From £86,992
Street, BA16
Adrian Fowler Property Maintenance & General Building is a trusted extension builder serving customers in Street and the surrounding area. Contact ...
From £86,952
Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in Street. No obligation free quo...
From £87,496
Experienced extension builder ready to quote for your work. Tim Stradling is the best extension builder in Street. No obligation free quotes and ma...
From £87,184
Trusted and professional extension builder in Street. Experienced in all extension buildering work and keeping within budget and on quote. MICHAEL ...
From £87,224
Trusted and professional extension builder in Street. 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 Street and the surrounding area. Contact us to today to get a competitive quote f...
From £86,928
Need an Extension Builder in Street? Wattsfield Construction has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £87,256
TOTAL BUILDING SERVICES is an established extension buildering business in Street. We come highly recommended and provide competitive quotes for yo...
From £87,128
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...

Building a granny annexe ranges from £86,528 (C O JOYCE LIMITED based in BA16) to £87,496 (Tim Stradling based in TA10), 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 Street by posting a job with HaMuch. We will send it to extension builders in Street who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near South Somerset | £62 | £270 |
| Granny Annexe near Bridgwater | £30 | £236 |
| Granny Annexe near Yeovil | £34 | £294 |
| Granny Annexe near Taunton | £31 | £242 |
| Granny Annexe near Bath | £32 | £249 |
| Granny Annexe near Weston-super-Mare | £33 | £253 |
| Granny Annexe near North Somerset | £32 | £245 |
| Granny Annexe near Frome | £33 | £263 |
| Granny Annexe near Clevedon | £32 | £243 |
| Granny Annexe near Keynsham | £33 | £251 |
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 - £17,554

Two storey extension - £88,082

Build a timber frame extension - £26,054

Build a swimming pool - £81,054

Single storey extension - £56,088

Side return extension - £42,112

Install an RSJ - £2,254

Outbuilding - £10,054

Build a Mansard loft conversion - £52,054

Loft conversion - £34,260

Build a kitchen extension - £42,054

Hip to gable loft conversion - £42,054

Granny annexe - £87,054

Garden office - £10,054

Convert a Garage - £16,054

Garage - £18,554

Build a flat roof extension - £22,054

Build a dormer loft conversion - £42,054

Concrete foundations - £6,304

Convert a bungalow loft - £29,054

Convert a basement - £38,112