From £17,404
FJS CONTRACTS LTD are here to help customers who need an Extension Builder in Limavady. 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 Limavady. We come highly recommended and provide competitiv...
From £17,020
Luxury Garden Studios is an established and experienced local extension builder in Limavady. Please contact us for a free, no obligation quote and ...
From £17,108
Need an Extension Builder in Limavady? SF Carpentry has been helping local clients (20 mile radius) with their extension buildering jobs for many y...
From £17,196
Relax... you have found a reliable extension builder in Limavady. JAMSE CONSTRUCTION LTD is a friendly and reliable company based in Limavady who c...
From £17,132
Taggart Homes - The Designer Builder are here to help customers who need an Extension Builder in Limavady. We offer a competitive rate to complete ...
From £16,996
Trusted and professional extension builder in Limavady. Experienced in all extension buildering work and keeping within budget and on quote. purdy ...

Underpinning ranges from £16,996 (Purdy build based in bt53) 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 Limavady by posting a job with HaMuch and we will send it to extension builders in Limavady.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Dungiven | £22 | £190 |
| Underpin A Building near Eglinton | £25 | £204 |
| Underpin A Building near Coleraine | £23 | £201 |
| Underpin A Building near Londonderry | £24 | £190 |
| Underpin A Building near Strathfoyle | £24 | £190 |
| Underpin A Building near Culmore | £24 | £190 |
| Underpin A Building near Newbuildings | £24 | £190 |
| Underpin A Building near Ballymoney | £21 | £187 |
| Underpin A Building near Magherafelt | £30 | £238 |
| Underpin A Building near Strabane | £27 | £223 |
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 - £17,196

Two storey extension - £87,544

Build a timber frame extension - £25,696

Build a swimming pool - £80,696

Single storey extension - £48,920

Side return extension - £38,080

Install an RSJ - £1,896

Outbuilding - £9,696

Build a Mansard loft conversion - £51,696

Loft conversion - £30,900

Build a kitchen extension - £41,696

Hip to gable loft conversion - £41,696

Granny annexe - £86,696

Garden office - £9,696

Convert a Garage - £15,696

Garage - £18,196

Build a flat roof extension - £21,696

Build a dormer loft conversion - £41,696

Concrete foundations - £5,946

Convert a bungalow loft - £28,696

Convert a basement - £34,080