From £17,412
Need an Extension Builder in S6? Trinity Building Services has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £17,372
Trusted and professional extension builder in S6. Experienced in all extension buildering work and keeping within budget and on quote. BUILDWISER h...
From £17,652
Trojan Turnarounds Ltd is a trusted extension builder serving customers in S6 and the surrounding area. Contact us to today to get a competitive qu...
From £17,484
BP Builders are here to help customers who need an Extension Builder in S6. We offer a competitive rate to complete all your extension buildering j...
From £17,604
R Graham & Family Home Improvements is a trusted extension builder serving customers in S6 and the surrounding area. Contact us to today to get a c...
From £17,380
Home Hero is a trusted extension builder serving customers in S6 and the surrounding area. Contact us to today to get a competitive quote for exten...
From £17,660
Sheffield basedFamily run businessBuilt on recommendationFollow our journey
From £17,756
Woodtec Joinery is an established extension buildering business in S6. We come highly recommended and provide competitive quotes for your work.
...From £17,668
Milestone Builders is an established extension buildering business in S6. 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 S6. Please contact us for a free, no obligation quote and compet...

Underpinning ranges from £17,372 (BUILDWISER based in S10) to £17,812 (Whitshaw Builders LTD based in S1), 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 S6 by posting a job with HaMuch and we will send it to extension builders in S6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Sheffield | £34 | £280 |
| Underpin A Building near Rotherham | £33 | £257 |
| Underpin A Building near Dronfield | £35 | £288 |
| Underpin A Building near Wickersley | £33 | £257 |
| Underpin A Building near Barnsley | £31 | £242 |
| Underpin A Building near Chesterfield | £33 | £257 |
| Underpin A Building near Worksop | £33 | £265 |
| Underpin A Building near Holmfirth | £30 | £232 |
| Underpin A Building near Doncaster | £29 | £238 |
| Underpin A Building near Kirklees | £30 | £231 |
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 - £17,580

Two storey extension - £88,120

Build a timber frame extension - £26,080

Build a swimming pool - £81,080

Single storey extension - £56,600

Side return extension - £42,400

Install an RSJ - £2,280

Outbuilding - £10,080

Build a Mansard loft conversion - £52,080

Loft conversion - £34,500

Build a kitchen extension - £42,080

Hip to gable loft conversion - £42,080

Granny annexe - £87,080

Garden office - £10,080

Convert a Garage - £16,080

Garage - £18,580

Build a flat roof extension - £22,080

Build a dormer loft conversion - £42,080

Concrete foundations - £6,330

Convert a bungalow loft - £29,080

Convert a basement - £38,400