Extend your TW7 with an extension

A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in TW7? To see prices and availability for your job click green button.

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From £22,416

Last active Nov 26
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Andy Harris Construction

Andy Harris

Andy Harris Construction is an established and experienced local extension builder in TW7. Please contact us for a free, no obligation quote and co...

From £22,248

Last active Oct 26
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Slick Construction Ltd

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

Slick Construction Ltd provides a local, trusted extensi...

From £22,152

Last active Oct 26
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Hawaii Ltd

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

From £22,224

Last active Oct 26
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Image Design & Consultants

Image Design & Consultants is a trusted extension builder serving customers in TW7 and the surrounding area. Contact us to today to get a competiti...

From £21,896

Last active Oct 26
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Tota Builders

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

From £21,904

Last active Sep 26
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Elite Construction London Ltd

Elite Construction London Ltd

Elite Construction London Ltd has been one of the top providers of building and remodeling services in London for more than ten years.Our goal is ...

From £22,360

Last active Sep 26
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JP CONSTRUCTION

JP CONSTRUCTION is an established extension buildering business in TW7. We come highly recommended and provide competitive quotes for your work.

From £22,392

Last active Sep 26
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BUILDING ANGELS LTD

BUILDING ANGELS LTD is an established extension buildering business in TW7. We come highly recommended and provide competitive quotes for your work...

From £22,344

Last active Sep 26
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Kacmar Building Service

Trusted and professional extension builder in TW7. Experienced in all extension buildering work and keeping within budget and on quote. Kacmar Buil...

From £21,896

Last active Sep 26
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RAF Construction Solutions

RAF Construction Solutions is an established and experienced local extension builder in TW7. Please contact us for a free, no obligation quote and ...

Flat roof extension cost in TW7

Estimates for build a flat roof extension near TW7

A flat roof extension ranges from the cheapest of £21,896 (Tota Builders based in TW2) to the dearest of £22,416 (Andy Harris Construction based in TW9), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes. 

Find out how much your flat roof extension will cost in TW7 by posting a job with HaMuch. We'll send it to extension builders in TW7.


Estimates for common extension builder jobs in TW7;

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...