From £88,360
I am a British Gas trained engineer with a vast knowledge of all gas, central heating, and plumbing systems. Now working independently, I provide i...
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 £88,408
Need to find an Extension Builder near you for all your extension buildering work?
Asanta Builder provides a local, trusted extension build...
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 £87,616
Need an Extension Builder in MK10? J&J Property Services has been helping local clients (20 mile radius) with their extension buildering jobs for m...
From £88,060
Trusted and professional extension builder in MK10. Experienced in all extension buildering work and keeping within budget and on quote. Langton Bu...
From £88,348
Our building services company Steve Miller Building Services have thirty-eight years’ experience and have been helping customers in Pagnell and t...
From £88,660
EXPERT BUILDING SERVICES is an established and experienced local extension builder in MK10. Please contact us for a free, no obligation quote and c...
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 £88,624
BURCROFT BUILDERS is an established and experienced local extension builder in MK10. Please contact us for a free, no obligation quote and competit...

Costs range from £87,616 (J&J Property Services based in MK14) 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.
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"Two single bedroom" - MK8
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Milton Keynes | £33 | £226 |
| Two Storey Extension near Bletchley | £34 | £227 |
| Two Storey Extension near Ampthill | £31 | £214 |
| Two Storey Extension near Leighton Buzzard | £33 | £235 |
| Two Storey Extension near Mid Bedfordshire | £34 | £225 |
| Two Storey Extension near Kempston | £37 | £230 |
| Two Storey Extension near Bedford | £38 | £233 |
| Two Storey Extension near South Bedfordshire | £38 | £233 |
| Two Storey Extension near Dunstable | £36 | £235 |
| Two Storey Extension near Aylesbury Vale | £34 | £230 |
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 - £17,685

Two storey extension - £88,277

Build a timber frame extension - £26,185

Build a swimming pool - £81,185

Single storey extension - £58,696

Side return extension - £43,579

Install an RSJ - £2,385

Outbuilding - £10,185

Build a Mansard loft conversion - £52,185

Loft conversion - £35,483

Build a kitchen extension - £42,185

Hip to gable loft conversion - £42,185

Granny annexe - £87,185

Garden office - £10,185

Convert a Garage - £16,185

Garage - £18,685

Build a flat roof extension - £22,185

Build a dormer loft conversion - £42,185

Concrete foundations - £6,435

Convert a bungalow loft - £29,185

Convert a basement - £39,579