From £17,372
Need an Extension Builder in Pill? P.D.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £16,700
Very reliable honest and hard working guarantee all work clean and tidy first class work
From £17,444
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,380
Relax... you have found a reliable extension builder in Pill. A M I Construction is a friendly and reliable company based in Pill who consider no j...
From £17,796
N J Laity & Son & Grandson's are here to help customers who need an Extension Builder in Pill. We offer a competitive rate to complete all your ext...
From £17,340
MOORLAND DESIGN & BUILD LTD are here to help customers who need an Extension Builder in Pill. We offer a competitive rate to complete all your exte...
From £17,228
Neil Causon & Son is an established and experienced local extension builder in Pill. Please contact us for a free, no obligation quote and competit...
From £17,324
Need an Extension Builder in Pill? Mucha Construcion has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
From £17,420
Relax... you have found a reliable extension builder in Pill. RD Pope Construction is a friendly and reliable company based in Pill who consider no...
From £17,116
Experienced extension builder ready to quote for your work. JA Building Maintenance is the best extension builder in Pill. No obligation free quote...

Underpinning ranges from £16,700 (A.Gaddarn Builders based in NP11) to £17,796 (N J Laity & Son & Grandson's based in BS10), 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 Pill by posting a job with HaMuch and we will send it to extension builders in Pill.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Newport | £41 | £233 |
| Underpin A Building near Cwmbran | £43 | £219 |
| Underpin A Building near Risca | £32 | £218 |
| Underpin A Building near Pontypool | £30 | £210 |
| Underpin A Building near Caerphilly | £33 | £208 |
| Underpin A Building near Cardiff | £34 | £219 |
| Underpin A Building near Clevedon | £32 | £243 |
| Underpin A Building near Portishead | £33 | £247 |
| Underpin A Building near Penarth | £35 | £218 |
| Underpin A Building near Church Village | £34 | £214 |
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 - £17,312

Two storey extension - £87,718

Build a timber frame extension - £25,812

Build a swimming pool - £80,812

Single storey extension - £51,240

Side return extension - £39,385

Install an RSJ - £2,012

Outbuilding - £9,812

Build a Mansard loft conversion - £51,812

Loft conversion - £31,988

Build a kitchen extension - £41,812

Hip to gable loft conversion - £41,812

Granny annexe - £86,812

Garden office - £9,812

Convert a Garage - £15,812

Garage - £18,312

Build a flat roof extension - £21,812

Build a dormer loft conversion - £41,812

Concrete foundations - £6,062

Convert a bungalow loft - £28,812

Convert a basement - £35,385