Cost to build a flat roof extension in Barnes

Flat roof extension cost in Barnes

Estimates for build a flat roof extension near Barnes

A flat roof extension ranges from the cheapest of £22,160 (AVIB City Construction Ltd based in SW19) to the dearest of £23,840 (1st & 2nd Fix Vasconstruct based in W12), 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 Barnes by posting a job with HaMuch. We'll send it to extension builders in Barnes.

"Flat roof extension for a period mews terraced house. We'd like a bedroom extension with full bathroom and a roof top terrace. Footprint is roughly 8.5m x 6m." - W6, job posted 10/06/24

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Estimates for common extension builder jobs in Barnes;

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.