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Available extension builders in Wellington reply
Select your affordable Wellington extension builder
Mark Boobyer
Wellington, TA21
Karesa Developments Ltd is a trusted extension builder serving customers in Wellington and the surrounding area. Contact us to today to get a compe...
Trusted and professional extension builder in Wellington. Experienced in all extension buildering work and keeping within budget and on quote. KEVI...
Andrew Childs
Been installing fascia soffits for over twenty years i profide a very good service
SDP CONSTRUCTION LTD is a trusted extension builder serving customers in Wellington and the surrounding area. Contact us to today to get a competit...
From £17,156
GREEN LID Ltd ta Warm Roofs Direct is an established and experienced local extension builder in Wellington. Please contact us for a free, no obliga...
From £17,260
Corbel Conservation Ltd is an established extension buildering business in Wellington. We come highly recommended and provide competitive quotes fo...
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...

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 Wellington by posting a job with HaMuch and we will send it to extension builders in Wellington.
| 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 - £17,294

Two storey extension - £87,691

Build a timber frame extension - £25,794

Build a swimming pool - £80,794

Single storey extension - £50,886

Side return extension - £39,186

Install an RSJ - £1,994

Outbuilding - £9,794

Build a Mansard loft conversion - £51,794

Loft conversion - £31,821

Build a kitchen extension - £41,794

Hip to gable loft conversion - £41,794

Granny annexe - £86,794

Garden office - £9,794

Convert a Garage - £15,794

Garage - £18,294

Build a flat roof extension - £21,794

Build a dormer loft conversion - £41,794

Concrete foundations - £6,044

Convert a bungalow loft - £28,794

Convert a basement - £35,186