From £17,508
We are a family run business with 20 years experience.
We take great care and attention to the work we carry out and pride ourselves on ...
From £17,436
Dore Decor are a family run business with over 30 years experience - we offer an extensive range of building services and are able to provide a ful...
From £17,612
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,844
Trusted and professional extension builder in Conisbrough. Experienced in all extension buildering work and keeping within budget and on quote. AMB...
From £17,588
Hallamshire Paving is an established and experienced local extension builder in Conisbrough. Please contact us for a free, no obligation quote and ...
From £17,484
BP Builders are here to help customers who need an Extension Builder in Conisbrough. We offer a competitive rate to complete all your extension bui...
From £17,364
Trusted and professional extension builder in Conisbrough. Experienced in all extension buildering work and keeping within budget and on quote. MGG...
From £17,772
R.J Building Services is an established extension buildering business in Conisbrough. We come highly recommended and provide competitive quotes for...
From £17,324
Relax... you have found a reliable extension builder in Conisbrough. Foundation Building Services is a friendly and reliable company based in Conis...

Underpinning ranges from £16,788 (JON WINDLE CONSTRUCTION based in S17) to £17,844 (AMB Joinery & Building Services based in S8), 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 Conisbrough by posting a job with HaMuch and we will send it to extension builders in Conisbrough.
| 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 Barnsley | £31 | £242 |
| Underpin A Building near Sheffield | £32 | £261 |
| Underpin A Building near Worksop | £33 | £265 |
| Underpin A Building near Pontefract | £30 | £228 |
| Underpin A Building near Bassetlaw | £31 | £243 |
| Underpin A Building near Retford | £31 | £243 |
| Underpin A Building near Dronfield | £33 | £262 |
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 - £17,472

Two storey extension - £87,958

Build a timber frame extension - £25,972

Build a swimming pool - £80,972

Single storey extension - £54,440

Side return extension - £41,185

Install an RSJ - £2,172

Outbuilding - £9,972

Build a Mansard loft conversion - £51,972

Loft conversion - £33,488

Build a kitchen extension - £41,972

Hip to gable loft conversion - £41,972

Granny annexe - £86,972

Garden office - £9,972

Convert a Garage - £15,972

Garage - £18,472

Build a flat roof extension - £21,972

Build a dormer loft conversion - £41,972

Concrete foundations - £6,222

Convert a bungalow loft - £28,972

Convert a basement - £37,185