From £17,588
Need an Extension Builder in Stone? DP Construction has been helping local clients (10 mile radius) with their extension buildering jobs for many y...
From £17,620
ForsBuild Construction Ltd is a trusted extension builder serving customers in Stone and the surrounding area. Contact us to today to get a competi...
From £17,364
HYDER CONSTRUCTION LTD is a trusted extension builder serving customers in Stone and the surrounding area. Contact us to today to get a competitive...
From £17,716
Need to find an Extension Builder near you for all your extension buildering work?
A Tutton Building Services Limited provides a local, tru...
From £17,772
L A CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Stone. We offer a competitive rate to complete all your extens...
From £17,820
ABAH Property Services Ltd is a trusted extension builder serving customers in Stone and the surrounding area. Contact us to today to get a competi...
From £17,628
Relax... you have found a reliable extension builder in Stone. JPRMS Ltd is a friendly and reliable company based in Stone who consider no job as t...
From £17,596
FLEX CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Stone. We offer a competitive rate to complete all your exten...
From £17,492
Warren Miller Building is an established extension buildering business in Stone. We come highly recommended and provide competitive quotes for your...
From £17,892
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,364 (HYDER CONSTRUCTION LTD based in DA11) to £17,892 (Amberly Builders based in DA1), 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 Stone by posting a job with HaMuch and we will send it to extension builders in Stone.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Dartford | £51 | £273 |
| Underpin A Building near Grays | £41 | £261 |
| Underpin A Building near Northfleet | £41 | £261 |
| Underpin A Building near Chafford Hundred | £41 | £261 |
| Underpin A Building near South Ockendon | £57 | £276 |
| Underpin A Building near Thurrock | £41 | £260 |
| Underpin A Building near Gravesend | £40 | £260 |
| Underpin A Building near Bexley | £41 | £265 |
| Underpin A Building near Stanford-le-Hope | £40 | £254 |
| Underpin A Building near Barking | £43 | £261 |
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 - £17,649

Two storey extension - £88,223

Build a timber frame extension - £26,149

Build a swimming pool - £81,149

Single storey extension - £57,976

Side return extension - £43,174

Install an RSJ - £2,349

Outbuilding - £10,149

Build a Mansard loft conversion - £52,149

Loft conversion - £35,145

Build a kitchen extension - £42,149

Hip to gable loft conversion - £42,149

Granny annexe - £87,149

Garden office - £10,149

Convert a Garage - £16,149

Garage - £18,649

Build a flat roof extension - £22,149

Build a dormer loft conversion - £42,149

Concrete foundations - £6,399

Convert a bungalow loft - £29,149

Convert a basement - £39,174