From £17,412
Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...
From £17,604
A Kendal Builders (N/E) Limited is an established and experienced local extension builder in DH4. Please contact us for a free, no obligation quote...
From £20,492
Trusted and professional extension builder in DH4. Experienced in all extension buildering work and keeping within budget and on quote. David Robe...
From £17,284
Relax... you have found a reliable extension builder in DH4. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in DH4 who cons...
From £17,412
STEVE MULVANEY BUILDING are here to help customers who need an Extension Builder in DH4. We offer a competitive rate to complete all your extension...
From £17,780
HST ENG LTD is an established extension buildering business in DH4. We come highly recommended and provide competitive quotes for your work.
From £18,380
Established 1983 . For more info visit web site please . Worked in industry for over 40 years.
From £17,436
Building Craft Ltd is an established extension buildering business in DH4. We come highly recommended and provide competitive quotes for your work....
From £17,348
Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in DH4. Please contact us for a free, no obligation quo...
From £17,604
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DH4. Please contact us for a free, no obligation quote and co...

Underpinning ranges from £17,284 (ORILLA CONSTRUCTION SOLUTIONS based in NE37) to £20,492 (David Robertson builders based in Sr4), 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 DH4 by posting a job with HaMuch and we will send it to extension builders in DH4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Sunderland | £33 | £251 |
| Underpin A Building near Washington | £33 | £254 |
| Underpin A Building near Chester-le-Street | £35 | £242 |
| Underpin A Building near Seaham | £35 | £235 |
| Underpin A Building near Durham | £47 | £267 |
| Underpin A Building near South Tyneside | £34 | £261 |
| Underpin A Building near Jarrow | £34 | £262 |
| Underpin A Building near Hebburn | £34 | £246 |
| Underpin A Building near Gateshead | £33 | £236 |
| Underpin A Building near Stanley | £34 | £242 |
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 - £17,875

Two storey extension - £88,563

Build a timber frame extension - £26,375

Build a swimming pool - £81,375

Single storey extension - £62,504

Side return extension - £45,721

Install an RSJ - £2,575

Outbuilding - £10,375

Build a Mansard loft conversion - £52,375

Loft conversion - £37,268

Build a kitchen extension - £42,375

Hip to gable loft conversion - £42,375

Granny annexe - £87,375

Garden office - £10,375

Convert a Garage - £16,375

Garage - £18,875

Build a flat roof extension - £22,375

Build a dormer loft conversion - £42,375

Concrete foundations - £6,625

Convert a bungalow loft - £29,375

Convert a basement - £41,721