From £16,972
Ascot Property Solutions Limited is an established and experienced local extension builder in Corby. Please contact us for a free, no obligation qu...
From £17,156
Corby, NN17
B GS GENERAL BUILDERS are here to help customers who need an Extension Builder in Corby. We offer a competitive rate to complete all your extension...
From £17,076
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,228
Experienced house builder. Eco structures from Denmark as well as conventional build. Extensions. Bathrooms. Kitchens and support steels when requi...
From £17,468
Relax... you have found a reliable extension builder in Corby. Jogga Construction is a friendly and reliable company based in Corby who consider no...
From £17,556
Kettering Mobile Sandblasting are here to help customers who need an Extension Builder in Corby. We offer a competitive rate to complete all your e...
From £17,260
Experienced extension builder ready to quote for your work. GARY TAYLOR BUILDERS LTD is the best extension builder in Corby. No obligation free quo...
From £17,372
I Plowright Brickwork is an established extension buildering business in Corby. We come highly recommended and provide competitive quotes for your ...
From £17,380
sunnyday foster home is an established and experienced local extension builder in Corby. Please contact us for a free, no obligation quote and comp...
From £17,844
Need to find an Extension Builder near you for all your extension buildering work?
shawproperty provides a local, trusted extension builder...

Underpinning ranges from £16,972 (Ascot Property Solutions Limited based in NN17) to £17,844 (Shawproperty based in PE8), 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 Corby by posting a job with HaMuch and we will send it to extension builders in Corby.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Corby | £30 | £214 |
| Underpin A Building near Kettering | £34 | £237 |
| Underpin A Building near Market Harborough | £31 | £217 |
| Underpin A Building near Wellingborough | £39 | £251 |
| Underpin A Building near Stamford | £35 | £248 |
| Underpin A Building near Rushden | £34 | £231 |
| Underpin A Building near Wigston | £28 | £214 |
| Underpin A Building near Hamilton | £29 | £216 |
| Underpin A Building near Peterborough | £42 | £280 |
| Underpin A Building near Oadby | £28 | £211 |
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 - £17,331

Two storey extension - £87,747

Build a timber frame extension - £25,831

Build a swimming pool - £80,831

Single storey extension - £51,624

Side return extension - £39,601

Install an RSJ - £2,031

Outbuilding - £9,831

Build a Mansard loft conversion - £51,831

Loft conversion - £32,168

Build a kitchen extension - £41,831

Hip to gable loft conversion - £41,831

Granny annexe - £86,831

Garden office - £9,831

Convert a Garage - £15,831

Garage - £18,331

Build a flat roof extension - £21,831

Build a dormer loft conversion - £41,831

Concrete foundations - £6,081

Convert a bungalow loft - £28,831

Convert a basement - £35,601