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Select your affordable CF46 extension builder
Barlam Drylining Ltd are here to help customers who need an Extension Builder in CF46. We offer a competitive rate to complete all your extension b...
Gareth Thorpe
G T Brickwork is an established extension buildering business in CF46. We come highly recommended and provide competitive quotes for your work.
...Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,848
Atlantic Building Services Ltd is an established extension buildering business in CF46. We come highly recommended and provide competitive quotes f...
From £21,800
Need an Extension Builder in CF46? MG3Design has been helping local clients (20 mile radius) with their extension buildering jobs for many years. G...

A flat roof extension ranges from the cheapest of £21,704 (BUILD-TEC CONTRACTORS LTD based in CF45) to the dearest of £21,896 (Barlam Drylining Ltd based in CF45), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in CF46 by posting a job with HaMuch. We'll send it to extension builders in CF46.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Pontypridd | £33 | £211 |
| Build A Flat Roof Extension near Rhondda, Cynon, Taff | £31 | £209 |
| Build A Flat Roof Extension near Rhondda | £31 | £206 |
| Build A Flat Roof Extension near Merthyr Tydfil | £33 | £220 |
| Build A Flat Roof Extension near Church Village | £34 | £214 |
| Build A Flat Roof Extension near Caerphilly | £33 | £208 |
| Build A Flat Roof Extension near Tredegar | £30 | £217 |
| Build A Flat Roof Extension near Aberdare | £32 | £212 |
| Build A Flat Roof Extension near Risca | £32 | £218 |
| Build A Flat Roof Extension near Ebbw Vale | £30 | £217 |
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 - £17,313

Two storey extension - £87,719

Build a timber frame extension - £25,813

Build a swimming pool - £80,813

Single storey extension - £51,256

Side return extension - £39,394

Install an RSJ - £2,013

Outbuilding - £9,813

Build a Mansard loft conversion - £51,813

Loft conversion - £31,995

Build a kitchen extension - £41,813

Hip to gable loft conversion - £41,813

Granny annexe - £86,813

Garden office - £9,813

Convert a Garage - £15,813

Garage - £18,313

Build a flat roof extension - £21,813

Build a dormer loft conversion - £41,813

Concrete foundations - £6,063

Convert a bungalow loft - £28,813

Convert a basement - £35,394