From £26,104
Need an Extension Builder in BS39? RHayes Roofing has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
From £25,816
Experienced extension builder ready to quote for your work. J CROZIER (BUILDERS) LTD is the best extension builder in BS39. No obligation free quot...
From £26,928
Mark Richards
We are a family run small business, we only use fully time served tradespeople. Having been building for 22years a still having a passion for quali...

A timber frame extension built in BS39 typically ranges from £25,816 (J CROZIER (BUILDERS) LTD based in BA2) to £26,928 (Unique Design & Build based in BS39), 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 BS39 by posting a job with HaMuch and we'll send it to extension builders in BS39.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Bath | £32 | £249 |
| Build A Timber Frame Extension near Keynsham | £33 | £251 |
| Build A Timber Frame Extension near Bristol | £33 | £255 |
| Build A Timber Frame Extension near Kingswood | £34 | £257 |
| Build A Timber Frame Extension near Clifton | £33 | £255 |
| Build A Timber Frame Extension near Frome | £33 | £263 |
| Build A Timber Frame Extension near North Somerset | £32 | £245 |
| Build A Timber Frame Extension near South Gloucestershire | £34 | £260 |
| Build A Timber Frame Extension near Portishead | £33 | £247 |
| Build A Timber Frame Extension near Trowbridge | £34 | £266 |
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 - £17,783

Two storey extension - £88,424

Build a timber frame extension - £26,283

Build a swimming pool - £81,283

Single storey extension - £60,653

Side return extension - £44,680

Install an RSJ - £2,483

Outbuilding - £10,283

Build a Mansard loft conversion - £52,283

Loft conversion - £36,400

Build a kitchen extension - £42,283

Hip to gable loft conversion - £42,283

Granny annexe - £87,283

Garden office - £10,283

Convert a Garage - £16,283

Garage - £18,783

Build a flat roof extension - £22,283

Build a dormer loft conversion - £42,283

Concrete foundations - £6,533

Convert a bungalow loft - £29,283

Convert a basement - £40,680