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STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in South Petherton. Please contact us for a free, no obligatio...
Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in South Petherton. No obligation...
Hraham Evans
Firestone Surfacing Ltd is a trusted extension builder serving customers in South Petherton and the surrounding area. Contact us to today to get a ...
Need to find an Extension Builder near you for all your extension buildering work?
Allen and Woodard Building Contractors Limited provides ...
From £87,072
Our building services company MDP Building Contractors has over 30 years of experience of helping customers in Yeovil and the surrounding area by p...
From £87,496
Experienced extension builder ready to quote for your work. Tim Stradling is the best extension builder in South Petherton. No obligation free quot...

Building a granny annexe ranges from £86,856 (Firestone Surfacing Ltd based in BA21) 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 South Petherton by posting a job with HaMuch. We will send it to extension builders in South Petherton who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near South Somerset | £62 | £270 |
| Granny Annexe near Yeovil | £34 | £294 |
| Granny Annexe near Taunton | £31 | £242 |
| Granny Annexe near Bridgwater | £30 | £236 |
| Granny Annexe near Dorchester | £30 | £230 |
| Granny Annexe near East Devon | £27 | £221 |
| Granny Annexe near Weymouth | £33 | £260 |
| Granny Annexe near Weston-super-Mare | £33 | £253 |
| Granny Annexe near Frome | £33 | £263 |
| Granny Annexe near Tiverton | £25 | £202 |
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 - £17,607

Two storey extension - £88,160

Build a timber frame extension - £26,107

Build a swimming pool - £81,107

Single storey extension - £57,133

Side return extension - £42,700

Install an RSJ - £2,307

Outbuilding - £10,107

Build a Mansard loft conversion - £52,107

Loft conversion - £34,750

Build a kitchen extension - £42,107

Hip to gable loft conversion - £42,107

Granny annexe - £87,107

Garden office - £10,107

Convert a Garage - £16,107

Garage - £18,607

Build a flat roof extension - £22,107

Build a dormer loft conversion - £42,107

Concrete foundations - £6,357

Convert a bungalow loft - £29,107

Convert a basement - £38,700