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Select your affordable NE21 extension builder
ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in NE21. Please contact us for a free, no obligation quot...
L T Builders is a trusted extension builder serving customers in NE21 and the surrounding area. Contact us to today to get a competitive quote for ...
Trusted and professional extension builder in NE21. Experienced in all extension buildering work and keeping within budget and on quote. X7 Roofing...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in NE21? D TAIT BUILDING & PROP REPAIRS has been helping local clients (20 mile radius) with their extension buildering j...
D H P Builders is an established extension buildering business in NE21. We come highly recommended and provide competitive quotes for your work.
JT Roofing is an established and experienced local extension builder in NE21. Please contact us for a free, no obligation quote and competitive rat...
From £17,668
Trusted and professional extension builder in NE21. Experienced in all extension buildering work and keeping within budget and on quote. B & R Buil...

Underpinning ranges from £17,308 (ANDREW HUNTER BUILDING SERVICES based in NE15) to £17,668 (B & R Building Services based in NE5), 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 NE21 by posting a job with HaMuch and we will send it to extension builders in NE21.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Newcastle Upon Tyne | £33 | £236 |
| Underpin A Building near Gateshead | £33 | £236 |
| Underpin A Building near Stanley | £34 | £242 |
| Underpin A Building near Longbenton | £34 | £234 |
| Underpin A Building near Hebburn | £34 | £246 |
| Underpin A Building near Chester-le-Street | £35 | £242 |
| Underpin A Building near Wallsend | £34 | £245 |
| Underpin A Building near Consett | £33 | £241 |
| Underpin A Building near Washington | £33 | £254 |
| Underpin A Building near Jarrow | £34 | £262 |
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 - £17,460

Two storey extension - £87,940

Build a timber frame extension - £25,960

Build a swimming pool - £80,960

Single storey extension - £54,200

Side return extension - £41,050

Install an RSJ - £2,160

Outbuilding - £9,960

Build a Mansard loft conversion - £51,960

Loft conversion - £33,375

Build a kitchen extension - £41,960

Hip to gable loft conversion - £41,960

Granny annexe - £86,960

Garden office - £9,960

Convert a Garage - £15,960

Garage - £18,460

Build a flat roof extension - £21,960

Build a dormer loft conversion - £41,960

Concrete foundations - £6,210

Convert a bungalow loft - £28,960

Convert a basement - £37,050