Maidenhead, SL6
Experienced extension builder ready to quote for your work. A South View is the best extension builder in Maidenhead. No obligation free quotes and...
MRE Maintenance Services is an established and experienced local extension builder in Maidenhead. Please contact us for a free, no obligation quote...
BeautifulRenovation are here to help customers who need an Extension Builder in Maidenhead. We offer a competitive rate to complete all your extens...
Relax... you have found a reliable extension builder in Maidenhead. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in Maide...
EIC Builders Ltd are here to help customers who need an Extension Builder in Maidenhead. We offer a competitive rate to complete all your extension...
Experienced extension builder ready to quote for your work. Sherry Construction is the best extension builder in Maidenhead. No obligation free quo...
Dub Solutions is a trusted extension builder serving customers in Maidenhead and the surrounding area. Contact us to today to get a competitive quo...
BDR Home Improvement are here to help customers who need an Extension Builder in Maidenhead. We offer a competitive rate to complete all your exten...
Lee Townsend
Need to find an Extension Builder near you for all your extension buildering work?
Lp Townsend Brickwork provides a local, trusted extensio...
Maidenhead, SL6
B.A Ruffle Building Contractor is an established extension buildering business in Maidenhead. We come highly recommended and provide competitive qu...

Underpinning ranges from £17,180 (Lp Townsend Brickwork based in SL2) to £17,780 (ABC Associates STRUCTURES 4 U based in SL7), 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 Maidenhead by posting a job with HaMuch and we will send it to extension builders in Maidenhead.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Maidenhead | £41 | £273 |
| Underpin A Building near Windsor | £41 | £271 |
| Underpin A Building near Windsor & Maidenhead | £42 | £272 |
| Underpin A Building near Slough | £42 | £272 |
| Underpin A Building near High Wycombe | £39 | £272 |
| Underpin A Building near Bracknell Forest | £41 | £287 |
| Underpin A Building near Bracknell | £41 | £285 |
| Underpin A Building near Ascot | £41 | £276 |
| Underpin A Building near Wycombe | £40 | £271 |
| Underpin A Building near Gerrards Cross | £43 | £282 |
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 - £17,550

Two storey extension - £88,076

Build a timber frame extension - £26,050

Build a swimming pool - £81,050

Single storey extension - £56,008

Side return extension - £42,067

Install an RSJ - £2,250

Outbuilding - £10,050

Build a Mansard loft conversion - £52,050

Loft conversion - £34,223

Build a kitchen extension - £42,050

Hip to gable loft conversion - £42,050

Granny annexe - £87,050

Garden office - £10,050

Convert a Garage - £16,050

Garage - £18,550

Build a flat roof extension - £22,050

Build a dormer loft conversion - £42,050

Concrete foundations - £6,300

Convert a bungalow loft - £29,050

Convert a basement - £38,067