Extend your Cowes 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 Cowes? To see prices and availability for your job click green button.

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From £22,192

Last active Sep 26
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A W PAVING LTD

Anthony Withey

Trusted and professional extension builder in Cowes. Experienced in all extension buildering work and keeping within budget and on quote. A W PAVIN...

From £21,976

Last active Jul 26
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O NEILL CONSTRUCTION LTD

O NEILL CONSTRUCTION LTD is an established extension buildering business in Cowes. We come highly recommended and provide competitive quotes for yo...

From £21,936

Last active Jul 26
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Peter Fenn Property

Peter Fenn Property is a trusted extension builder serving customers in Cowes and the surrounding area. Contact us to today to get a competitive qu...

From £21,920

Last active Jul 26
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M.K Warner Building Services

M.K Warner Building Services is an established extension buildering business in Cowes. We come highly recommended and provide competitive quotes fo...

From £21,928

Last active Apr 26
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MA Builders

Relax... you have found a reliable extension builder in Cowes. MA Builders is a friendly and reliable company based in Cowes who consider no job as...

From £21,880

Last active Apr 26
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P D Builders

P D Builders is an established and experienced local extension builder in Cowes. Please contact us for a free, no obligation quote and competitive ...

From £21,752

Last active Apr 26
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Allweather Building Services Ltd

Allweather Building Services Ltd are here to help customers who need an Extension Builder in Cowes. We offer a competitive rate to complete all you...

From £22,024

Last active Apr 26
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STONEHAM CONSTRUCTION LIMITED

Experienced extension builder ready to quote for your work. STONEHAM CONSTRUCTION LIMITED is the best extension builder in Cowes. No obligation fre...

From £21,936

Last active Apr 26
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DG Builder

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

From £22,016

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HISTORIC BUILD RESTORATION LTD

HISTORIC BUILD RESTORATION LTD are here to help customers who need an Extension Builder in Cowes. We offer a competitive rate to complete all your ...

Flat roof extension cost in Cowes

Estimates for build a flat roof extension near Cowes

A flat roof extension ranges from the cheapest of £21,752 (Allweather Building Services Ltd based in PO12) to the dearest of £22,192 (A W PAVING LTD based in SO31), 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 Cowes by posting a job with HaMuch. We'll send it to extension builders in Cowes.


Estimates for common extension builder jobs in Cowes;

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...