Cost to build a flat roof extension in RM20

Build a flat roof extension cost in RM20 - Sort by rates or availability

Flat roof extension cost in RM20

Estimates for build a flat roof extension near RM20

A flat roof extension ranges from the cheapest of £21,936 (Renewvate based in RM17) to the dearest of £22,392 (The England Team based in RM16), 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 RM20 by posting a job with HaMuch. We'll send it to extension builders in RM20.

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Borough in London
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Estimates for common extension builder jobs in RM20;

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.