From £17,604
NJ Berriman Building Contracto is an established and experienced local extension builder in GU30. Please contact us for a free, no obligation quote...
From £17,468
Experienced extension builder ready to quote for your work. HW&C CONSTRUCTION is the best extension builder in GU30. 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 £17,796
Urban build are here to help customers who need an Extension Builder in GU30. We offer a competitive rate to complete all your extension buildering...
From £17,468
Need an Extension Builder in GU30? Green Ridge Developments has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £18,332
Experienced extension builder ready to quote for your work. CANADA BUILDERS & ROOFING LTD is the best extension builder in GU30. No obligation free...
From £17,764
Experienced extension builder ready to quote for your work. Trad Roofing is the best extension builder in GU30. No obligation free quotes and many ...
From £17,476
Relax... you have found a reliable extension builder in GU30. Design & Construction Support Ltd is a friendly and reliable company based in GU30 wh...
From £17,388
Trusted and professional extension builder in GU30. Experienced in all extension buildering work and keeping within budget and on quote. M Way Buil...
From £17,788
Casa Garage Doors is an established extension buildering business in GU30. We come highly recommended and provide competitive quotes for your work....

Underpinning ranges from £17,388 (M Way Building Services based in GU33) 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 GU30 by posting a job with HaMuch and we will send it to extension builders in GU30.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near East Hampshire | £38 | £258 |
| Underpin A Building near Waverley | £68 | £313 |
| Underpin A Building near Farnham | £41 | £276 |
| Underpin A Building near Aldershot | £41 | £275 |
| Underpin A Building near Ash Vale | £41 | £277 |
| Underpin A Building near Fleet | £41 | £270 |
| Underpin A Building near Horndean | £35 | £253 |
| Underpin A Building near Guildford | £53 | £298 |
| Underpin A Building near Farnborough | £41 | £273 |
| Underpin A Building near Waterlooville | £36 | £250 |
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 - £17,661

Two storey extension - £88,241

Build a timber frame extension - £26,161

Build a swimming pool - £81,161

Single storey extension - £58,216

Side return extension - £43,309

Install an RSJ - £2,361

Outbuilding - £10,161

Build a Mansard loft conversion - £52,161

Loft conversion - £35,258

Build a kitchen extension - £42,161

Hip to gable loft conversion - £42,161

Granny annexe - £87,161

Garden office - £10,161

Convert a Garage - £16,161

Garage - £18,661

Build a flat roof extension - £22,161

Build a dormer loft conversion - £42,161

Concrete foundations - £6,411

Convert a bungalow loft - £29,161

Convert a basement - £39,309