Our building services company Dallcompanies Limited was established in May 2023, but have been helping customers in Milton Keynes and the surroundi...
Need an Extension Builder in MK17? Highland Homes & Gardens has been helping local clients (20 mile radius) with their extension buildering jobs fo...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
Go-Large Design & Build Ltd provides a local, trusted ex...
EXPERT BUILDING SERVICES is an established and experienced local extension builder in MK17. Please contact us for a free, no obligation quote and c...
From £26,416
BURCROFT BUILDERS is an established and experienced local extension builder in MK17. Please contact us for a free, no obligation quote and competit...
From £26,160
We are a small friendly company who offer a wide range of electrical services to all domestic, commercial and industrial clients.We carry o...
From £26,016
Trusted and professional extension builder in MK17. Experienced in all extension buildering work and keeping within budget and on quote. WOBURN BUI...

A timber frame extension built in MK17 typically ranges from £25,848 (Highland Homes & Gardens based in MK4) to £26,440 (EXPERT BUILDING SERVICES based in MK17), 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 MK17 by posting a job with HaMuch and we'll send it to extension builders in MK17.
"Timber frame first floor extension above the garage, with outer leaf brickwork and tiled pitched roof above." - MK6, job posted 05/04/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Bletchley | £39 | £265 |
| Build A Timber Frame Extension near Milton Keynes | £39 | £263 |
| Build A Timber Frame Extension near Leighton Buzzard | £38 | £270 |
| Build A Timber Frame Extension near Ampthill | £38 | £258 |
| Build A Timber Frame Extension near Mid Bedfordshire | £42 | £276 |
| Build A Timber Frame Extension near Dunstable | £41 | £272 |
| Build A Timber Frame Extension near Aylesbury Vale | £36 | £246 |
| Build A Timber Frame Extension near Aylesbury | £42 | £270 |
| Build A Timber Frame Extension near Kempston | £44 | £273 |
| Build A Timber Frame Extension near South Bedfordshire | £45 | £278 |
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 - £17,668

Two storey extension - £88,252

Build a timber frame extension - £26,168

Build a swimming pool - £81,168

Single storey extension - £58,360

Side return extension - £43,390

Install an RSJ - £2,368

Outbuilding - £10,168

Build a Mansard loft conversion - £52,168

Loft conversion - £35,325

Build a kitchen extension - £42,168

Hip to gable loft conversion - £42,168

Granny annexe - £87,168

Garden office - £10,168

Convert a Garage - £16,168

Garage - £18,668

Build a flat roof extension - £22,168

Build a dormer loft conversion - £42,168

Concrete foundations - £6,418

Convert a bungalow loft - £29,168

Convert a basement - £39,390