Range from the cheapest replacement of an oil boiler £620 (SM Plumbing & Heating based in BT7) to the dearest replacement of an oil boiler £820 (Jones Gas Services based in BT7).
From £2,330
Member since July 2026
Castlereagh, BT5
Fast response for all your heating engineering needs around Castlereagh
A K Services are an established and experienc...
From £2,498
Castlereagh, BT5
Need the heating engineering job done quickly without breaking the bank? Mark Vaudrey Heating Services offer fast, reliable, and affordable heating...
From £2,458
With extensive heating engineering experience, we provide reliable, high-quality workmanship at competitive prices. Refresh Property Solutions Ltd ...
From £2,442
If you are looking for a Castlereagh heating engineer and you need something replaced, fitted, or fixed, contact DG Gas Safety today. We are compet...
From £2,368
Approved heating engineer in Castlereagh, covering 20 miles.
Whatever heating engineering work you need, including emergency repairs, hire a...
From £2,510
LFF Management Ltd prides in delivering an excellent heating engineering service and value for money in Castlereagh and the surrounding areas. Our...
From £2,518
With extensive heating engineering experience, we provide reliable, high-quality workmanship at competitive prices. Jones Gas Services understands ...
From £2,318
Relax... you have found a reliable heating engineer in Castlereagh. SM Plumbing & Heating is a friendly and reliable company based in Castlereagh w...
From £2,416
Trusted and professional heating engineer in Castlereagh. Experienced in all heating engineering work and keeping within budget and on quote. B R G...
From £2,500
With extensive heating engineering experience, we provide reliable, high-quality workmanship at competitive prices. GM Energy Services understands ...
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 Castlereagh by posting a job with HaMuch and we will send it to heating engineers in Castlereagh.
*Prices are estimates based on the hourly or day rate of heating engineers in Castlereagh, oil boiler offers and materials.
"Replace an oil boiler" - BELFAST
"Replace an oil boiler - Mistral CBH7 Condensing Boiler House Heat Only Regular Oil Boiler 58-68kW" - BELFAST
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Replace An Oil Boiler near Belfast | £34 | £230 |
| Replace An Oil Boiler near Carryduff | £33 | £228 |
| Replace An Oil Boiler near Holywood | £36 | £260 |
| Replace An Oil Boiler near Comber | £40 | £360 |
| Replace An Oil Boiler near Ballygowan | £44 | £400 |
| Replace An Oil Boiler near Greenisland | £32 | £220 |
| Replace An Oil Boiler near Saintfield | £30 | £212 |
| Replace An Oil Boiler near Lisburn | £32 | £226 |
| Replace An Oil Boiler near Bangor | £35 | £259 |
| Replace An Oil Boiler near Bangor | £35 | £259 |
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 - £1,066
Service a gas fire - £118
Replace a heating programmer - £194
Powerflush - £378 Visit
Heating oil tank installation - £1,179
Replace an oil boiler - £2,436
Install a new boiler - £1,456
Install heated skirting boards - £1,238
LPG boiler installation - £1,374
Install hydrogen boiler - £1,076
Install gas fire - £728
Install chimney liner - £455
Install biomass boiler - £5,107
Install a ground source heat pump - £13,847
Fix a boiler fault code - £79
Fit smart heating controls - £214
Fit a magnetic filter - £121
Fit a radiator - £142
Connect a gas cooker or hob - £130
Boiler service - £69
Boiler repair - £99
Boiler Insurance - £89 per month
Install an air source heat pump - £6,155
