Wayne Parsons
An experienced quality tradesman who is a member of the federation of master builders.
Any projects will be undertaken safely, professio...

Building a granny annexe ranges from £87,736 (WMP Builders based in TA9) to £87,736 (WMP Builders based in TA9), 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 TA9 by posting a job with HaMuch. We will send it to extension builders in TA9 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bridgwater | £30 | £236 |
| Granny Annexe near Weston-super-Mare | £33 | £253 |
| Granny Annexe near North Somerset | £32 | £245 |
| Granny Annexe near Clevedon | £32 | £243 |
| Granny Annexe near Taunton | £31 | £242 |
| Granny Annexe near Penarth | £35 | £219 |
| Granny Annexe near South Somerset | £62 | £270 |
| Granny Annexe near Portishead | £33 | £247 |
| Granny Annexe near Barry | £33 | £223 |
| Granny Annexe near Cardiff | £34 | £219 |
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 - £18,236

Two storey extension - £89,104

Build a timber frame extension - £26,736

Build a swimming pool - £81,736

Single storey extension - £69,720

Side return extension - £49,780

Install an RSJ - £2,936

Outbuilding - £10,736

Build a Mansard loft conversion - £52,736

Loft conversion - £40,650

Build a kitchen extension - £42,736

Hip to gable loft conversion - £42,736

Granny annexe - £87,736

Garden office - £10,736

Convert a Garage - £16,736

Garage - £19,236

Build a flat roof extension - £22,736

Build a dormer loft conversion - £42,736

Concrete foundations - £6,986

Convert a bungalow loft - £29,736

Convert a basement - £45,780