From £17,980
On time/ professional/ time served/trustworthy
From £17,492
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £18,412
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
From £17,308
ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in Ashbrooke. Please contact us for a free, no obligation...
From £17,028
Experienced extension builder ready to quote for your work. KIETH GRAY ROOFING & BUILDING is the best extension builder in Ashbrooke. No obligation...
From £17,484
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,436
Building Craft Ltd is an established extension buildering business in Ashbrooke. We come highly recommended and provide competitive quotes for your...
From £17,308
Trusted and professional extension builder in Ashbrooke. Experienced in all extension buildering work and keeping within budget and on quote. DHB B...
From £17,332
LJP Roofing are here to help customers who need an Extension Builder in Ashbrooke. We offer a competitive rate to complete all your extension build...
From £17,348
Trusted and professional extension builder in Ashbrooke. Experienced in all extension buildering work and keeping within budget and on quote. X7 Ro...

Underpinning ranges from £17,028 (KIETH GRAY ROOFING & BUILDING based in TS24) to £18,412 (Radici Construction North East Ltd based in DH1), 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 Ashbrooke by posting a job with HaMuch and we will send it to extension builders in Ashbrooke.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Seaham | £35 | £235 |
| Underpin A Building near Sunderland | £33 | £251 |
| Underpin A Building near South Tyneside | £34 | £261 |
| Underpin A Building near Washington | £33 | £254 |
| Underpin A Building near Jarrow | £34 | £262 |
| Underpin A Building near South Shields | £36 | £257 |
| Underpin A Building near Hebburn | £34 | £246 |
| Underpin A Building near Peterlee | £36 | £230 |
| Underpin A Building near Chester-le-Street | £35 | £242 |
| Underpin A Building near Tynemouth | £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 - £17,513

Two storey extension - £88,019

Build a timber frame extension - £26,013

Build a swimming pool - £81,013

Single storey extension - £55,256

Side return extension - £41,644

Install an RSJ - £2,213

Outbuilding - £10,013

Build a Mansard loft conversion - £52,013

Loft conversion - £33,870

Build a kitchen extension - £42,013

Hip to gable loft conversion - £42,013

Granny annexe - £87,013

Garden office - £10,013

Convert a Garage - £16,013

Garage - £18,513

Build a flat roof extension - £22,013

Build a dormer loft conversion - £42,013

Concrete foundations - £6,263

Convert a bungalow loft - £29,013

Convert a basement - £37,644