From £17,652
Trusted and professional extension builder in Ashington. Experienced in all extension buildering work and keeping within budget and on quote. Green...
From £17,612
Relax... you have found a reliable extension builder in Ashington. Gdt builders is a friendly and reliable company based in Ashington who consider ...
From £17,220
Relax... you have found a reliable extension builder in Ashington. J3 BUILDING SOLUTIONS LTD is a friendly and reliable company based in Ashington ...
From £18,380
Experienced extension builder ready to quote for your work. Premier Preservations Ltd is the best extension builder in Ashington. No obligation fre...
From £17,980
Arrowhead Construction is a trusted extension builder serving customers in Ashington and the surrounding area. Contact us to today to get a competi...
From £17,652
We cover all of your building needs from house conversions, extensions, kitchens, bathrooms, room design, bespoke features and much more.Contact us...
From £17,284
Trusted and professional extension builder in Ashington. Experienced in all extension buildering work and keeping within budget and on quote. DGS P...
From £17,644
North East Contractors Ltd are here to help customers who need an Extension Builder in Ashington. We offer a competitive rate to complete all your ...
From £17,844
Trusted and professional extension builder in Ashington. Experienced in all extension buildering work and keeping within budget and on quote. Smail...
From £17,924
Need an Extension Builder in Ashington? K B Surveying has been helping local clients (20 mile radius) with their extension buildering jobs for many...

Underpinning ranges from £17,220 (J3 BUILDING SOLUTIONS LTD based in NE61) to £18,380 (Premier Preservations Ltd based in NE23), 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 Ashington by posting a job with HaMuch and we will send it to extension builders in Ashington.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Ashington | £44 | £280 |
| Underpin A Building near Blyth | £42 | £288 |
| Underpin A Building near Cramlington | £36 | £256 |
| Underpin A Building near Whitley Bay | £38 | £268 |
| Underpin A Building near North Tyneside | £35 | £253 |
| Underpin A Building near Longbenton | £33 | £231 |
| Underpin A Building near Tynemouth | £36 | £257 |
| Underpin A Building near Wallsend | £34 | £242 |
| Underpin A Building near Newcastle Upon Tyne | £33 | £233 |
| Underpin A Building near South Shields | £36 | £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 - £17,719

Two storey extension - £88,329

Build a timber frame extension - £26,219

Build a swimming pool - £81,219

Single storey extension - £59,384

Side return extension - £43,966

Install an RSJ - £2,419

Outbuilding - £10,219

Build a Mansard loft conversion - £52,219

Loft conversion - £35,805

Build a kitchen extension - £42,219

Hip to gable loft conversion - £42,219

Granny annexe - £87,219

Garden office - £10,219

Convert a Garage - £16,219

Garage - £18,719

Build a flat roof extension - £22,219

Build a dormer loft conversion - £42,219

Concrete foundations - £6,469

Convert a bungalow loft - £29,219

Convert a basement - £39,966