From £88,096
At Building Better Spaces we have been fitting bespoke bathrooms for ten years.We pride ourselves on being the go-to bathroom fitters for d...
From £88,624
BURCROFT BUILDERS is an established and experienced local extension builder in MK17. Please contact us for a free, no obligation quote and competit...
From £88,132
Need to find an Extension Builder near you for all your extension buildering work?
Go-Large Design & Build Ltd provides a local, trusted ex...
From £88,336
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,096
Relax... you have found a reliable extension builder in MK17. GD RAWLINGS BUILDING is a friendly and reliable company based in MK17 who consider no...
From £87,772
Need an Extension Builder in MK17? Highland Homes & Gardens has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £88,228
Our building services company Dallcompanies Limited was established in May 2023, but have been helping customers in Milton Keynes and the surroundi...
From £88,024
Trusted and professional extension builder in MK17. Experienced in all extension buildering work and keeping within budget and on quote. WOBURN BUI...
From £88,660
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 £88,240
We are a small friendly company who offer a wide range of electrical services to all domestic, commercial and industrial clients.We carry o...

Costs range from £87,772 (Highland Homes & Gardens based in MK4) to £88,660 (EXPERT BUILDING SERVICES based in MK17), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to MK17.
"Two single bedroom" - MK8
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Bletchley | £39 | £265 |
| Two Storey Extension near Milton Keynes | £39 | £263 |
| Two Storey Extension near Leighton Buzzard | £38 | £270 |
| Two Storey Extension near Ampthill | £38 | £258 |
| Two Storey Extension near Mid Bedfordshire | £42 | £276 |
| Two Storey Extension near Dunstable | £41 | £270 |
| Two Storey Extension near Aylesbury Vale | £36 | £246 |
| Two Storey Extension near Aylesbury | £42 | £270 |
| Two Storey Extension near Kempston | £44 | £273 |
| Two Storey Extension near Bedford | £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 - £17,647

Two storey extension - £88,221

Build a timber frame extension - £26,147

Build a swimming pool - £81,147

Single storey extension - £57,944

Side return extension - £43,156

Install an RSJ - £2,347

Outbuilding - £10,147

Build a Mansard loft conversion - £52,147

Loft conversion - £35,130

Build a kitchen extension - £42,147

Hip to gable loft conversion - £42,147

Granny annexe - £87,147

Garden office - £10,147

Convert a Garage - £16,147

Garage - £18,647

Build a flat roof extension - £22,147

Build a dormer loft conversion - £42,147

Concrete foundations - £6,397

Convert a bungalow loft - £29,147

Convert a basement - £39,156