From £17,540
Need an Extension Builder in RG14? Helyar Project Services Ltd has been helping local clients (20 mile radius) with their extension buildering jobs...
From £17,708
A Stanley Building Services is an established and experienced local extension builder in RG14. Please contact us for a free, no obligation quote an...
From £17,796
Fabric First Build Projects Ltd are here to help customers who need an Extension Builder in RG14. We offer a competitive rate to complete all your ...
From £17,652
Need to find an Extension Builder near you for all your extension buildering work?
Complete Building Services provides a local, trusted ext...
From £17,668
Relax... you have found a reliable extension builder in RG14. Total Home Improvements is a friendly and reliable company based in RG14 who consider...
From £17,532
Hartwood Oak Buildings Ltd. are here to help customers who need an Extension Builder in RG14. We offer a competitive rate to complete all your exte...
From £17,596
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,860
Our building services company ROK Construction who are family-run have thirty-years experience. We have been helping customers in Baughurst and the...
From £17,844
Trusted and professional extension builder in RG14. Experienced in all extension buildering work and keeping within budget and on quote. Bradfield ...
From £17,676
Need to find an Extension Builder near you for all your extension buildering work?
A4 BUILDING & RENOVATION LTD provides a local, trusted e...

Underpinning ranges from £17,532 (Hartwood Oak Buildings Ltd. based in RG20) to £17,860 (ROK Construction based in RG26), 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 RG14 by posting a job with HaMuch and we will send it to extension builders in RG14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Newbury | £37 | £262 |
| Underpin A Building near Thatcham | £38 | £266 |
| Underpin A Building near Basingstoke & Deane | £39 | £273 |
| Underpin A Building near Basingstoke | £39 | £274 |
| Underpin A Building near Didcot | £36 | £266 |
| Underpin A Building near Andover | £40 | £248 |
| Underpin A Building near Reading | £42 | £266 |
| Underpin A Building near Caversham | £38 | £266 |
| Underpin A Building near Vale of White Horse | £36 | £271 |
| Underpin A Building near Woodley | £42 | £267 |
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 - £17,687

Two storey extension - £88,281

Build a timber frame extension - £26,187

Build a swimming pool - £81,187

Single storey extension - £58,744

Side return extension - £43,606

Install an RSJ - £2,387

Outbuilding - £10,187

Build a Mansard loft conversion - £52,187

Loft conversion - £35,505

Build a kitchen extension - £42,187

Hip to gable loft conversion - £42,187

Granny annexe - £87,187

Garden office - £10,187

Convert a Garage - £16,187

Garage - £18,687

Build a flat roof extension - £22,187

Build a dormer loft conversion - £42,187

Concrete foundations - £6,437

Convert a bungalow loft - £29,187

Convert a basement - £39,606