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Need an Extension Builder in Abergavenny? P.D.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for man...
Experienced extension builder ready to quote for your work. Limitlesskitchens is the best extension builder in Abergavenny. No obligation free quot...
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 Abergavenny. We offer a competitive rate to complete all...

Building a granny annexe ranges from £86,728 (Limitlesskitchens based in NP13) to £86,872 (P.D.Builders based in NP13), 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 Abergavenny by posting a job with HaMuch. We will send it to extension builders in Abergavenny 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 Newport | £41 | £233 |
| Granny Annexe near Caerphilly | £33 | £208 |
| Granny Annexe near Aberdare | £32 | £212 |
| Granny Annexe near Pontypridd | £33 | £211 |
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 - £17,284

Two storey extension - £87,676

Build a timber frame extension - £25,784

Build a swimming pool - £80,784

Single storey extension - £50,680

Side return extension - £39,070

Install an RSJ - £1,984

Outbuilding - £9,784

Build a Mansard loft conversion - £51,784

Loft conversion - £31,725

Build a kitchen extension - £41,784

Hip to gable loft conversion - £41,784

Granny annexe - £86,784

Garden office - £9,784

Convert a Garage - £15,784

Garage - £18,284

Build a flat roof extension - £21,784

Build a dormer loft conversion - £41,784

Concrete foundations - £6,034

Convert a bungalow loft - £28,784

Convert a basement - £35,070