Extend your TW8 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 TW8? 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 TW8. Please contact us for a free, no obligation quote and co...

From £22,192

Last active Oct 26
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AG-Renovation Ltd

AG-Renovation Ltd is a trusted extension builder serving customers in TW8 and the surrounding area. Contact us to today to get a competitive quote ...

From £21,904

Last active Sep 26
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Elite Construction London Ltd

Elite Construction London Ltd

Location

Brentford, TW8

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 £21,952

Last active Sep 26
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Global Building & Designs Ltd

Global Building & Designs Ltd is an established and experienced local extension builder in TW8. Please contact us for a free, no obligation quote a...

From £22,184

Last active Sep 26
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Vision Refurbishments Ltd.

Mick Shehabi

Vision Refurbishments Ltd. brings over 10 years of experience in building and construction, including interior and exterior renovations, painting, ...

From £22,136

Last active Sep 26
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Polish Builders Union Ltd

Need an Extension Builder in TW8? Polish Builders Union Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for...

From £22,392

Last active Sep 26
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BUILDING ANGELS LTD

Location

Brentford, TW8

BUILDING ANGELS LTD is an established extension buildering business in TW8. We come highly recommended and provide competitive quotes for your work...

From £22,192

Last active Sep 26
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PJS Building & Maintenance Ltd

PJS Building & Maintenance Ltd is a trusted extension builder serving customers in TW8 and the surrounding area. Contact us to today to get a compe...

From £22,344

Last active Sep 26
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Kacmar Building Service

Location

Brentford, TW8

Trusted and professional extension builder in TW8. 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 TW8. Please contact us for a free, no obligation quote and ...

Flat roof extension cost in TW8

Estimates for build a flat roof extension near TW8

A flat roof extension ranges from the cheapest of £21,896 (RAF Construction Solutions based in TW8) 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 TW8 by posting a job with HaMuch. We'll send it to extension builders in TW8.


Estimates for common extension builder jobs in TW8;

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...