From £17,564
Experienced extension builder ready to quote for your work. west yorkshire plumbing and heating services ltd is the best extension builder in WF15....
From £17,436
Need an Extension Builder in WF15? Paragon Oak Ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
From £17,812
Jones Masonry Ltd is a trusted extension builder serving customers in WF15 and the surrounding area. Contact us to today to get a competitive quote...
From £17,436
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,540
Operating across Yorkshire and offering all joinery works to suit your needs, we can beat any genuine quote. Our commitment to craftsmanship ensure...
From £16,692
T & B Builders is an established extension buildering business in WF15. We come highly recommended and provide competitive quotes for your work.
From £17,364
DAVID HARRISON BUILDING are here to help customers who need an Extension Builder in WF15. We offer a competitive rate to complete all your extensio...
From £17,228
Experienced extension builder ready to quote for your work. L J Robson (Contracts) Ltd is the best extension builder in WF15. No obligation free qu...
From £17,228
STEVE BLAKELEY BUILDERS LTD are here to help customers who need an Extension Builder in WF15. We offer a competitive rate to complete all your exte...
From £17,508
Bee brand designs is a trusted extension builder serving customers in WF15 and the surrounding area. Contact us to today to get a competitive quote...

Underpinning ranges from £16,692 (T & B Builders based in WF17) to £17,812 (Jones Masonry Ltd based in BD19), 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 WF15 by posting a job with HaMuch and we will send it to extension builders in WF15.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Mirfield | £31 | £236 |
| Underpin A Building near Batley | £32 | £239 |
| Underpin A Building near Brighouse | £30 | £230 |
| Underpin A Building near Dewsbury | £33 | £245 |
| Underpin A Building near Morley | £31 | £239 |
| Underpin A Building near Ossett | £33 | £245 |
| Underpin A Building near Huddersfield | £29 | £224 |
| Underpin A Building near Bradford | £29 | £223 |
| Underpin A Building near Pudsey | £29 | £225 |
| Underpin A Building near Halifax | £32 | £243 |
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 - £17,381

Two storey extension - £87,821

Build a timber frame extension - £25,881

Build a swimming pool - £80,881

Single storey extension - £52,616

Side return extension - £40,159

Install an RSJ - £2,081

Outbuilding - £9,881

Build a Mansard loft conversion - £51,881

Loft conversion - £32,633

Build a kitchen extension - £41,881

Hip to gable loft conversion - £41,881

Granny annexe - £86,881

Garden office - £9,881

Convert a Garage - £15,881

Garage - £18,381

Build a flat roof extension - £21,881

Build a dormer loft conversion - £41,881

Concrete foundations - £6,131

Convert a bungalow loft - £28,881

Convert a basement - £36,159