From £25,896
Barlam Drylining Ltd are here to help customers who need an Extension Builder in CF37. We offer a competitive rate to complete all your extension b...
From £25,872
Need an Extension Builder in CF37? P.D.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £25,200
Very reliable honest and hard working guarantee all work clean and tidy first class work
From £25,616
Experienced extension builder ready to quote for your work. JA Building Maintenance is the best extension builder in CF37. No obligation free quote...
From £25,784
Experienced extension builder ready to quote for your work. TOR BUILD is the best extension builder in CF37. No obligation free quotes and many hap...
From £25,792
T Porter Buiding is an established and experienced local extension builder in CF37. Please contact us for a free, no obligation quote and competiti...
From £25,632
Relax... you have found a reliable extension builder in CF37. Charles Marshall Contracting Ltd is a friendly and reliable company based in CF37 who...
From £25,760
Sharif General Builder is an established and experienced local extension builder in CF37. Please contact us for a free, no obligation quote and com...
From £25,728
Experienced extension builder ready to quote for your work. Limitlesskitchens is the best extension builder in CF37. No obligation free quotes and ...
From £25,576
Relax... you have found a reliable extension builder in CF37. Cwtch Property Developments is a friendly and reliable company based in CF37 who cons...

A timber frame extension built in CF37 typically ranges from £25,200 (A.Gaddarn Builders based in NP11) to £25,896 (Barlam Drylining Ltd based in CF45), but this will vary depending on the size of your extension, the design features you'd like and what your soil is like for the foundations.
Comparing extension builders estimates for building a timber frame extension gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build a timber frame extension in CF37 by posting a job with HaMuch and we'll send it to extension builders in CF37.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Pontypridd | £33 | £211 |
| Build A Timber Frame Extension near Church Village | £34 | £214 |
| Build A Timber Frame Extension near Rhondda | £31 | £206 |
| Build A Timber Frame Extension near Caerphilly | £33 | £208 |
| Build A Timber Frame Extension near Rhondda, Cynon, Taff | £31 | £209 |
| Build A Timber Frame Extension near Aberdare | £32 | £212 |
| Build A Timber Frame Extension near Risca | £32 | £218 |
| Build A Timber Frame Extension near Merthyr Tydfil | £33 | £220 |
| Build A Timber Frame Extension near Cardiff | £34 | £219 |
| Build A Timber Frame Extension near Tredegar | £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 - £17,186

Two storey extension - £87,528

Build a timber frame extension - £25,686

Build a swimming pool - £80,686

Single storey extension - £48,712

Side return extension - £37,963

Install an RSJ - £1,886

Outbuilding - £9,686

Build a Mansard loft conversion - £51,686

Loft conversion - £30,803

Build a kitchen extension - £41,686

Hip to gable loft conversion - £41,686

Granny annexe - £86,686

Garden office - £9,686

Convert a Garage - £15,686

Garage - £18,186

Build a flat roof extension - £21,686

Build a dormer loft conversion - £41,686

Concrete foundations - £5,936

Convert a bungalow loft - £28,686

Convert a basement - £33,963