From £86,808
Dare Fitness is an established extension buildering business in CF48. We come highly recommended and provide competitive quotes for your work.
...From £86,824
Need an Extension Builder in CF48? FORMWORK CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £86,896
Barlam Drylining Ltd are here to help customers who need an Extension Builder in CF48. We offer a competitive rate to complete all your extension b...
From £86,528
Need an Extension Builder in CF48? A POWELL CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs f...
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 £86,576
L E JONES BUILDER is an established extension buildering business in CF48. We come highly recommended and provide competitive quotes for your work....
From £86,848
Relax... you have found a reliable extension builder in CF48. Professional Concrete Solutions is a friendly and reliable company based in CF48 who ...
From £86,800
Need an Extension Builder in CF48? MG3Design has been helping local clients (20 mile radius) with their extension buildering jobs for many years. G...
From £86,616
CHANDER CONSTRUCTION LIMITED is an established and experienced local extension builder in CF48. Please contact us for a free, no obligation quote a...
From £86,496
Trusted and professional extension builder in CF48. Experienced in all extension buildering work and keeping within budget and on quote. RJ CONSTRU...

Building a granny annexe ranges from £86,496 (RJ CONSTRUCTION based in CF40) to £86,896 (Barlam Drylining Ltd based in CF45), 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 CF48 by posting a job with HaMuch. We will send it to extension builders in CF48 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Merthyr Tydfil | £33 | £220 |
| Granny Annexe near Aberdare | £32 | £212 |
| Granny Annexe near Tredegar | £30 | £217 |
| Granny Annexe near Rhondda, Cynon, Taff | £31 | £209 |
| Granny Annexe near Ebbw Vale | £30 | £217 |
| Granny Annexe near Rhondda | £31 | £206 |
| Granny Annexe near Pontypridd | £33 | £211 |
| Granny Annexe near Church Village | £34 | £214 |
| Granny Annexe near Caerphilly | £33 | £208 |
| 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 - £17,210

Two storey extension - £87,564

Build a timber frame extension - £25,710

Build a swimming pool - £80,710

Single storey extension - £49,192

Side return extension - £38,233

Install an RSJ - £1,910

Outbuilding - £9,710

Build a Mansard loft conversion - £51,710

Loft conversion - £31,028

Build a kitchen extension - £41,710

Hip to gable loft conversion - £41,710

Granny annexe - £86,710

Garden office - £9,710

Convert a Garage - £15,710

Garage - £18,210

Build a flat roof extension - £21,710

Build a dormer loft conversion - £41,710

Concrete foundations - £5,960

Convert a bungalow loft - £28,710

Convert a basement - £34,233