From £86,816
G T Brickwork is an established extension buildering business in CF82. We come highly recommended and provide competitive quotes for your work.
...From £86,800
Need an Extension Builder in CF82? MG3Design has been helping local clients (20 mile radius) with their extension buildering jobs for many years. G...
From £86,848
Atlantic Building Services Ltd is an established extension buildering business in CF82. We come highly recommended and provide competitive quotes f...
From £86,648
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,848
Relax... you have found a reliable extension builder in CF82. Professional Concrete Solutions is a friendly and reliable company based in CF82 who ...
From £86,944
Trusted and professional extension builder in CF82. Experienced in all extension buildering work and keeping within budget and on quote. BIs Group ...
From £86,704
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,616
EXTEND & BUILD LTD is an established and experienced local extension builder in CF82. Please contact us for a free, no obligation quote and competi...
From £86,416
Trusted and professional extension builder in CF82. Experienced in all extension buildering work and keeping within budget and on quote. M2 Buildin...
From £86,928
Need to find an Extension Builder near you for all your extension buildering work?
GOODE BUILDING SERVICES provides a local, trusted extens...

Building a granny annexe ranges from £86,416 (M2 Building & Landscaping based in NP13) to £86,944 (BIs Group based in NP12), 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 CF82 by posting a job with HaMuch. We will send it to extension builders in CF82 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Caerphilly | £29 | £181 |
| Granny Annexe near Pontypridd | £29 | £184 |
| Granny Annexe near Risca | £27 | £185 |
| Granny Annexe near Church Village | £30 | £188 |
| Granny Annexe near Rhondda, Cynon, Taff | £27 | £183 |
| Granny Annexe near Tredegar | £24 | £195 |
| Granny Annexe near Rhondda | £27 | £183 |
| Granny Annexe near Cwmbran | £39 | £190 |
| Granny Annexe near Merthyr Tydfil | £28 | £187 |
| Granny Annexe near Ebbw Vale | £24 | £195 |
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 - £17,257

Two storey extension - £87,635

Build a timber frame extension - £25,757

Build a swimming pool - £80,757

Single storey extension - £50,136

Side return extension - £38,764

Install an RSJ - £1,957

Outbuilding - £9,757

Build a Mansard loft conversion - £51,757

Loft conversion - £31,470

Build a kitchen extension - £41,757

Hip to gable loft conversion - £41,757

Granny annexe - £86,757

Garden office - £9,757

Convert a Garage - £15,757

Garage - £18,257

Build a flat roof extension - £21,757

Build a dormer loft conversion - £41,757

Concrete foundations - £6,007

Convert a bungalow loft - £28,757

Convert a basement - £34,764