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 Milton Keynes? Highland Homes & Gardens has been helping local clients (20 mile radius) with their extension builderin...
Trusted and professional extension builder in Milton Keynes. Experienced in all extension buildering work and keeping within budget and on quote. L...
Relax... you have found a reliable extension builder in Milton Keynes. Dean Prichard Building Services is a friendly and reliable company based in ...
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 Milton Keynes? D Catt Builders has been helping local clients (20 mile radius) with their extension buildering jobs fo...
EXPERT BUILDING SERVICES is an established and experienced local extension builder in Milton Keynes. Please contact us for a free, no obligation qu...
John Addis
Our building services company JAB Home Improvements helps customers in Milton Keynes and the surrounding area by providing professional, trustworth...

A flat roof extension ranges from the cheapest of £21,848 (Highland Homes & Gardens based in MK4) to the dearest of £22,496 (JAB based in MK4), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Milton Keynes by posting a job with HaMuch. We'll send it to extension builders in Milton Keynes.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Milton Keynes | £39 | £263 |
| Build A Flat Roof Extension near Bletchley | £39 | £265 |
| Build A Flat Roof Extension near Leighton Buzzard | £38 | £270 |
| Build A Flat Roof Extension near Ampthill | £38 | £258 |
| Build A Flat Roof Extension near Aylesbury Vale | £36 | £246 |
| Build A Flat Roof Extension near Mid Bedfordshire | £42 | £276 |
| Build A Flat Roof Extension near Kempston | £44 | £273 |
| Build A Flat Roof Extension near Bedford | £45 | £278 |
| Build A Flat Roof Extension near South Bedfordshire | £45 | £278 |
| Build A Flat Roof 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 - £17,653

Two storey extension - £88,229

Build a timber frame extension - £26,153

Build a swimming pool - £81,153

Single storey extension - £58,056

Side return extension - £43,219

Install an RSJ - £2,353

Outbuilding - £10,153

Build a Mansard loft conversion - £52,153

Loft conversion - £35,183

Build a kitchen extension - £42,153

Hip to gable loft conversion - £42,153

Granny annexe - £87,153

Garden office - £10,153

Convert a Garage - £16,153

Garage - £18,653

Build a flat roof extension - £22,153

Build a dormer loft conversion - £42,153

Concrete foundations - £6,403

Convert a bungalow loft - £29,153

Convert a basement - £39,219