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Need an Extension Builder in Blaenau Gwent? P.D.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for m...
Experienced extension builder ready to quote for your work. Limitlesskitchens is the best extension builder in Blaenau Gwent. No obligation free qu...
Need to find an Extension Builder near you for all your extension buildering work?
PARTRIDGE - WILSON BUILDERS provides a local, trusted ex...
D BENDON CONSTRUCTION LTD is an established and experienced local extension builder in Blaenau Gwent. Please contact us for a free, no obligation q...
Need to find an Extension Builder near you for all your extension buildering work?
A B CONSTRUCTION provides a local, trusted extension bui...
OWEN BROTHERS CONSTRUCTION LTD are here to help customers who need an Extension Builder in Blaenau Gwent. We offer a competitive rate to complete a...
Gareth Thorpe
G T Brickwork is an established extension buildering business in Blaenau Gwent. We come highly recommended and provide competitive quotes for your ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
LEE BAILEY BUILDING SERVICES are here to help customers who need an Extension Builder in Blaenau Gwent. We offer a competitive rate to complete all...

Building a granny annexe ranges from £86,568 (D BENDON CONSTRUCTION LTD based in NP4) to £86,984 (PARTRIDGE - WILSON BUILDERS based in NP44), 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 Blaenau Gwent by posting a job with HaMuch. We will send it to extension builders in Blaenau Gwent who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Pontypool | £30 | £210 |
| Granny Annexe near Ebbw Vale | £30 | £217 |
| Granny Annexe near Tredegar | £30 | £217 |
| Granny Annexe near Cwmbran | £43 | £219 |
| Granny Annexe near Risca | £32 | £218 |
| Granny Annexe near Merthyr Tydfil | £33 | £220 |
| Granny Annexe near Caerphilly | £33 | £208 |
| Granny Annexe near Newport | £41 | £233 |
| Granny Annexe near Pontypridd | £33 | £211 |
| Granny Annexe near Aberdare | £32 | £212 |
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 - £17,276

Two storey extension - £87,664

Build a timber frame extension - £25,776

Build a swimming pool - £80,776

Single storey extension - £50,520

Side return extension - £38,980

Install an RSJ - £1,976

Outbuilding - £9,776

Build a Mansard loft conversion - £51,776

Loft conversion - £31,650

Build a kitchen extension - £41,776

Hip to gable loft conversion - £41,776

Granny annexe - £86,776

Garden office - £9,776

Convert a Garage - £15,776

Garage - £18,276

Build a flat roof extension - £21,776

Build a dormer loft conversion - £41,776

Concrete foundations - £6,026

Convert a bungalow loft - £28,776

Convert a basement - £34,980