Add an outbuilding to your property in Eastleigh from £9,752

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 green button.

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Outbuilding cost in Eastleigh - Sort by rates or availability

From £10,800

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Boss

Karl Builder

Member since October 2026

Hi we are a building company that have been working in the swindon area for many years we also work as far as bristol We do loft conversion. ...

From £9,968

Last active Nov 26
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Andy's Building Services

Trusted and professional extension builder in Eastleigh. Experienced in all extension buildering work and keeping within budget and on quote. Andy'...

From £10,192

Last active Oct 26
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AAConcepts

Arshad Ali

We are a Design and Build company based in Hampshire. Proud of our roots, we try to be the very best in the way we go about our business. Friendly...

From £9,960

Last active Oct 26
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ROB DINE CONSTRUCTION

ROB DINE CONSTRUCTION is an established and experienced local extension builder in Eastleigh. Please contact us for a free, no obligation quote and...

From £10,120

Last active Oct 26
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Mobile Services

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

Mobile Services provides a local, trusted extension buil...

From £10,136

Last active Oct 26
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Claytons Building and Roofing

Claytons Building and Roofing are here to help customers who need an Extension Builder in Eastleigh. We offer a competitive rate to complete all yo...

From £9,752

Last active Oct 26
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Steve Lovett Builders

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

From £9,872

Last active Oct 26
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General Building Services (Southampton) Ltd

Luke Rees

Location

Eastleigh, SO53

General Building Services (Southampton) Ltd is a trusted extension builder serving customers in Eastleigh and the surrounding area. Contact us to t...

From £10,176

Last active Oct 26
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CSY Construction Ltd

Experienced extension builder ready to quote for your work. CSY Construction Ltd is the best extension builder in Eastleigh. No obligation free quo...

From £10,040

Last active Jul 26
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Grant Construction

Experienced extension builder ready to quote for your work. Grant Construction is the best extension builder in Eastleigh. No obligation free quote...

Outbuilding cost in Eastleigh

Estimates for outbuilding near Eastleigh

Outbuilding costs in Eastleigh range from the cheapest of £9,752 (Steve Lovett Builders based in SO18) to the dearest of £10,800 (Boss based in SO23), 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 Eastleigh by posting a job with HaMuch and we will send it to extension builders.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Outbuilding near Eastleigh£34£244
Outbuilding near Chandler's Ford£34£245
Outbuilding near Southampton£34£243
Outbuilding near Hedge End£34£244
Outbuilding near Romsey£32£230
Outbuilding near Totton£34£243
Outbuilding near Winchester£39£283
Outbuilding near Locks Heath£33£240
Outbuilding near Fareham£35£250
Outbuilding near New Forest£32£245

Estimates for common extension builder jobs in Eastleigh;

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...