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

HaMuch is Excellent

Build a flat roof extension cost in North Somerset - Sort by rates or availability

From £22,040

Last active Oct 26
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Clayton Construction (WSM) Ltd

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

From £21,768

Last active Oct 26
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Jeremy Blythe

Trusted and professional extension builder in North Somerset. Experienced in all extension buildering work and keeping within budget and on quote. ...

From £21,944

Last active Oct 26
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Sunnyside Property Developments

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

From £21,880

Last active Oct 26
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Piotr Building & Decorations

Looking for an Extension Builder near North Somerset for all your extension buildering jobs?

Piotr Building & Decorat...

From £21,840

Last active Sep 26
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MOORLAND DESIGN & BUILD LTD

MOORLAND DESIGN & BUILD LTD are here to help customers who need an Extension Builder in North Somerset. We offer a competitive rate to complete all...

From £21,728

Last active Sep 26
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Neil Causon & Son

Neil Causon & Son is an established and experienced local extension builder in North Somerset. Please contact us for a free, no obligation quote an...

From £22,208

Last active Sep 26
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FEATHERBED CONSTRUCTION

FEATHERBED CONSTRUCTION is a trusted extension builder serving customers in North Somerset and the surrounding area. Contact us to today to get a c...

From £22,128

Last active Aug 26
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CLARKE BUILDING:ROOFING

Colin Clarke

Colin Clarke building:roofing has been successfully in business for 30 years. A vast amount of skills and knowledge has been gained and used to cre...

From £22,216

Last active Jul 26
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D C CONSTRUCTION

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

From £21,688

Last active Jul 26
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PORTCLIFF BUILDING SERV LTD

PORTCLIFF BUILDING SERV LTD is an established extension buildering business in North Somerset. We come highly recommended and provide competitive q...

Flat roof extension cost in North Somerset

Estimates for build a flat roof extension near North Somerset

A flat roof extension ranges from the cheapest of £21,688 (PORTCLIFF BUILDING SERV LTD based in BS21) to the dearest of £22,216 (D C CONSTRUCTION based in BS40), 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 North Somerset by posting a job with HaMuch. We'll send it to extension builders in North Somerset.


Estimates for common extension builder jobs in North Somerset;

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...