Cost to build a flat roof extension in RM18

Build a flat roof extension cost in RM18 - Sort by rates or availability

Flat roof extension cost in RM18

Estimates for build a flat roof extension near RM18

A flat roof extension ranges from the cheapest of £21,880 (CIA Construction Limited based in RM18) to the dearest of £22,376 (C & B Multi-Trader 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 RM18 by posting a job with HaMuch. We'll send it to extension builders in RM18.

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Borough in London
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Estimates for common extension builder jobs in RM18;

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.