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P.D.Builders
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...
"Cost to build a single storey extension" - NP12, job posted 25/06/26
Limitlesskitchens
Experienced extension builder ready to quote for your work. Limitlesskitchens is the best extension builder in Blaenau Gwent. No obligation free qu...
PARTRIDGE - WILSON BUILDERS
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
D BENDON CONSTRUCTION LTD is an established and experienced local extension builder in Blaenau Gwent. Please contact us for a free, no obligation q...
A B CONSTRUCTION
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
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...
G T Brickwork
Gareth Thorpe
G T Brickwork is an established extension buildering business in Blaenau Gwent. We come highly recommended and provide competitive quotes for your ...
Jac Jones Construction Ltd
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
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...
JSP Building Contractors Ltd
Our building services company JSP Carpentry & Building Services has 15 years of experience in the industry. Since then, we have been helping custom...
£38/hr
£243/day
BIs Group
Trusted and professional extension builder in Blaenau Gwent. Experienced in all extension buildering work and keeping within budget and on quote. B...
£29/hr
£201/day
HEDLYN BUILDING CONTRACTORS
Relax... you have found a reliable extension builder in Blaenau Gwent. HEDLYN BUILDING CONTRACTORS is a friendly and reliable company based in Bla...
£35/hr
£225/day
MG3Design
Need an Extension Builder in Blaenau Gwent? MG3Design has been helping local clients (20 mile radius) with their extension buildering jobs for many...
Compare Blaenau Gwent extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Pontypool | £30 | £210 |
| Extension Builders near Ebbw Vale | £30 | £217 |
| Extension Builders near Tredegar | £30 | £217 |
| Extension Builders near Cwmbran | £43 | £219 |
| Extension Builders near Risca | £32 | £218 |
| Extension Builders near Merthyr Tydfil | £33 | £220 |
| Extension Builders near Caerphilly | £33 | £208 |
| Extension Builders near Newport | £41 | £233 |
| Extension Builders near Pontypridd | £33 | £211 |
| Extension Builders near Aberdare | £32 | £212 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £25,776

Garden office - £9,776

Granny annexe - £86,776

Build a flat roof extension - £21,776

Convert a Garage - £15,776

Hip to gable loft conversion - £41,776

Convert a bungalow loft - £28,776

Build a dormer loft conversion - £41,776

Build a swimming pool - £80,776

Build a Mansard loft conversion - £51,776

Concrete foundations - £6,026

Underpin a building - £17,276

Two storey extension - £87,664

Convert a basement - £34,980

Side return extension - £38,980

Loft conversion - £31,650

Garage - £18,276

Single storey extension - £50,520

Outbuilding - £9,776

Install an RSJ - £1,976

Build a kitchen extension - £41,776
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