From £90
If you are looking for a Hertfordshire heating engineer and you need something replaced, fitted, or fixed, contact Nabi Gulam today. We are competi...
From £70
Fast response for all your heating engineering needs around Hertfordshire
Zack's Gas Engineering are an established a...
From £70
Fast response for all your heating engineering needs around Hertfordshire
PC Heating are an established and experienc...
From £70
Multivega+ Heating Services prides in delivering an excellent heating engineering service and value for money in Hertfordshire and the surrounding ...
From £2,628
Member since September 2026
If you are looking for a Hertfordshire heating engineer and you need something replaced, fitted, or fixed, contact Harshay Plumbing and Heating tod...
From £70
Fast response for all your heating engineering needs around Hertfordshire
JM HEATING AND PLUMBING SERVICES LTD are an...
From £70
If you are looking for a Hertfordshire heating engineer and you need something replaced, fitted, or fixed, contact Majestic Building Maintenance Lt...
From £70
Fast response for all your heating engineering needs around Hertfordshire
East London Gas & Heating are an establishe...
From £70
Get a Heating Engineer in Hertfordshire who you can trust. Madyson Global Trade Ltd provide friendly and reliable heating engineering services to t...
From £70
Relax... you have found a reliable heating engineer in Hertfordshire. Russell Heating Ltd is a friendly and reliable company based in Hertfordshire...

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 | £66 | £361 |
| Replace An Oil Boiler near Hatfield | £68 | £365 |
| Replace An Oil Boiler near Harpenden | £65 | £349 |
| Replace An Oil Boiler near Borehamwood | £66 | £348 |
| Replace An Oil Boiler near Welwyn Garden City | £66 | £364 |
| Replace An Oil Boiler near Hemel Hempstead | £65 | £344 |
| Replace An Oil Boiler near Potters Bar | £66 | £375 |
| Replace An Oil Boiler near Bushey | £67 | £343 |
| Replace An Oil Boiler near Dacorum | £66 | £344 |
| Replace An Oil Boiler near Watford | £67 | £346 |
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 - £1,416

Service a gas fire - £211

Replace a heating programmer - £225

Powerflush - £596 Visit

Heating oil tank installation - £1,354

Replace an oil boiler - £2,786

Install a new boiler - £1,806

Cost to move / relocate boiler - £1,333

Install heated skirting boards - £1,588

LPG boiler installation - £1,724

Install hydrogen boiler - £1,777

Install gas fire - £903

Install chimney liner - £630

Install biomass boiler - £5,633

Install a ground source heat pump - £16,476

Fix a boiler fault code - £141

Fit smart heating controls - £276

Fit a magnetic filter - £183

Fit a radiator - £205

Connect a gas cooker or hob - £223

Boiler service - £100

Boiler repair - £161

Boiler Insurance - £151 per month

Install an air source heat pump - £6,505