Extend your Mitchell 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 Mitchell? To see prices and availability for your job click Get quotes.

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

From £21,888

(last active 07/03/26)
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Elements Build SW Ltd

Elements Build SW Ltd is an established and experienced local extension builder in Mitchell. Please contact us for a free, no obligation quote and ...

From £21,888

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HANDLEY BUILDERS

HANDLEY BUILDERS is an established and experienced local extension builder in Mitchell. Please contact us for a free, no obligation quote and compe...

From £21,944

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MYSA

Creative Carpentry and Design Studio based in Newquay, Cornwall.

From £21,632

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KC DESIGN AND BUILD

Relax... you have found a reliable extension builder in Mitchell. KC DESIGN AND BUILD is a friendly and reliable company based in Mitchell who cons...

From £21,672

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A Collins Building Contractor

A Collins Building Contractor is a trusted extension builder serving customers in Mitchell and the surrounding area. Contact us to today to get a c...

From £21,704

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Cannon and Son Ltd.

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

From £21,704

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Cannon and Son Ltd.

From start to finish, your project will be undertaken by one of the family, providing the utmost care and quality of workmanship. We’ll work with...

Flat roof extension cost in Mitchell

Estimates for build a flat roof extension near Mitchell

A flat roof extension ranges from the cheapest of £21,632 (KC DESIGN AND BUILD based in TR2) to the dearest of £21,944 (MYSA based in TR7), 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 Mitchell by posting a job with HaMuch. We'll send it to extension builders in Mitchell.


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Estimates for common extension builder jobs in Mitchell;

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.

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