From £17,076
Tekton Construction NW is an established extension buildering business in PR4. We come highly recommended and provide competitive quotes for your w...
From £17,212
Smedley Construction Ltd is a trusted extension builder serving customers in PR4 and the surrounding area. Contact us to today to get a competitive...
From £17,348
Relax... you have found a reliable extension builder in PR4. Green Generation Builders Ltd is a friendly and reliable company based in PR4 who cons...
From £17,044
Need to find an Extension Builder near you for all your extension buildering work?
Poulton Building & Joinery Services provides a local, tr...
From £16,972
Trusted and professional extension builder in PR4. Experienced in all extension buildering work and keeping within budget and on quote. Jones Lands...
From £17,132
Fishers Building & Paving Ltd is an established extension buildering business in PR4. We come highly recommended and provide competitive quotes for...
From £17,356
S.G. Joinery & Building is a well-established company setup over 15 years ago and working in the Poulton-le-Fylde , Preston ,Garstang and ...
From £17,220
Conway Construction Ltd is an established extension buildering business in PR4. We come highly recommended and provide competitive quotes for your ...
From £17,332
Need an Extension Builder in PR4? John Towers Builders has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £17,396
Need to find an Extension Builder near you for all your extension buildering work?
J.L Noblet provides a local, trusted extension builderin...

Underpinning ranges from £16,972 (Jones Landscaping based in L30) to £17,396 (J.L Noblet based in PR2), 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 PR4 by posting a job with HaMuch and we will send it to extension builders in PR4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Penwortham | £30 | £218 |
| Underpin A Building near Preston | £30 | £218 |
| Underpin A Building near Fulwood | £31 | £217 |
| Underpin A Building near Leyland | £30 | £223 |
| Underpin A Building near Bamber Bridge | £30 | £216 |
| Underpin A Building near Lytham St Annes | £28 | £206 |
| Underpin A Building near Blackpool | £29 | £209 |
| Underpin A Building near Thornton | £29 | £211 |
| Underpin A Building near Chorley | £30 | £221 |
| Underpin A Building near Southport | £27 | £198 |
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 - £17,209

Two storey extension - £87,563

Build a timber frame extension - £25,709

Build a swimming pool - £80,709

Single storey extension - £49,176

Side return extension - £38,224

Install an RSJ - £1,909

Outbuilding - £9,709

Build a Mansard loft conversion - £51,709

Loft conversion - £31,020

Build a kitchen extension - £41,709

Hip to gable loft conversion - £41,709

Granny annexe - £86,709

Garden office - £9,709

Convert a Garage - £15,709

Garage - £18,209

Build a flat roof extension - £21,709

Build a dormer loft conversion - £41,709

Concrete foundations - £5,959

Convert a bungalow loft - £28,709

Convert a basement - £34,224