Cost to build a flat roof extension in Harley Street

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Flat roof extension cost in Harley Street

Estimates for build a flat roof extension near Harley Street

A flat roof extension ranges from the cheapest of £21,928 (BPS Building based in NW6) to the dearest of £24,320 (Reid and Co Developments Ltd based in NW8), 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 Harley Street by posting a job with HaMuch. We'll send it to extension builders in Harley Street.

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Estimates for common extension builder jobs in Harley Street;

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.