Add an outbuilding to your property in MK3 from £9,848

Outbuildings are the perfect way to add extra space to your property when you need a bit of quiet from the main house. Whether it's for a garden office, gym or workshop, an outbuilding can add value to your home and increase your quality of life. To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Outbuilding cost in MK3 - Sort by rates or availability

From £10,224

(last active 31/08/26)
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A J S Building Work

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

From £10,040

(last active 31/08/26)
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Langton Build

Trusted and professional extension builder in MK3. Experienced in all extension buildering work and keeping within budget and on quote. Langton Bui...

From £10,496

(last active 31/08/26)
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JAB

John Addis

Our building services company JAB Home Improvements helps customers in Milton Keynes and the surrounding area by providing professional, trustworth...

From £9,848

(last active 31/08/26)
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Highland Homes & Gardens

Need an Extension Builder in MK3? Highland Homes & Gardens has been helping local clients (20 mile radius) with their extension buildering jobs for...

From £10,272

(last active 31/08/26)
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Asanta Builder

Need to find an Extension Builder near you for all your extension buildering work?

Asanta Builder provides a local, trusted extension build...

From £10,088

(last active 31/08/26)
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Go-Large Design & Build Ltd

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 £10,392

(last active 15/05/26)
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STARGRADE CONSTRUCTION LTD

Need an Extension Builder in MK3? STARGRADE CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs f...

From £10,064

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GD RAWLINGS BUILDING

Relax... you have found a reliable extension builder in MK3. GD RAWLINGS BUILDING is a friendly and reliable company based in MK3 who consider no j...

From £10,416

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BURCROFT BUILDERS

BURCROFT BUILDERS is an established and experienced local extension builder in MK3. Please contact us for a free, no obligation quote and competiti...

From £10,152

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Dallcompanies Limited

Our building services company Dallcompanies Limited was established in May 2023, but have been helping customers in Milton Keynes and the surroundi...

Outbuilding cost in MK3

Estimates for outbuilding near MK3

Outbuilding costs in MK3 range from the cheapest of £9,848 (Highland Homes & Gardens based in MK4) to the dearest of £10,496 (JAB based in MK4), but these are just estimates.

Comparing extension builders estimates for building an outbuilding 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 an outbuilding in MK3 by posting a job with HaMuch and we will send it to extension builders.

"Outbuilding" - MK3, job posted 01/01/70


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Outbuilding near Bletchley£39£265
Outbuilding near Milton Keynes£39£263
Outbuilding near Leighton Buzzard£38£270
Outbuilding near Aylesbury Vale£36£246
Outbuilding near Ampthill£38£258
Outbuilding near Mid Bedfordshire£42£276
Outbuilding near Dunstable£41£272
Outbuilding near Aylesbury£42£270
Outbuilding near Kempston£44£273
Outbuilding near South Bedfordshire£45£278

Estimates for common extension builder jobs in MK3;

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.

More extensions & conversions cost guides...