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Trusted and professional extension builder in Wells. Experienced in all extension buildering work and keeping within budget and on quote. MICHAEL P...
Colin Clarke
Colin Clarke building:roofing has been successfully in business for 30 years. A vast amount of skills and knowledge has been gained and used to cre...
K STOBBS BUILDING CONTRACTOR is an established extension buildering business in Wells. We come highly recommended and provide competitive quotes fo...
From £87,224
Trusted and professional extension builder in Wells. Experienced in all extension buildering work and keeping within budget and on quote. practise ...
From £86,856
Inspired Worx is a trusted extension builder serving customers in Wells and the surrounding area. Contact us to today to get a competitive quote fo...

Building a granny annexe ranges from £86,528 (C O JOYCE LIMITED based in BA16) to £87,224 (Practise based in BS27), 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 Wells by posting a job with HaMuch. We will send it to extension builders in Wells who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bath | £32 | £249 |
| Granny Annexe near North Somerset | £32 | £245 |
| Granny Annexe near South Somerset | £62 | £270 |
| Granny Annexe near Frome | £33 | £263 |
| Granny Annexe near Keynsham | £33 | £251 |
| Granny Annexe near Weston-super-Mare | £33 | £253 |
| Granny Annexe near Bridgwater | £30 | £236 |
| Granny Annexe near Bristol | £33 | £255 |
| Granny Annexe near Clifton | £33 | £255 |
| Granny Annexe near Clevedon | £32 | £243 |
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 - £17,483

Two storey extension - £87,974

Build a timber frame extension - £25,983

Build a swimming pool - £80,983

Single storey extension - £54,653

Side return extension - £41,305

Install an RSJ - £2,183

Outbuilding - £9,983

Build a Mansard loft conversion - £51,983

Loft conversion - £33,588

Build a kitchen extension - £41,983

Hip to gable loft conversion - £41,983

Granny annexe - £86,983

Garden office - £9,983

Convert a Garage - £15,983

Garage - £18,483

Build a flat roof extension - £21,983

Build a dormer loft conversion - £41,983

Concrete foundations - £6,233

Convert a bungalow loft - £28,983

Convert a basement - £37,305