From £17,164
1980 are here to help customers who need an Extension Builder in DN7. We offer a competitive rate to complete all your extension buildering jobs to...
From £17,188
Lace Construction Ltd are here to help customers who need an Extension Builder in DN7. We offer a competitive rate to complete all your extension b...
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 £17,716
At Northfield General Builders Ltd we pride ourselves on being the go-to bathroom fitters for discerning customers in the Doncaster area.At...
From £17,476
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 DN7. PASUDA BUILDINGS LTD is a friendly and reliable company based in DN7 who consider no j...
From £17,452
PASUDA BUILDINGS LTD is an established and experienced local extension builder in DN7. Please contact us for a free, no obligation quote and compet...
From £17,500
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,348
NSB is a trusted extension builder serving customers in DN7 and the surrounding area. Contact us to today to get a competitive quote for extension ...
From £17,460
Ajf builddrs is a trusted extension builder serving customers in DN7 and the surrounding area. Contact us to today to get a competitive quote for e...

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 DN7 by posting a job with HaMuch and we will send it to extension builders in DN7.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Doncaster | £29 | £238 |
| Underpin A Building near Goole | £26 | £217 |
| Underpin A Building near Pontefract | £30 | £228 |
| Underpin A Building near Selby | £30 | £240 |
| Underpin A Building near Scunthorpe | £26 | £207 |
| Underpin A Building near Wickersley | £33 | £257 |
| Underpin A Building near Gainsborough | £30 | £234 |
| Underpin A Building near Bassetlaw | £31 | £243 |
| Underpin A Building near Castleford | £30 | £225 |
| 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 - £17,409

Two storey extension - £87,863

Build a timber frame extension - £25,909

Build a swimming pool - £80,909

Single storey extension - £53,176

Side return extension - £40,474

Install an RSJ - £2,109

Outbuilding - £9,909

Build a Mansard loft conversion - £51,909

Loft conversion - £32,895

Build a kitchen extension - £41,909

Hip to gable loft conversion - £41,909

Granny annexe - £86,909

Garden office - £9,909

Convert a Garage - £15,909

Garage - £18,409

Build a flat roof extension - £21,909

Build a dormer loft conversion - £41,909

Concrete foundations - £6,159

Convert a bungalow loft - £28,909

Convert a basement - £36,474