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A.Gaddarn Builders
Alan Gaddarn
Very reliable honest and hard working guarantee all work clean and tidy first class work
"Loft conversion" - NP44, job posted 29/06/26
P.D.Builders
Need an Extension Builder in Torfaen? P.D.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
Limitlesskitchens
Experienced extension builder ready to quote for your work. Limitlesskitchens is the best extension builder in Torfaen. No obligation free quotes a...
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 Torfaen. Please contact us for a free, no obligation quote a...
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 Torfaen. We offer a competitive rate to complete all you...
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...
TSL Heating & Plumbing
, NP44
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 Torfaen. We offer a competitive rate to complete all your ...
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 Torfaen. Experienced in all extension buildering work and keeping within budget and on quote. BIs Gro...
£29/hr
£201/day
HEDLYN BUILDING CONTRACTORS
Relax... you have found a reliable extension builder in Torfaen. HEDLYN BUILDING CONTRACTORS is a friendly and reliable company based in Torfaen w...
£35/hr
£241/day
DAYS BUILDING SERVICES LTD
Experienced extension builder ready to quote for your work. DAYS BUILDING SERVICES LTD is the best extension builder in Torfaen. No obligation free...
£34/hr
£243/day
H VAUGHAN BUILDERS
H VAUGHAN BUILDERS is an established extension buildering business in Torfaen. We come highly recommended and provide competitive quotes for your w...
Compare Torfaen extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Pontypool | £30 | £210 |
| Extension Builders near Cwmbran | £43 | £219 |
| Extension Builders near Risca | £32 | £218 |
| Extension Builders near Newport | £41 | £233 |
| Extension Builders near Ebbw Vale | £30 | £217 |
| Extension Builders near Tredegar | £30 | £217 |
| Extension Builders near Caerphilly | £33 | £208 |
| Extension Builders near Pontypridd | £33 | £211 |
| Extension Builders near Merthyr Tydfil | £33 | £220 |
| Extension Builders near Church Village | £34 | £214 |
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 - £25,760

Garden office - £9,760

Granny annexe - £86,760

Build a flat roof extension - £21,760

Convert a Garage - £15,760

Hip to gable loft conversion - £41,760

Convert a bungalow loft - £28,760

Build a dormer loft conversion - £41,760

Build a swimming pool - £80,760

Build a Mansard loft conversion - £51,760

Concrete foundations - £6,010

Underpin a building - £17,260

Two storey extension - £87,640

Convert a basement - £34,800

Side return extension - £38,800

Loft conversion - £31,500

Garage - £18,260

Single storey extension - £50,200

Outbuilding - £9,760

Install an RSJ - £1,960

Build a kitchen extension - £41,760
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