From £17,380
Home Hero is a trusted extension builder serving customers in S9 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 £17,684
Relax... you have found a reliable extension builder in S9. Correct Choice Windows & Doors Limited is a friendly and reliable company based in S9 w...
From £17,668
Milestone Builders is an established extension buildering business in S9. 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 S9. Please contact us for a free, no obligation quote and compet...
From £17,596
MRP Design And Build Limited is an established extension buildering business in S9. We come highly recommended and provide competitive quotes for y...
From £17,484
BP Builders are here to help customers who need an Extension Builder in S9. We offer a competitive rate to complete all your extension buildering j...
From £17,596
Trusted and professional extension builder in S9. Experienced in all extension buildering work and keeping within budget and on quote. urmum.co hav...
From £17,660
Need an Extension Builder in S9? Property Plus has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £18,892
Green Exteriors Ltd are here to help customers who need an Extension Builder in S9. We offer a competitive rate to complete all your extension buil...

Underpinning ranges from £17,380 (Home Hero based in S1) to £18,892 (Green Exteriors Ltd based in S60), 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 S9 by posting a job with HaMuch and we will send it to extension builders in S9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Sheffield | £30 | £246 |
| Underpin A Building near Rotherham | £29 | £226 |
| Underpin A Building near Wickersley | £29 | £224 |
| Underpin A Building near Dronfield | £31 | £253 |
| Underpin A Building near Barnsley | £27 | £210 |
| Underpin A Building near Chesterfield | £29 | £225 |
| Underpin A Building near Worksop | £29 | £233 |
| Underpin A Building near Doncaster | £26 | £208 |
| Underpin A Building near Mansfield Woodhouse | £29 | £227 |
| Underpin A Building near Bassetlaw | £28 | £214 |
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 - £17,743

Two storey extension - £88,365

Build a timber frame extension - £26,243

Build a swimming pool - £81,243

Single storey extension - £59,864

Side return extension - £44,236

Install an RSJ - £2,443

Outbuilding - £10,243

Build a Mansard loft conversion - £52,243

Loft conversion - £36,030

Build a kitchen extension - £42,243

Hip to gable loft conversion - £42,243

Granny annexe - £87,243

Garden office - £10,243

Convert a Garage - £16,243

Garage - £18,743

Build a flat roof extension - £22,243

Build a dormer loft conversion - £42,243

Concrete foundations - £6,493

Convert a bungalow loft - £29,243

Convert a basement - £40,236