From £17,756
Need to find an Extension Builder near you for all your extension buildering work?
Collier Roofing provides a local, trusted extension buil...
From £17,604
Need to find an Extension Builder near you for all your extension buildering work?
V & B FACILITIES & BUILDING provides a local, trusted ex...
From £17,484
Rial Build is an established and experienced local extension builder in Caterham. Please contact us for a free, no obligation quote and competitive...
From £17,716
We are a Collectiv of Architects, Engineers, Designers, Technically knowledgeable and time served professionals who have worked side-by-side with ...
From £17,804
Need an Extension Builder in Caterham? Ak Construction kasko group ltd has been helping local clients (10 mile radius) with their extension builde...
From £17,884
Lands Building is an established extension buildering business in Caterham. We come highly recommended and provide competitive quotes for your work...
From £17,604
Linea Home Design Ltd is an established and experienced local extension builder in Caterham. Please contact us for a free, no obligation quote and ...
From £17,908
Linea Home Design LTD is a Surrey based company with extensive knowledge and experience in design and refurbishments. Specialising in bathrooms, we...
From £17,988
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...
From £17,540
Need to find an Extension Builder near you for all your extension buildering work?
D.E.P Building Services Ltd provides a local, trusted ex...

Underpinning ranges from £17,484 (Rial Build based in CR3) to £17,988 (Prestige Building and Landscaping Ltd based in CR3), 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 Caterham by posting a job with HaMuch and we will send it to extension builders in Caterham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Caterham | £43 | £272 |
| Underpin A Building near Redhill | £41 | £269 |
| Underpin A Building near Reigate & Banstead | £41 | £271 |
| Underpin A Building near Reigate | £40 | £270 |
| Underpin A Building near Croydon | £43 | £267 |
| Underpin A Building near Tadworth | £41 | £271 |
| Underpin A Building near Sutton | £43 | £273 |
| Underpin A Building near Epsom | £43 | £274 |
| Underpin A Building near Horley | £38 | £258 |
| Underpin A Building near Ewell | £43 | £274 |
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 - £17,729

Two storey extension - £88,343

Build a timber frame extension - £26,229

Build a swimming pool - £81,229

Single storey extension - £59,576

Side return extension - £44,074

Install an RSJ - £2,429

Outbuilding - £10,229

Build a Mansard loft conversion - £52,229

Loft conversion - £35,895

Build a kitchen extension - £42,229

Hip to gable loft conversion - £42,229

Granny annexe - £87,229

Garden office - £10,229

Convert a Garage - £16,229

Garage - £18,729

Build a flat roof extension - £22,229

Build a dormer loft conversion - £42,229

Concrete foundations - £6,479

Convert a bungalow loft - £29,229

Convert a basement - £40,074