From £17,500
Wellingborough, NN8
Experienced extension builder ready to quote for your work. Home Ryte Construction is the best extension builder in Wellingborough. No obligation f...
From £18,892
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,484
Experienced extension builder ready to quote for your work. MINERAL STAR CONSTRUCTION LTD is the best extension builder in Wellingborough. No oblig...
From £17,460
Trusted and professional extension builder in Wellingborough. Experienced in all extension buildering work and keeping within budget and on quote. ...
From £17,124
Garden and Building Solutions is an established and experienced local extension builder in Wellingborough. Please contact us for a free, no obligat...
From £17,148
Need to find an Extension Builder near you for all your extension buildering work?
Shirley Ceramics provides a local, trusted extension bui...
From £17,540
Experienced extension builder ready to quote for your work. KMR CONSTRUCTION is the best extension builder in Wellingborough. No obligation free qu...
From £17,196
Experienced extension builder ready to quote for your work. L & D CONSTRUCTION SERVICE is the best extension builder in Wellingborough. No obligati...
From £17,044
Need to find an Extension Builder near you for all your extension buildering work?
A G Hicks Building Services provides a local, trusted ex...
From £17,412
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,044 (A G Hicks Building Services based in NN3) to £18,892 (STRANDOR ROOFING LTD based in NN6), 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 Wellingborough by posting a job with HaMuch and we will send it to extension builders in Wellingborough.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wellingborough | £39 | £251 |
| Underpin A Building near Rushden | £34 | £231 |
| Underpin A Building near Kettering | £34 | £237 |
| Underpin A Building near Northampton | £35 | £239 |
| Underpin A Building near Corby | £30 | £214 |
| Underpin A Building near Bedford | £45 | £278 |
| Underpin A Building near South Bedfordshire | £45 | £278 |
| Underpin A Building near Market Harborough | £31 | £217 |
| Underpin A Building near Kempston | £44 | £273 |
| Underpin A Building near Milton Keynes | £39 | £263 |
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 - £17,480

Two storey extension - £87,970

Build a timber frame extension - £25,980

Build a swimming pool - £80,980

Single storey extension - £54,600

Side return extension - £41,275

Install an RSJ - £2,180

Outbuilding - £9,980

Build a Mansard loft conversion - £51,980

Loft conversion - £33,563

Build a kitchen extension - £41,980

Hip to gable loft conversion - £41,980

Granny annexe - £86,980

Garden office - £9,980

Convert a Garage - £15,980

Garage - £18,480

Build a flat roof extension - £21,980

Build a dormer loft conversion - £41,980

Concrete foundations - £6,230

Convert a bungalow loft - £28,980

Convert a basement - £37,275