From £86,872
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...
From £86,880
Relax... you have found a reliable extension builder in NP16. A M I Construction is a friendly and reliable company based in NP16 who consider no j...
From £86,696
GOLDCLIFF CONSTRUCTION LTD are here to help customers who need an Extension Builder in NP16. We offer a competitive rate to complete all your exten...
From £86,816
Eric J Ivins is a trusted extension builder serving customers in NP16 and the surrounding area. Contact us to today to get a competitive quote for ...
From £86,912
Experienced extension builder ready to quote for your work. G & J BUILDING MAINTENANCE is the best extension builder in NP16. No obligation free qu...
From £87,032
Trusted and professional extension builder in NP16. Experienced in all extension buildering work and keeping within budget and on quote. M A Church...
From £87,064
Dybowski Building Services are here to help customers who need an Extension Builder in NP16. We offer a competitive rate to complete all your exten...
From £87,168
Need an Extension Builder in NP16? Alistair McKenzie has been helping local clients (20 mile radius) with their extension buildering jobs for many ...

Building a granny annexe ranges from £86,696 (GOLDCLIFF CONSTRUCTION LTD based in NP26) to £87,168 (Alistair McKenzie based in BS32), 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 - £17,410

Two storey extension - £87,866

Build a timber frame extension - £25,910

Build a swimming pool - £80,910

Single storey extension - £53,208

Side return extension - £40,492

Install an RSJ - £2,110

Outbuilding - £9,910

Build a Mansard loft conversion - £51,910

Loft conversion - £32,910

Build a kitchen extension - £41,910

Hip to gable loft conversion - £41,910

Granny annexe - £86,910

Garden office - £9,910

Convert a Garage - £15,910

Garage - £18,410

Build a flat roof extension - £21,910

Build a dormer loft conversion - £41,910

Concrete foundations - £6,160

Convert a bungalow loft - £28,910

Convert a basement - £36,492