From £16,932
We have over 25 years experience in all building work and renowned for good workmanship All jobs small and large taken on
From £17,404
FJS CONTRACTS LTD are here to help customers who need an Extension Builder in Ahoghill. We offer a competitive rate to complete all your extension ...
From £17,516
Seamus Mcmullan building and joinery is an established extension buildering business in Ahoghill. We come highly recommended and provide competitiv...
From £16,796
Been in business as 18 years alway put clients first and never had any combacks
From £16,996
Trusted and professional extension builder in Ahoghill. Experienced in all extension buildering work and keeping within budget and on quote. purdy ...
From £17,108
Need an Extension Builder in Ahoghill? SF Carpentry has been helping local clients (20 mile radius) with their extension buildering jobs for many y...
From £16,876
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £16,796 (Oakmore Contracts based in BT45) to £17,516 (Seamus Mcmullan building and joinery based in BT45), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in Ahoghill by posting a job with HaMuch and we will send it to extension builders in Ahoghill.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Magherafelt | £30 | £238 |
| Underpin A Building near Ballyclare | £20 | £124 |
| Underpin A Building near Ballymoney | £21 | £187 |
| Underpin A Building near Crumlin | £26 | £194 |
| Underpin A Building near Coleraine | £23 | £201 |
| Underpin A Building near Larne | £15 | £122 |
| Underpin A Building near Dungiven | £22 | £190 |
| Underpin A Building near Greenisland | £23 | £153 |
| Underpin A Building near Carrickfergus | £23 | £158 |
| Underpin A Building near Belfast | £23 | £161 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,090

Two storey extension - £87,385

Build a timber frame extension - £25,590

Build a swimming pool - £80,590

Single storey extension - £46,794

Side return extension - £36,884

Install an RSJ - £1,790

Outbuilding - £9,590

Build a Mansard loft conversion - £51,590

Loft conversion - £29,904

Build a kitchen extension - £41,590

Hip to gable loft conversion - £41,590

Granny annexe - £86,590

Garden office - £9,590

Convert a Garage - £15,590

Garage - £18,090

Build a flat roof extension - £21,590

Build a dormer loft conversion - £41,590

Concrete foundations - £5,840

Convert a bungalow loft - £28,590

Convert a basement - £32,884