Add an outbuilding to your property in Clapham from £9,976

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 £11,024

Last active Nov 26
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Buci builders ltd

Robert Buci

Buci builders ltd is a trusted extension builder serving customers in Clapham and the surrounding area. Contact us to today to get a competitive qu...

From £10,448

Last active Nov 26
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London Construction

London Construction is an established and experienced local extension builder in Clapham. Please contact us for a free, no obligation quote and com...

From £10,184

Last active Nov 26
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QA's Pointing and Brick Repair

QA's Pointing Brick Repair

Relax... you have found a reliable extension builder in Clapham. QA's Pointing and Brick Repair is a friendly and reliable company based in Clapham...

From £10,104

Last active Oct 26
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Langston Builders

Langston Builders is a trusted extension builder serving customers in Clapham and the surrounding area. Contact us to today to get a competitive qu...

From £10,320

Last active Oct 26
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Renaissance Timothy Brewer Ltd

Renaissance Timothy Brewer Ltd is an established extension buildering business in Clapham. We come highly recommended and provide competitive quote...

From £9,984

Last active Oct 26

2 reviews

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RCB Group Design & Build

Vasi J

No Call out charges! 

All Jobs Fully Insured and Guaranteed !!!

All aspects of Plumbing, Heating and Drains....

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"I am very pleased with the work carried out. All very clear and transparent." - ROMFORD,reviewed 10/01/18, KELLY

From £10,040

Last active Oct 26
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PW Construction & Renovation Ltd

PW Construction & Renovation Ltd is a trusted extension builder serving customers in Clapham and the surrounding area. Contact us to today to get a...

From £10,056

Last active Oct 26
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The Perfectionist

Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Clapham. No obligation free quotes a...

From £10,320

Last active Sep 26
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D & G Building & Decorating

Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Clapham. No obligation fre...

From £9,976

Last active Sep 26
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A to Z Builders Ltd

A to Z Builders Ltd are here to help customers who need an Extension Builder in Clapham. We offer a competitive rate to complete all your extension...

Outbuilding cost in Clapham

Estimates for outbuilding near Clapham

Outbuilding costs in Clapham range from the cheapest of £9,976 (A to Z Builders Ltd based in SW1P) to the dearest of £11,024 (Buci builders ltd based in SE27), 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 Clapham by posting a job with HaMuch and we will send it to extension builders.


Estimates for common extension builder jobs in Clapham;

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...