From £16,972
Been installing fascia soffits for over twenty years i profide a very good service
From £17,564
Karesa Developments Ltd is a trusted extension builder serving customers in TA21 and the surrounding area. Contact us to today to get a competitive...
From £17,140
SDP CONSTRUCTION LTD is a trusted extension builder serving customers in TA21 and the surrounding area. Contact us to today to get a competitive qu...
From £17,524
Trusted and professional extension builder in TA21. Experienced in all extension buildering work and keeping within budget and on quote. KEVIN GIBB...
From £17,156
GREEN LID Ltd ta Warm Roofs Direct is an established and experienced local extension builder in TA21. Please contact us for a free, no obligation q...
From £17,260
Corbel Conservation Ltd is an established extension buildering business in TA21. We come highly recommended and provide competitive quotes for your...
From £17,444
Our building services company JK Building & Refurbishments Ltd have seven years’ experience and have been helping customers in Taunton and the su...
From £17,260
Ian Hunt Building Services is an established and experienced local extension builder in TA21. Please contact us for a free, no obligation quote and...
From £17,412
Need an Extension Builder in TA21? KPM GROUNDWORKS & CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering j...
From £17,396
Total Building Solutions Southwest Ltd is an established and experienced local extension builder in TA21. Please contact us for a free, no obligati...

Underpinning ranges from £16,972 (Andrew Childs Fascias, Soffits & Guttering based in TA21) to £17,564 (Karesa Developments Ltd based in TA21), 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 TA21 by posting a job with HaMuch and we will send it to extension builders in TA21.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Taunton | £31 | £242 |
| Underpin A Building near Tiverton | £25 | £202 |
| Underpin A Building near Bridgwater | £30 | £236 |
| Underpin A Building near East Devon | £27 | £221 |
| Underpin A Building near Exeter | £27 | £221 |
| Underpin A Building near South Somerset | £62 | £270 |
| Underpin A Building near Exmouth | £24 | £210 |
| Underpin A Building near Yeovil | £34 | £294 |
| Underpin A Building near Barry | £33 | £218 |
| Underpin A Building near Weston-super-Mare | £33 | £253 |
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 - £17,313

Two storey extension - £87,719

Build a timber frame extension - £25,813

Build a swimming pool - £80,813

Single storey extension - £51,256

Side return extension - £39,394

Install an RSJ - £2,013

Outbuilding - £9,813

Build a Mansard loft conversion - £51,813

Loft conversion - £31,995

Build a kitchen extension - £41,813

Hip to gable loft conversion - £41,813

Granny annexe - £86,813

Garden office - £9,813

Convert a Garage - £15,813

Garage - £18,313

Build a flat roof extension - £21,813

Build a dormer loft conversion - £41,813

Concrete foundations - £6,063

Convert a bungalow loft - £28,813

Convert a basement - £35,394