From £6,250
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in DN12 an...
From £6,210
Ajf builddrs is a trusted extension builder serving customers in DN12 and the surrounding area. Contact us to today to get a competitive quote for ...
From £6,090
Trusted and professional extension builder in DN12. Experienced in all work and keeping within budget and on quote. Britishbuildogs have many happ...
From £6,466
At Northfield General Builders Ltd we pride ourselves on being the go-to bathroom fitters for discerning customers in the Doncaster area.At...
From £6,130
Turner Roofing is an established and experienced local extension builder in DN12. Please contact us for a free, no obligation quote and competitive...
From £6,442
W Hall is an established and experienced local extension builder in DN12. Please contact us for a free, no obligation quote and competitive rates. ...
From £6,218
Relax... you have found a reliable extension builder in DN12. CS Construction & Conversions is a friendly and reliable company based in DN12 who co...
From £6,354
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in DN12 an...
From £6,394
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in DN12 an...
From £5,914
1980 are here to help customers who need an Extension Builder in DN12. We offer a competitive rate to complete all your jobs to professional stand...

Concrete foundations range from the £5,914 (1980 based in DN2) to £6,466 (Northfield General Builders Ltd based in DN2) in DN12.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in DN12 by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Concrete Foundations near Doncaster | £26 | £208 |
| Concrete Foundations near Wickersley | £29 | £224 |
| Concrete Foundations near Rotherham | £29 | £226 |
| Concrete Foundations near Barnsley | £27 | £210 |
| Concrete Foundations near Sheffield | £30 | £246 |
| Concrete Foundations near Worksop | £29 | £233 |
| Concrete Foundations near Pontefract | £26 | £202 |
| Concrete Foundations near Bassetlaw | £28 | £214 |
| Concrete Foundations near Retford | £28 | £214 |
| Concrete Foundations near Dronfield | £31 | £253 |
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 - £17,497

Two storey extension - £87,995

Build a timber frame extension - £25,997

Build a swimming pool - £80,997

Single storey extension - £54,936

Side return extension - £41,464

Install an RSJ - £2,197

Outbuilding - £9,997

Build a Mansard loft conversion - £51,997

Loft conversion - £33,720

Build a kitchen extension - £41,997

Hip to gable loft conversion - £41,997

Granny annexe - £86,997

Garden office - £9,997

Convert a Garage - £15,997

Garage - £18,497

Build a flat roof extension - £21,997

Build a dormer loft conversion - £41,997

Concrete foundations - £6,247

Convert a bungalow loft - £28,997

Convert a basement - £37,464