From £17,332
Experienced extension builder ready to quote for your work. L F BUILDING & JOINERY is the best extension builder in DH2. No obligation free quotes ...
From £17,780
HST ENG LTD is an established extension buildering business in DH2. We come highly recommended and provide competitive quotes for your work.
From £17,412
Need an Extension Builder in DH2? Spacesaver Loft Storage has been helping local clients (20 mile radius) with their extension buildering jobs for ...
From £17,396
S & A W Joinery & Construction is a trusted extension builder serving customers in DH2 and the surrounding area. Contact us to today to get a compe...
From £17,284
Relax... you have found a reliable extension builder in DH2. ORILLA CONSTRUCTION SOLUTIONS is a friendly and reliable company based in DH2 who cons...
From £18,412
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
From £17,348
Skyline Loft Conversions (NE) Ltd is an established and experienced local extension builder in DH2. Please contact us for a free, no obligation quo...
From £18,380
Established 1983 . For more info visit web site please . Worked in industry for over 40 years.
From £17,772
We have 20+ years experience through all trades supplied.
Yes, we are an Advanced Vaillant installer.
Yes we are members of S...
From £17,604
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DH2. Please contact us for a free, no obligation quote and co...

Underpinning ranges from £17,284 (ORILLA CONSTRUCTION SOLUTIONS based in NE37) 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 DH2 by posting a job with HaMuch and we will send it to extension builders in DH2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Chester-le-Street | £35 | £242 |
| Underpin A Building near Washington | £33 | £251 |
| Underpin A Building near Stanley | £34 | £242 |
| Underpin A Building near Sunderland | £33 | £251 |
| Underpin A Building near Durham | £47 | £267 |
| Underpin A Building near Gateshead | £33 | £234 |
| Underpin A Building near Newcastle Upon Tyne | £33 | £233 |
| Underpin A Building near Hebburn | £34 | £244 |
| Underpin A Building near Jarrow | £34 | £261 |
| Underpin A Building near Consett | £33 | £241 |
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 - £17,672

Two storey extension - £88,258

Build a timber frame extension - £26,172

Build a swimming pool - £81,172

Single storey extension - £58,440

Side return extension - £43,435

Install an RSJ - £2,372

Outbuilding - £10,172

Build a Mansard loft conversion - £52,172

Loft conversion - £35,363

Build a kitchen extension - £42,172

Hip to gable loft conversion - £42,172

Granny annexe - £87,172

Garden office - £10,172

Convert a Garage - £16,172

Garage - £18,672

Build a flat roof extension - £22,172

Build a dormer loft conversion - £42,172

Concrete foundations - £6,422

Convert a bungalow loft - £29,172

Convert a basement - £39,435