Jamie Brant
Trusted and professional extension builder in RG26. Experienced in all extension buildering work and keeping within budget and on quote. Brant Buil...
Need to find an Extension Builder near you for all your extension buildering work?
M Warwick (Builders) provides a local, trusted extension...
From £17,948
Philip Wall
wall2wall construction limited is an established extension buildering business in RG26. We come highly recommended and provide competitive quotes ...
From £17,588
PIERDELL CONSTRUCTION is an established extension buildering business in RG26. We come highly recommended and provide competitive quotes for your w...
From £17,844
Trusted and professional extension builder in RG26. Experienced in all extension buildering work and keeping within budget and on quote. Bradfield ...
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...

Underpinning ranges from £17,588 (PIERDELL CONSTRUCTION based in RG7) to £17,948 (Wall2wall construction limited 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 RG26 by posting a job with HaMuch and we will send it to extension builders in RG26.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Basingstoke & Deane | £39 | £273 |
| Underpin A Building near Basingstoke | £39 | £274 |
| Underpin A Building near Thatcham | £38 | £266 |
| Underpin A Building near Reading | £42 | £266 |
| Underpin A Building near Newbury | £37 | £262 |
| Underpin A Building near Caversham | £38 | £265 |
| Underpin A Building near Woodley | £42 | £266 |
| Underpin A Building near Wokingham | £41 | £279 |
| Underpin A Building near Fleet | £41 | £270 |
| Underpin A Building near Sandhurst | £41 | £283 |
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 - £17,836

Two storey extension - £88,504

Build a timber frame extension - £26,336

Build a swimming pool - £81,336

Single storey extension - £61,720

Side return extension - £45,280

Install an RSJ - £2,536

Outbuilding - £10,336

Build a Mansard loft conversion - £52,336

Loft conversion - £36,900

Build a kitchen extension - £42,336

Hip to gable loft conversion - £42,336

Granny annexe - £87,336

Garden office - £10,336

Convert a Garage - £16,336

Garage - £18,836

Build a flat roof extension - £22,336

Build a dormer loft conversion - £42,336

Concrete foundations - £6,586

Convert a bungalow loft - £29,336

Convert a basement - £41,280