Doncaster, DN6
Lace Construction Ltd are here to help customers who need an Extension Builder in Doncaster. We offer a competitive rate to complete all your exten...
Paul Mccreadie
doncaster, DN2
1980 are here to help customers who need an Extension Builder in Doncaster. We offer a competitive rate to complete all your extension buildering j...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Antony Foster
Doncaster, DN5
Ajf builddrs is a trusted extension builder serving customers in Doncaster and the surrounding area. Contact us to today to get a competitive quote...
At Northfield General Builders Ltd we pride ourselves on being the go-to bathroom fitters for discerning customers in the Doncaster area.At...
NSB is a trusted extension builder serving customers in Doncaster and the surrounding area. Contact us to today to get a competitive quote for exte...
From £17,636
Need an Extension Builder in Doncaster? Misura Limited has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £17,500
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,164 (1980 based in DN2) to £17,716 (Northfield General Builders Ltd based in DN2), 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 Doncaster by posting a job with HaMuch and we will send it to extension builders in Doncaster.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Doncaster | £29 | £238 |
| Underpin A Building near Wickersley | £32 | £258 |
| Underpin A Building near Rotherham | £32 | £257 |
| Underpin A Building near Pontefract | £30 | £228 |
| Underpin A Building near Bassetlaw | £31 | £243 |
| Underpin A Building near Barnsley | £31 | £242 |
| Underpin A Building near Goole | £26 | £217 |
| Underpin A Building near Retford | £31 | £243 |
| Underpin A Building near Worksop | £33 | £265 |
| Underpin A Building near Castleford | £30 | £225 |
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 - £17,457

Two storey extension - £87,936

Build a timber frame extension - £25,957

Build a swimming pool - £80,957

Single storey extension - £54,140

Side return extension - £41,016

Install an RSJ - £2,157

Outbuilding - £9,957

Build a Mansard loft conversion - £51,957

Loft conversion - £33,347

Build a kitchen extension - £41,957

Hip to gable loft conversion - £41,957

Granny annexe - £86,957

Garden office - £9,957

Convert a Garage - £15,957

Garage - £18,457

Build a flat roof extension - £21,957

Build a dormer loft conversion - £41,957

Concrete foundations - £6,207

Convert a bungalow loft - £28,957

Convert a basement - £37,016