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Select your affordable Abergavenny extension builder
Need an Extension Builder in Abergavenny? P.D.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for man...
Experienced extension builder ready to quote for your work. Limitlesskitchens is the best extension builder in Abergavenny. No obligation free quot...
Need to find an Extension Builder near you for all your extension buildering work?
A B CONSTRUCTION provides a local, trusted extension bui...
OWEN BROTHERS CONSTRUCTION LTD are here to help customers who need an Extension Builder in Abergavenny. We offer a competitive rate to complete all...

Underpinning ranges from £17,228 (Limitlesskitchens based in NP13) 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 Abergavenny by posting a job with HaMuch and we will send it to extension builders in Abergavenny.
| 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 Newport | £41 | £233 |
| Underpin A Building near Caerphilly | £33 | £208 |
| Underpin A Building near Aberdare | £32 | £212 |
| Underpin A Building near Pontypridd | £33 | £211 |
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 - £17,284

Two storey extension - £87,676

Build a timber frame extension - £25,784

Build a swimming pool - £80,784

Single storey extension - £50,680

Side return extension - £39,070

Install an RSJ - £1,984

Outbuilding - £9,784

Build a Mansard loft conversion - £51,784

Loft conversion - £31,725

Build a kitchen extension - £41,784

Hip to gable loft conversion - £41,784

Granny annexe - £86,784

Garden office - £9,784

Convert a Garage - £15,784

Garage - £18,284

Build a flat roof extension - £21,784

Build a dormer loft conversion - £41,784

Concrete foundations - £6,034

Convert a bungalow loft - £28,784

Convert a basement - £35,070