Add an outbuilding to your property in SE12 from £9,616

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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From £10,152

Last active Nov 26
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J&S WALLINGTON LIMITED

We provide our clients with excellent service and quality. Whether you are looking to extend or upgrade, our professional team has the skills and e...

From £10,184

Last active Oct 26
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Our Builders Ltd

Max Dixon

We are a construction company specialising in all aspects of building works, loft construction Extension complete home renovation, structural ...

From £9,616

Last active Sep 26
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Jmc buildets

Jay Christenson

Experienced extension builder ready to quote for your work. Jmc buildets is the best extension builder in SE12. No obligation free quotes and many ...

From £9,872

Last active Sep 26
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AMJAC CONSTRUCTION LTD

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

AMJAC CONSTRUCTION LTD provides a local, trusted extensi...

From £9,936

Last active Sep 26
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RLD Contractors Ltd

RLD Contractors Ltd is an established and experienced local extension builder in SE12. Please contact us for a free, no obligation quote and compet...

From £9,960

Last active Aug 26
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Rapid Bee Ltd

Rapid Bee Ltd is an established extension buildering business in SE12. We come highly recommended and provide competitive quotes for your work.

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From £10,200

Last active Jun 26
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HA.ME.RA Building & Decoration

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

From £10,128

Last active Jun 26
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Upwards and Outwards

Relax... you have found a reliable extension builder in SE12. Upwards and Outwards is a friendly and reliable company based in SE12 who consider no...

From £10,136

Last active Apr 26
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Hartigans Construction

Andy Hart

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

Hartigans Construction provides a local, trusted extensi...

From £10,184

Last active Apr 26
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Loft Living

Need an Extension Builder in SE12? Loft Living has been helping local clients (5 mile radius) with their extension buildering jobs for many years. ...

Outbuilding cost in SE12

Estimates for outbuilding near SE12

Outbuilding costs in SE12 range from the cheapest of £9,616 (Jmc buildets based in SE9) to the dearest of £10,200 (HA.ME.RA Building & Decoration based in BR1), 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 SE12 by posting a job with HaMuch and we will send it to extension builders.

"Outbuilding Foundations is already done of concrete, Need a quote with brick work. Need a quote only wood work" - BR1, job posted 01/01/70


Estimates for common extension builder jobs in SE12;

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...