From £17,476
We are a successful company with many years experience in our trade. We can expertly provide consultation & solutions for various client requiremen...
From £17,140
Relax... you have found a reliable extension builder in DN9. PASUDA BUILDINGS LTD is a friendly and reliable company based in DN9 who consider no j...
From £17,452
PASUDA BUILDINGS LTD is an established and experienced local extension builder in DN9. Please contact us for a free, no obligation quote and compet...
From £17,140
C.L.Corfield Ltd are a well estblished (1963) family run business, who take great pride in providing a quality service. Our services over the years...
From £17,428
CRAIG PARR BUILDERS is an established extension buildering business in DN9. We come highly recommended and provide competitive quotes for your work...
From £17,164
1980 are here to help customers who need an Extension Builder in DN9. We offer a competitive rate to complete all your extension buildering jobs to...
From £17,716
At Northfield General Builders Ltd we pride ourselves on being the go-to bathroom fitters for discerning customers in the Doncaster area.At...
From £17,644
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,364
Trusted and professional extension builder in DN9. Experienced in all extension buildering work and keeping within budget and on quote. Gilman+Chil...
From £17,308
Relax... you have found a reliable extension builder in DN9. LFC Builders is a friendly and reliable company based in DN9 who consider no job as to...

Underpinning ranges from £17,140 (PASUDA BUILDINGS LTD based in DN8) 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 DN9 by posting a job with HaMuch and we will send it to extension builders in DN9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Gainsborough | £30 | £234 |
| Underpin A Building near Doncaster | £29 | £238 |
| Underpin A Building near Bassetlaw | £31 | £243 |
| Underpin A Building near Scunthorpe | £26 | £207 |
| Underpin A Building near Retford | £31 | £243 |
| Underpin A Building near Goole | £26 | £217 |
| Underpin A Building near North Lincolnshire | £28 | £216 |
| Underpin A Building near Wickersley | £33 | £257 |
| Underpin A Building near Worksop | £33 | £265 |
| Underpin A Building near Rotherham | £33 | £257 |
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 - £17,383

Two storey extension - £87,825

Build a timber frame extension - £25,883

Build a swimming pool - £80,883

Single storey extension - £52,664

Side return extension - £40,186

Install an RSJ - £2,083

Outbuilding - £9,883

Build a Mansard loft conversion - £51,883

Loft conversion - £32,655

Build a kitchen extension - £41,883

Hip to gable loft conversion - £41,883

Granny annexe - £86,883

Garden office - £9,883

Convert a Garage - £15,883

Garage - £18,383

Build a flat roof extension - £21,883

Build a dormer loft conversion - £41,883

Concrete foundations - £6,133

Convert a bungalow loft - £28,883

Convert a basement - £36,186