Need an Extension Builder in NP13? P.D.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
Experienced extension builder ready to quote for your work. Limitlesskitchens is the best extension builder in NP13. No obligation free quotes and ...
Need to find an Extension Builder near you for all your extension buildering work?
A B CONSTRUCTION provides a local, trusted extension bui...
From £17,108
Relax... you have found a reliable extension builder in NP13. HEDLYN BUILDING CONTRACTORS is a friendly and reliable company based in NP13 who con...

Underpinning ranges from £17,108 (HEDLYN BUILDING CONTRACTORS based in NP4) to £17,372 (P.D.Builders based in NP13), 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 NP13 by posting a job with HaMuch and we will send it to extension builders in NP13.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Pontypool | £30 | £210 |
| Underpin A Building near Ebbw Vale | £30 | £217 |
| Underpin A Building near Tredegar | £30 | £217 |
| Underpin A Building near Cwmbran | £43 | £219 |
| Underpin A Building near Risca | £32 | £218 |
| Underpin A Building near Merthyr Tydfil | £33 | £220 |
| Underpin A Building near Caerphilly | £33 | £208 |
| Underpin A Building near Newport | £41 | £233 |
| Underpin A Building near Pontypridd | £33 | £211 |
| Underpin A Building near Aberdare | £32 | £212 |
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 - £17,252

Two storey extension - £87,628

Build a timber frame extension - £25,752

Build a swimming pool - £80,752

Single storey extension - £50,040

Side return extension - £38,710

Install an RSJ - £1,952

Outbuilding - £9,752

Build a Mansard loft conversion - £51,752

Loft conversion - £31,425

Build a kitchen extension - £41,752

Hip to gable loft conversion - £41,752

Granny annexe - £86,752

Garden office - £9,752

Convert a Garage - £15,752

Garage - £18,252

Build a flat roof extension - £21,752

Build a dormer loft conversion - £41,752

Concrete foundations - £6,002

Convert a bungalow loft - £28,752

Convert a basement - £34,710