From £26,072
Relax... you have found a reliable extension builder in SN12. TJ PROFESSIONAL BUILDERS T/A is a friendly and reliable company based in SN12 who con...
From £26,184
BEANACRE BUILDERS LTD are here to help customers who need an Extension Builder in SN12. We offer a competitive rate to complete all your extension ...
From £25,896
Our building services company TG Roofing and Construction was established over 10 years ago and have been helping customers throughout Wiltshire by...
From £26,184
APEX BUILDING/ROOFING are here to help customers who need an Extension Builder in SN12. We offer a competitive rate to complete all your extension ...
From £26,096
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £26,112
Wiltshire Builders is a trusted extension builder serving customers in SN12 and the surrounding area. Contact us to today to get a competitive quot...
From £25,800
Need an Extension Builder in SN12? PRO BUILD PROPERTIES LTD has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £26,144
Experienced extension builder ready to quote for your work. Dwbr ltd is the best extension builder in SN12. No obligation free quotes and many happ...
From £25,864
Relax... you have found a reliable extension builder in SN12. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in SN12 who con...
From £26,168
T&B Development are here to help customers who need an Extension Builder in SN12. We offer a competitive rate to complete all your extension builde...

A timber frame extension built in SN12 typically ranges from £25,800 (PRO BUILD PROPERTIES LTD based in SN15) to £26,184 (BEANACRE BUILDERS LTD based in SN12), 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 SN12 by posting a job with HaMuch and we'll send it to extension builders in SN12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Trowbridge | £34 | £266 |
| Build A Timber Frame Extension near West Wiltshire | £32 | £242 |
| Build A Timber Frame Extension near North Wiltshire | £32 | £242 |
| Build A Timber Frame Extension near Devizes | £32 | £242 |
| Build A Timber Frame Extension near Calne | £29 | £225 |
| Build A Timber Frame Extension near Chippenham | £34 | £258 |
| Build A Timber Frame Extension near Frome | £33 | £263 |
| Build A Timber Frame Extension near Bath | £32 | £249 |
| Build A Timber Frame Extension near Keynsham | £33 | £251 |
| Build A Timber Frame Extension near Yate | £34 | £263 |
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 - £17,552

Two storey extension - £88,078

Build a timber frame extension - £26,052

Build a swimming pool - £81,052

Single storey extension - £56,040

Side return extension - £42,085

Install an RSJ - £2,252

Outbuilding - £10,052

Build a Mansard loft conversion - £52,052

Loft conversion - £34,238

Build a kitchen extension - £42,052

Hip to gable loft conversion - £42,052

Granny annexe - £87,052

Garden office - £10,052

Convert a Garage - £16,052

Garage - £18,552

Build a flat roof extension - £22,052

Build a dormer loft conversion - £42,052

Concrete foundations - £6,302

Convert a bungalow loft - £29,052

Convert a basement - £38,085