Trusted and professional extension builder in S41. Experienced in all extension buildering work and keeping within budget and on quote. Merebrook C...
R.J Building Services is an established extension buildering business in S41. We come highly recommended and provide competitive quotes for your wo...
Here at AEC Building Services, we've been improving homes for local residential customers in Chesterfield, Derbyshire and surrounding areas since 1...
Need an Extension Builder in S41? D H Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
Camo Bear Construction is a local building contractor based in Wingerworth, Chesterfield. We cover many areas across Derbyshire, South Yorkshire an...
C ROWLEY (SELFBUILD) is an established and experienced local extension builder in S41. Please contact us for a free, no obligation quote and compet...
From £17,388
JWM Building Services is a trusted extension builder serving customers in S41 and the surrounding area. Contact us to today to get a competitive qu...
From £17,380
RJH Building Services is a trusted extension builder serving customers in S41 and the surrounding area. Contact us to today to get a competitive qu...
From £17,428
Relax... you have found a reliable extension builder in S41. Palace Roofline Ltd is a friendly and reliable company based in S41 who consider no jo...
From £17,868
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,356 (C ROWLEY (SELFBUILD) based in S43) to £17,868 (Compton Spares.com based in S41), 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 S41 by posting a job with HaMuch and we will send it to extension builders in S41.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Chesterfield | £33 | £257 |
| Underpin A Building near Dronfield | £33 | £262 |
| Underpin A Building near Sheffield | £32 | £261 |
| Underpin A Building near Alfreton | £34 | £261 |
| Underpin A Building near Sutton-in-Ashfield | £33 | £264 |
| Underpin A Building near Mansfield Woodhouse | £33 | £262 |
| Underpin A Building near Worksop | £33 | £265 |
| Underpin A Building near Kirkby-in-Ashfield | £34 | £269 |
| Underpin A Building near Ashfield | £34 | £269 |
| Underpin A Building near Mansfield | £33 | £261 |
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 - £17,540

Two storey extension - £88,060

Build a timber frame extension - £26,040

Build a swimming pool - £81,040

Single storey extension - £55,800

Side return extension - £41,950

Install an RSJ - £2,240

Outbuilding - £10,040

Build a Mansard loft conversion - £52,040

Loft conversion - £34,125

Build a kitchen extension - £42,040

Hip to gable loft conversion - £42,040

Granny annexe - £87,040

Garden office - £10,040

Convert a Garage - £16,040

Garage - £18,540

Build a flat roof extension - £22,040

Build a dormer loft conversion - £42,040

Concrete foundations - £6,290

Convert a bungalow loft - £29,040

Convert a basement - £37,950