From £17,388
Relax... you have found a reliable extension builder in NE12. SB Building Solutions is a friendly and reliable company based in NE12 who consider n...
From £17,468
Trusted and professional extension builder in NE12. Experienced in all extension buildering work and keeping within budget and on quote. Gosforth H...
From £17,436
Trusted and professional extension builder in NE12. Experienced in all extension buildering work and keeping within budget and on quote. Aynsley Wi...
From £17,348
MM Building Services is an established and experienced local extension builder in NE12. Please contact us for a free, no obligation quote and compe...
From £17,284
Trusted and professional extension builder in NE12. Experienced in all extension buildering work and keeping within budget and on quote. DGS Proper...
From £17,508
Need to find an Extension Builder near you for all your extension buildering work?
TK Builders provides a local, trusted extension builderi...
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 £17,348
JT Roofing is an established and experienced local extension builder in NE12. Please contact us for a free, no obligation quote and competitive rat...
From £17,644
North East Contractors Ltd are here to help customers who need an Extension Builder in NE12. We offer a competitive rate to complete all your exten...
From £17,692
Dave Ogle is an established and experienced local extension builder in NE12. Please contact us for a free, no obligation quote and competitive rate...

Underpinning ranges from £17,284 (DGS Property Services based in NE23) to £17,692 (Dave Ogle based in NE), 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 NE12 by posting a job with HaMuch and we will send it to extension builders in NE12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Longbenton | £33 | £231 |
| Underpin A Building near Wallsend | £34 | £242 |
| Underpin A Building near North Tyneside | £35 | £253 |
| Underpin A Building near Whitley Bay | £38 | £268 |
| Underpin A Building near Newcastle Upon Tyne | £33 | £233 |
| Underpin A Building near Cramlington | £36 | £256 |
| Underpin A Building near Hebburn | £34 | £244 |
| Underpin A Building near Tynemouth | £36 | £257 |
| Underpin A Building near Gateshead | £33 | £234 |
| Underpin A Building near Jarrow | £34 | £261 |
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 - £17,477

Two storey extension - £87,965

Build a timber frame extension - £25,977

Build a swimming pool - £80,977

Single storey extension - £54,536

Side return extension - £41,239

Install an RSJ - £2,177

Outbuilding - £9,977

Build a Mansard loft conversion - £51,977

Loft conversion - £33,533

Build a kitchen extension - £41,977

Hip to gable loft conversion - £41,977

Granny annexe - £86,977

Garden office - £9,977

Convert a Garage - £15,977

Garage - £18,477

Build a flat roof extension - £21,977

Build a dormer loft conversion - £41,977

Concrete foundations - £6,227

Convert a bungalow loft - £28,977

Convert a basement - £37,239