Extend your Rochester-upon-medway 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 Rochester-upon-medway?

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Build a flat roof extension cost in Rochester-upon-medway

D C BUILDING SERVICES

From £22,864

(last active 17/09/26)

Family run business established since 2004 

large or small we build them all

Flat roof extension cost in Rochester-upon-medway

Estimates for build a flat roof extension near Rochester-upon-medway

A flat roof extension ranges from the cheapest of £22,864 (D C BUILDING SERVICES based in TD9) to the dearest of £22,864 (D C BUILDING SERVICES based in TD9), 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 Rochester-upon-medway by posting a job with HaMuch. We'll send it to extension builders in Rochester-upon-medway.


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Estimates for common extension builder jobs in Rochester-upon-medway;

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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