Aerea is a trusted extension builder serving customers in Farnham and the surrounding area. Contact us to today to get a competitive quote for exte...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Holt Builders Ltd are here to help customers who need an Extension Builder in Farnham. We offer a competitive rate to complete all your extension b...
MARSHELS ROOFING CONTRCTS LTD is a trusted extension builder serving customers in Farnham and the surrounding area. Contact us to today to get a co...
Experienced extension builder ready to quote for your work. Betsworth Developments is the best extension builder in Farnham. No obligation free quo...
Primary Construction Ltd is an established and experienced local extension builder in Farnham. Please contact us for a free, no obligation quote an...
Experienced extension builder ready to quote for your work. ADW Roofing Services is the best extension builder in Farnham. No obligation free quote...
Need to find an Extension Builder near you for all your extension buildering work?
MPE Brickwork provides a local, trusted extension builde...
Ayling & Sons Roofing Ltd is an established and experienced local extension builder in Farnham. Please contact us for a free, no obligation quote a...
M B Building & Construction Ltd is a trusted extension builder serving customers in Farnham and the surrounding area. Contact us to today to get a ...

Underpinning ranges from £17,428 (Holt Builders Ltd based in GU12) to £17,956 (MARSHELS ROOFING CONTRCTS LTD based in GU10), 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 Farnham by posting a job with HaMuch and we will send it to extension builders in Farnham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Farnham | £41 | £276 |
| 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 | £272 |
| Underpin A Building near Waverley | £68 | £313 |
| Underpin A Building near Camberley | £41 | £282 |
| Underpin A Building near Sandhurst | £41 | £283 |
| Underpin A Building near Guildford | £53 | £298 |
| Underpin A Building near Woking | £43 | £277 |
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 - £17,665

Two storey extension - £88,247

Build a timber frame extension - £26,165

Build a swimming pool - £81,165

Single storey extension - £58,296

Side return extension - £43,354

Install an RSJ - £2,365

Outbuilding - £10,165

Build a Mansard loft conversion - £52,165

Loft conversion - £35,295

Build a kitchen extension - £42,165

Hip to gable loft conversion - £42,165

Granny annexe - £87,165

Garden office - £10,165

Convert a Garage - £16,165

Garage - £18,665

Build a flat roof extension - £22,165

Build a dormer loft conversion - £42,165

Concrete foundations - £6,415

Convert a bungalow loft - £29,165

Convert a basement - £39,354