
Boiler service - £88
Boiler repair - £137
Boiler Insurance - £5 per month
Install an air source heat pump - £6,277
