B GS GENERAL BUILDERS are here to help customers who need an Extension Builder in NN17. We offer a competitive rate to complete all your extension ...
From £25,472
Ascot Property Solutions Limited is an established and experienced local extension builder in NN17. Please contact us for a free, no obligation quo...
From £25,576
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

A timber frame extension built in NN17 typically ranges from £25,472 (Ascot Property Solutions Limited based in NN17) to £25,656 (B GS GENERAL BUILDERS based in NN17), 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 NN17 by posting a job with HaMuch and we'll send it to extension builders in NN17.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Corby | £30 | £214 |
| Build A Timber Frame Extension near Kettering | £34 | £237 |
| Build A Timber Frame Extension near Market Harborough | £31 | £217 |
| Build A Timber Frame Extension near Wellingborough | £39 | £251 |
| Build A Timber Frame Extension near Stamford | £35 | £248 |
| Build A Timber Frame Extension near Rushden | £34 | £231 |
| Build A Timber Frame Extension near Wigston | £28 | £209 |
| Build A Timber Frame Extension near Hamilton | £29 | £213 |
| Build A Timber Frame Extension near Peterborough | £40 | £281 |
| Build A Timber Frame Extension near Oadby | £28 | £207 |
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 - £17,068

Two storey extension - £87,352

Build a timber frame extension - £25,568

Build a swimming pool - £80,568

Single storey extension - £46,360

Side return extension - £36,640

Install an RSJ - £1,768

Outbuilding - £9,568

Build a Mansard loft conversion - £51,568

Loft conversion - £29,700

Build a kitchen extension - £41,568

Hip to gable loft conversion - £41,568

Granny annexe - £86,568

Garden office - £9,568

Convert a Garage - £15,568

Garage - £18,068

Build a flat roof extension - £21,568

Build a dormer loft conversion - £41,568

Concrete foundations - £5,818

Convert a bungalow loft - £28,568

Convert a basement - £32,640