From £18,332
Experienced extension builder ready to quote for your work. CANADA BUILDERS & ROOFING LTD is the best extension builder in GU35. No obligation free...
From £17,468
Need an Extension Builder in GU35? Green Ridge Developments has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £17,580
Need an Extension Builder in GU35? A & J Roofing (Haslemere) Ltd has been helping local clients (20 mile radius) with their extension buildering jo...
From £17,604
Need to find an Extension Builder near you for all your extension buildering work?
360 CONSTRUCTION SURREY LTD provides a local, trusted ex...
From £17,764
Experienced extension builder ready to quote for your work. Trad Roofing is the best extension builder in GU35. No obligation free quotes and many ...
From £17,468
Experienced extension builder ready to quote for your work. HW&C CONSTRUCTION is the best extension builder in GU35. No obligation free quotes and ...
From £17,524
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,476
Relax... you have found a reliable extension builder in GU35. Design & Construction Support Ltd is a friendly and reliable company based in GU35 wh...
From £17,604
NJ Berriman Building Contracto is an established and experienced local extension builder in GU35. Please contact us for a free, no obligation quote...

Underpinning ranges from £17,468 (Green Ridge Developments based in GU35) to £18,332 (CANADA BUILDERS & ROOFING LTD based in GU35), 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 GU35 by posting a job with HaMuch and we will send it to extension builders in GU35.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near East Hampshire | £38 | £258 |
| Underpin A Building near Farnham | £41 | £276 |
| Underpin A Building near Waverley | £68 | £313 |
| Underpin A Building near Aldershot | £41 | £275 |
| Underpin A Building near Fleet | £41 | £270 |
| Underpin A Building near Ash Vale | £41 | £277 |
| Underpin A Building near Farnborough | £41 | £273 |
| Underpin A Building near Guildford | £53 | £298 |
| Underpin A Building near Basingstoke | £39 | £274 |
| Underpin A Building near Camberley | £41 | £283 |
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 - £17,639

Two storey extension - £88,209

Build a timber frame extension - £26,139

Build a swimming pool - £81,139

Single storey extension - £57,784

Side return extension - £43,066

Install an RSJ - £2,339

Outbuilding - £10,139

Build a Mansard loft conversion - £52,139

Loft conversion - £35,055

Build a kitchen extension - £42,139

Hip to gable loft conversion - £42,139

Granny annexe - £87,139

Garden office - £10,139

Convert a Garage - £16,139

Garage - £18,639

Build a flat roof extension - £22,139

Build a dormer loft conversion - £42,139

Concrete foundations - £6,389

Convert a bungalow loft - £29,139

Convert a basement - £39,066