From £16,996
Trusted and professional extension builder in Ballyvelton. Experienced in all extension buildering work and keeping within budget and on quote. pur...
From £17,108
Need an Extension Builder in Ballyvelton? SF Carpentry has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £17,020
Luxury Garden Studios is an established and experienced local extension builder in Ballyvelton. Please contact us for a free, no obligation quote a...
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

Underpinning ranges from £16,932 (C McGurk Building Contractor based in BT44) to £17,108 (SF Carpentry based in BT51), 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 Ballyvelton by posting a job with HaMuch and we will send it to extension builders in Ballyvelton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Coleraine | £23 | £201 |
| Underpin A Building near Ballymoney | £21 | £187 |
| Underpin A Building near Dungiven | £22 | £190 |
| Underpin A Building near Londonderry | £24 | £190 |
| Underpin A Building near Strathfoyle | £24 | £190 |
| Underpin A Building near Magherafelt | £30 | £238 |
| Underpin A Building near Newbuildings | £24 | £190 |
| Underpin A Building near Ballyclare | £20 | £124 |
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 - £17,014

Two storey extension - £87,271

Build a timber frame extension - £25,514

Build a swimming pool - £80,514

Single storey extension - £45,280

Side return extension - £36,033

Install an RSJ - £1,714

Outbuilding - £9,514

Build a Mansard loft conversion - £51,514

Loft conversion - £29,194

Build a kitchen extension - £41,514

Hip to gable loft conversion - £41,514

Granny annexe - £86,514

Garden office - £9,514

Convert a Garage - £15,514

Garage - £18,014

Build a flat roof extension - £21,514

Build a dormer loft conversion - £41,514

Concrete foundations - £5,764

Convert a bungalow loft - £28,514

Convert a basement - £32,033