Add an outbuilding to your property in IG11 from £9,880

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.

HaMuch is Excellent

Outbuilding cost in IG11 - Sort by rates or availability

From £10,712

Last active Nov 26
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Render

Experienced extension builder ready to quote for your work. Render is the best extension builder in IG11. No obligation free quotes and many happy ...

From £10,272

Last active Nov 26
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Kunshi Services UK Ltd

Kunshi Services UK Ltd is a trusted extension builder serving customers in IG11 and the surrounding area. Contact us to today to get a competitive ...

From £9,880

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Can design and Construction

Erald Kanani

Member since August 2025

Location

Barking, IG11

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

From £10,200

Last active Sep 26
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Derryard Construction Ltd

Relax... you have found a reliable extension builder in IG11. Derryard Construction Ltd is a friendly and reliable company based in IG11 who consid...

From £9,968

Last active Sep 26
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B J CULLEN BUILDERS

B J CULLEN BUILDERS are here to help customers who need an Extension Builder in IG11. We offer a competitive rate to complete all your extension bu...

From £10,032

Last active Sep 26
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Major Building Contractors Ltd

Relax... you have found a reliable extension builder in IG11. Major Building Contractors Ltd is a friendly and reliable company based in IG11 who c...

From £10,184

Last active Sep 26
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Sz Builders

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

Sz Builders provides a local, trusted extension builderi...

From £9,960

Last active Aug 26
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KLR Shopfitters

KLR Shopfitters

Location

RM82R

KLR Shopfitters supplies and fits modern aluminium shopfronts designed for strength, clarity, and long-lasting performance. Our service covers the ...

From £10,240

Last active Jul 26
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Albion Ra Ltd

Location

London, IG11

Albion RA offers complete construction solutions for residential clients across Kent\nand the surrounding areas.\n\nOur specialist team has many ye...

From £10,184

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A TEAM CONSTRUCTION LTD

Trusted and professional extension builder in IG11. Experienced in all extension buildering work and keeping within budget and on quote. A TEAM CON...

Outbuilding cost in IG11

Estimates for outbuilding near IG11

Outbuilding costs in IG11 range from the cheapest of £9,880 (Can design and Construction based in Ig11) to the dearest of £10,712 (Render based in IG1), 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 IG11 by posting a job with HaMuch and we will send it to extension builders.


Estimates for common extension builder jobs in IG11;

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...