From £17,692
Relax... you have found a reliable extension builder in RH6. Stephen Building & Refurbishments is a friendly and reliable company based in RH6 who ...
From £17,876
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,652
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,972
Free estimate. 30 years experience. Work guaranteed for 2 years. References if required. Lots of returning customer. Problem solver.
From £17,684
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,772
Need to find an Extension Builder near you for all your extension buildering work?
DPP Construction (David Price Partnership) provides a lo...
From £17,484
Need to find an Extension Builder near you for all your extension buildering work?
Town & Country Landscape & Building Services provides a ...
From £17,380
J S Nisbet Loft Conversions are here to help customers who need an Extension Builder in RH6. We offer a competitive rate to complete all your exten...
From £17,428
Upright Construction Ltd is an established and experienced local extension builder in RH6. Please contact us for a free, no obligation quote and co...

Underpinning ranges from £17,380 (J S Nisbet Loft Conversions based in RH10) to £17,972 (All Round Property Maintenance based in RH6), 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 RH6 by posting a job with HaMuch and we will send it to extension builders in RH6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Horley | £35 | £234 |
| Underpin A Building near Crawley | £33 | £227 |
| Underpin A Building near Redhill | £36 | £236 |
| Underpin A Building near Reigate | £36 | £238 |
| Underpin A Building near East Grinstead | £32 | £220 |
| Underpin A Building near Reigate & Banstead | £36 | £235 |
| Underpin A Building near Caterham | £37 | £235 |
| Underpin A Building near Tadworth | £36 | £234 |
| Underpin A Building near Mid Sussex | £30 | £224 |
| Underpin A Building near Horsham | £32 | £226 |
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 - £17,649

Two storey extension - £88,223

Build a timber frame extension - £26,149

Build a swimming pool - £81,149

Single storey extension - £57,976

Side return extension - £43,174

Install an RSJ - £2,349

Outbuilding - £10,149

Build a Mansard loft conversion - £52,149

Loft conversion - £35,145

Build a kitchen extension - £42,149

Hip to gable loft conversion - £42,149

Granny annexe - £87,149

Garden office - £10,149

Convert a Garage - £16,149

Garage - £18,649

Build a flat roof extension - £22,149

Build a dormer loft conversion - £42,149

Concrete foundations - £6,399

Convert a bungalow loft - £29,149

Convert a basement - £39,174