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 MK8? Highland Homes & Gardens has been helping local clients (20 mile radius) with their extension buildering jobs for...
Trusted and professional extension builder in MK8. Experienced in all extension buildering work and keeping within budget and on quote. Langton Bui...
Relax... you have found a reliable extension builder in MK8. Dean Prichard Building Services is a friendly and reliable company based in MK8 who co...
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?
Asanta Builder provides a local, trusted extension build...
Need to find an Extension Builder near you for all your extension buildering work?
Go-Large Design & Build Ltd provides a local, trusted ex...
Need an Extension Builder in MK8? D Catt Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
John Addis
Our building services company JAB Home Improvements helps customers in Milton Keynes and the surrounding area by providing professional, trustworth...
From £26,416
BURCROFT BUILDERS is an established and experienced local extension builder in MK8. Please contact us for a free, no obligation quote and competiti...

A timber frame extension built in MK8 typically ranges from £25,848 (Highland Homes & Gardens based in MK4) to £26,496 (JAB based in MK4), 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 MK8 by posting a job with HaMuch and we'll send it to extension builders in MK8.
"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 Milton Keynes | £39 | £263 |
| Build A Timber Frame Extension near Bletchley | £39 | £265 |
| Build A Timber Frame Extension near Leighton Buzzard | £38 | £270 |
| Build A Timber Frame Extension near Aylesbury Vale | £36 | £246 |
| 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 Northampton | £35 | £239 |
| Build A Timber Frame Extension near Aylesbury | £42 | £270 |
| Build A Timber Frame Extension near Kempston | £44 | £273 |
| Build A Timber Frame Extension near Dunstable | £41 | £274 |
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 - £17,650

Two storey extension - £88,226

Build a timber frame extension - £26,150

Build a swimming pool - £81,150

Single storey extension - £58,008

Side return extension - £43,192

Install an RSJ - £2,350

Outbuilding - £10,150

Build a Mansard loft conversion - £52,150

Loft conversion - £35,160

Build a kitchen extension - £42,150

Hip to gable loft conversion - £42,150

Granny annexe - £87,150

Garden office - £10,150

Convert a Garage - £16,150

Garage - £18,650

Build a flat roof extension - £22,150

Build a dormer loft conversion - £42,150

Concrete foundations - £6,400

Convert a bungalow loft - £29,150

Convert a basement - £39,192