From £86,472
Been installing fascia soffits for over twenty years i profide a very good service
From £87,064
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...
From £86,640
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 £87,024
Trusted and professional extension builder in Wellington. Experienced in all extension buildering work and keeping within budget and on quote. KEVI...
From £86,656
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 £86,760
Corbel Conservation Ltd is an established extension buildering business in Wellington. We come highly recommended and provide competitive quotes fo...
From £86,944
Our building services company JK Building & Refurbishments Ltd have seven years’ experience and have been helping customers in Taunton and the su...
From £86,760
Ian Hunt Building Services is an established and experienced local extension builder in Wellington. Please contact us for a free, no obligation quo...
From £86,912
Need an Extension Builder in Wellington? KPM GROUNDWORKS & CONSTRUCTION has been helping local clients (20 mile radius) with their extension builde...
From £86,896
Total Building Solutions Southwest Ltd is an established and experienced local extension builder in Wellington. Please contact us for a free, no ob...

Building a granny annexe ranges from £86,472 (Andrew Childs Fascias, Soffits & Guttering based in TA21) to £87,064 (Karesa Developments Ltd based in TA21), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Wellington by posting a job with HaMuch. We will send it to extension builders in Wellington who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Taunton | £31 | £242 |
| Granny Annexe near Tiverton | £25 | £202 |
| Granny Annexe near Bridgwater | £30 | £236 |
| Granny Annexe near East Devon | £27 | £221 |
| Granny Annexe near Exeter | £27 | £221 |
| Granny Annexe near South Somerset | £62 | £270 |
| Granny Annexe near Exmouth | £24 | £210 |
| Granny Annexe near Yeovil | £34 | £294 |
| Granny Annexe near Barry | £33 | £218 |
| Granny Annexe 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