Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
MRE Maintenance Services is an established and experienced local extension builder in Stanwell. Please contact us for a free, no obligation quote a...
BeautifulRenovation are here to help customers who need an Extension Builder in Stanwell. We offer a competitive rate to complete all your extensio...
Experienced extension builder ready to quote for your work. Sherry Construction is the best extension builder in Stanwell. No obligation free quote...
EIC Builders Ltd are here to help customers who need an Extension Builder in Stanwell. We offer a competitive rate to complete all your extension b...
BDR Home Improvement are here to help customers who need an Extension Builder in Stanwell. We offer a competitive rate to complete all your extensi...
Dub Solutions is a trusted extension builder serving customers in Stanwell and the surrounding area. Contact us to today to get a competitive quote...
Hardeep Samra
MJ Builders (London) Ltd are here to help customers who need an Extension Builder in Stanwell. We offer a competitive rate to complete all your ext...
Jatinder Kahlon
Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...
Lee Townsend
Need to find an Extension Builder near you for all your extension buildering work?
Lp Townsend Brickwork provides a local, trusted extensio...

Underpinning ranges from £17,180 (Lp Townsend Brickwork based in SL2) to £17,908 (Brick House Builders Ltd based in TW13), 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 Stanwell by posting a job with HaMuch and we will send it to extension builders in Stanwell.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Staines-upon-Thames | £42 | £269 |
| Underpin A Building near Egham | £42 | £266 |
| Underpin A Building near Sunbury-on-Thames | £42 | £279 |
| Underpin A Building near Windsor & Maidenhead | £42 | £272 |
| Underpin A Building near Windsor | £41 | £271 |
| Underpin A Building near Slough | £42 | £272 |
| Underpin A Building near Hounslow | £43 | £281 |
| Underpin A Building near New Haw | £43 | £273 |
| Underpin A Building near Walton-on-Thames | £43 | £277 |
| Underpin A Building near Hillingdon | £63 | £276 |
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 - £17,582

Two storey extension - £88,122

Build a timber frame extension - £26,082

Build a swimming pool - £81,082

Single storey extension - £56,632

Side return extension - £42,418

Install an RSJ - £2,282

Outbuilding - £10,082

Build a Mansard loft conversion - £52,082

Loft conversion - £34,515

Build a kitchen extension - £42,082

Hip to gable loft conversion - £42,082

Granny annexe - £87,082

Garden office - £10,082

Convert a Garage - £16,082

Garage - £18,582

Build a flat roof extension - £22,082

Build a dormer loft conversion - £42,082

Concrete foundations - £6,332

Convert a bungalow loft - £29,082

Convert a basement - £38,418