New Haven Construction Group Ltd is an established extension buildering business in NP16. We come highly recommended and provide competitive quotes...
From £86,800
Need to find an Extension Builder near you for all your extension buildering work?
R & G Taylor Builders provides a local, trusted extensio...
From £86,864
Need an Extension Builder in NP16? Milliner Construction has been helping local clients (20 mile radius) with their extension buildering jobs for m...

Building a granny annexe ranges from £86,800 (R & G Taylor Builders based in NP16) to £86,872 (New Haven Construction Group Ltd based in NP16), 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 NP16 by posting a job with HaMuch. We will send it to extension builders in NP16 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Bradley Stoke | £34 | £259 |
| Granny Annexe near Portishead | £33 | £247 |
| Granny Annexe near South Gloucestershire | £34 | £260 |
| Granny Annexe near Clifton | £33 | £255 |
| Granny Annexe near Yate | £34 | £263 |
| Granny Annexe near Newport | £41 | £233 |
| Granny Annexe near Bristol | £33 | £255 |
| Granny Annexe near Cwmbran | £43 | £219 |
| Granny Annexe near Kingswood | £34 | £257 |
| Granny Annexe near Pontypool | £30 | £210 |
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 - £17,345

Two storey extension - £87,768

Build a timber frame extension - £25,845

Build a swimming pool - £80,845

Single storey extension - £51,907

Side return extension - £39,760

Install an RSJ - £2,045

Outbuilding - £9,845

Build a Mansard loft conversion - £51,845

Loft conversion - £32,300

Build a kitchen extension - £41,845

Hip to gable loft conversion - £41,845

Granny annexe - £86,845

Garden office - £9,845

Convert a Garage - £15,845

Garage - £18,345

Build a flat roof extension - £21,845

Build a dormer loft conversion - £41,845

Concrete foundations - £6,095

Convert a bungalow loft - £28,845

Convert a basement - £35,760