Trusted and professional extension builder in S12. Experienced in all extension buildering work and keeping within budget and on quote. AMB Joinery...
Andrew Field
We are a family run business with 20 years experience.
We take great care and attention to the work we carry out and pride ourselves on ...
Dore Decor are a family run business with over 30 years experience - we offer an extensive range of building services and are able to provide a ful...
Trusted and professional extension builder in S12. Experienced in all extension buildering work and keeping within budget and on quote. MGG CONSTRU...
MRP Design And Build Limited is an established extension buildering business in S12. We come highly recommended and provide competitive quotes for ...
From £17,412
Oliver Wild Ltd is an established extension buildering business in S12. We come highly recommended and provide competitive quotes for your work.
From £17,668
Milestone Builders is an established extension buildering business in S12. We come highly recommended and provide competitive quotes for your work....
From £17,812
Whitshaw Builders LTD is an established and experienced local extension builder in S12. Please contact us for a free, no obligation quote and compe...
From £17,380
Home Hero is a trusted extension builder serving customers in S12 and the surrounding area. Contact us to today to get a competitive quote for exte...
From £17,660
Sheffield basedFamily run businessBuilt on recommendationFollow our journey

Underpinning ranges from £17,364 (MGG CONSTRUCTION LTD based in S21) to £17,844 (AMB Joinery & Building Services based in S8), 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 S12 by posting a job with HaMuch and we will send it to extension builders in S12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Sheffield | £32 | £261 |
| Underpin A Building near Dronfield | £33 | £262 |
| Underpin A Building near Rotherham | £33 | £257 |
| Underpin A Building near Wickersley | £33 | £257 |
| Underpin A Building near Chesterfield | £33 | £257 |
| Underpin A Building near Worksop | £33 | £265 |
| Underpin A Building near Barnsley | £31 | £242 |
| Underpin A Building near Mansfield Woodhouse | £33 | £262 |
| Underpin A Building near Sutton-in-Ashfield | £33 | £264 |
| Underpin A Building near Doncaster | £29 | £238 |
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 - £17,568

Two storey extension - £88,102

Build a timber frame extension - £26,068

Build a swimming pool - £81,068

Single storey extension - £56,360

Side return extension - £42,265

Install an RSJ - £2,268

Outbuilding - £10,068

Build a Mansard loft conversion - £52,068

Loft conversion - £34,388

Build a kitchen extension - £42,068

Hip to gable loft conversion - £42,068

Granny annexe - £87,068

Garden office - £10,068

Convert a Garage - £16,068

Garage - £18,568

Build a flat roof extension - £22,068

Build a dormer loft conversion - £42,068

Concrete foundations - £6,318

Convert a bungalow loft - £29,068

Convert a basement - £38,265