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

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From £22,160

Last active Aug 26
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S JOYCE BUILDING

S JOYCE BUILDING are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your extension b...

From £21,760

Last active Apr 26
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ASHWIN CONSTRUCTION

Relax... you have found a reliable extension builder in Somerset. ASHWIN CONSTRUCTION is a friendly and reliable company based in Somerset who cons...

From £22,072

Last active Mar 26
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BURNELL BUILDERS LTD

BURNELL BUILDERS LTD is an established extension buildering business in Somerset. We come highly recommended and provide competitive quotes for you...

From £22,200

Last active Mar 26
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CETH CONSTRUCTION LTD

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

From £22,032

Last active Mar 26
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BEECH BUILDERS (BATH) LTD

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

From £22,184

Last active Feb 26
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BEANACRE BUILDERS LTD

BEANACRE BUILDERS LTD are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your extens...

From £21,944

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FAULKLAND CONSTRUCTION LTD

FAULKLAND CONSTRUCTION LTD are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your e...

From £21,960

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M K J Construction Ltd

M K J Construction Ltd are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your exten...

From £21,904

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HOLBROOK CONSTRUCTION

HOLBROOK CONSTRUCTION are here to help customers who need an Extension Builder in Somerset. We offer a competitive rate to complete all your extens...

From £24,432

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Adams Of Bath Property Services

Christopher Adams

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Flat roof extension cost in Somerset

Estimates for build a flat roof extension near Somerset

A flat roof extension ranges from the cheapest of £21,760 (ASHWIN CONSTRUCTION based in BS30) to the dearest of £24,432 (Adams Of Bath Property Services based in BA2), 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 Somerset by posting a job with HaMuch. We'll send it to extension builders in Somerset.


Estimates for common extension builder jobs in 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...