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 £17,460
Ajf builddrs is a trusted extension builder serving customers in DN5 and the surrounding area. Contact us to today to get a competitive quote for e...
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 £17,164
1980 are here to help customers who need an Extension Builder in DN5. 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 DN5. We offer a competitive rate to complete all your extension b...
From £17,348
NSB is a trusted extension builder serving customers in DN5 and the surrounding area. Contact us to today to get a competitive quote for extension ...
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 £17,340
DAVID LEAKE CONSTRUCTION LTD is an established and experienced local extension builder in DN5. Please contact us for a free, no obligation quote an...
From £17,340
Trusted and professional extension builder in DN5. Experienced in all extension buildering work and keeping within budget and on quote. Britishbuil...

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 DN5 by posting a job with HaMuch and we will send it to extension builders in DN5.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Doncaster | £29 | £238 |
| Underpin A Building near Wickersley | £33 | £257 |
| Underpin A Building near Rotherham | £33 | £257 |
| Underpin A Building near Pontefract | £30 | £228 |
| Underpin A Building near Barnsley | £31 | £242 |
| Underpin A Building near Castleford | £30 | £225 |
| Underpin A Building near Normanton | £30 | £233 |
| Underpin A Building near Goole | £26 | £217 |
| Underpin A Building near Bassetlaw | £31 | £243 |
| Underpin A Building near Sheffield | £34 | £280 |
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 - £17,418

Two storey extension - £87,876

Build a timber frame extension - £25,918

Build a swimming pool - £80,918

Single storey extension - £53,352

Side return extension - £40,573

Install an RSJ - £2,118

Outbuilding - £9,918

Build a Mansard loft conversion - £51,918

Loft conversion - £32,978

Build a kitchen extension - £41,918

Hip to gable loft conversion - £41,918

Granny annexe - £86,918

Garden office - £9,918

Convert a Garage - £15,918

Garage - £18,418

Build a flat roof extension - £21,918

Build a dormer loft conversion - £41,918

Concrete foundations - £6,168

Convert a bungalow loft - £28,918

Convert a basement - £36,573