Lee Townsend
Need to find an Extension Builder near you for all your extension buildering work?
Lp Townsend Brickwork provides a local, trusted extensio...
BeautifulRenovation are here to help customers who need an Extension Builder in Gerrards Cross. We offer a competitive rate to complete all your ex...
MRE Maintenance Services is an established and experienced local extension builder in Gerrards Cross. Please contact us for a free, no obligation q...
BDR Home Improvement are here to help customers who need an Extension Builder in Gerrards Cross. We offer a competitive rate to complete all your e...
Experienced extension builder ready to quote for your work. Sherry Construction is the best extension builder in Gerrards Cross. No obligation free...
EIC Builders Ltd are here to help customers who need an Extension Builder in Gerrards Cross. We offer a competitive rate to complete all your exten...
HAMPTON CONSTRUCTION LTD are here to help customers who need an Extension Builder in Gerrards Cross. We offer a competitive rate to complete all yo...
Bill Matharu
Matharu Buildings is an established extension buildering business in Gerrards Cross. We come highly recommended and provide competitive quotes for ...
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Sharp Building Ltd is an established and experienced local extension builder in Gerrards Cross. Please contact us for a free, no obligation quote a...

Underpinning ranges from £17,180 (Lp Townsend Brickwork based in SL2) to £17,964 (AV Home Improvements based in WD19), 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 Gerrards Cross by posting a job with HaMuch and we will send it to extension builders in Gerrards Cross.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Gerrards Cross | £43 | £282 |
| Underpin A Building near Rickmansworth | £42 | £278 |
| Underpin A Building near Hillingdon | £63 | £276 |
| Underpin A Building near Slough | £42 | £272 |
| Underpin A Building near Watford | £43 | £278 |
| Underpin A Building near Hazlemere | £40 | £272 |
| Underpin A Building near Chesham | £42 | £277 |
| Underpin A Building near Windsor & Maidenhead | £42 | £272 |
| Underpin A Building near Windsor | £41 | £271 |
| Underpin A Building near Maidenhead | £41 | £273 |
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 - £17,633

Two storey extension - £88,199

Build a timber frame extension - £26,133

Build a swimming pool - £81,133

Single storey extension - £57,656

Side return extension - £42,994

Install an RSJ - £2,333

Outbuilding - £10,133

Build a Mansard loft conversion - £52,133

Loft conversion - £34,995

Build a kitchen extension - £42,133

Hip to gable loft conversion - £42,133

Granny annexe - £87,133

Garden office - £10,133

Convert a Garage - £16,133

Garage - £18,633

Build a flat roof extension - £22,133

Build a dormer loft conversion - £42,133

Concrete foundations - £6,383

Convert a bungalow loft - £29,133

Convert a basement - £38,994