Cost to build an outbuilding in DA5

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Outbuilding cost in DA5

Outbuilding costs in DA5 range from the cheapest of £9,864 (AJP BUILDING SERVICES based in DA7) to the dearest of £10,352 (R Tredget & Son based in DA15), but these are just estimates.

Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.

Get rates and quotes to build an outbuilding in DA5 by posting a job with HaMuch and we will send it to extension builders.

"Outbuilding" - SIDCUP, job posted 11/12/25

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Borough in London
Outbuilding in Bexley
Outbuilding in Bexleyheath
Outbuilding in Barnehurst
Outbuilding in Sidcup
Outbuilding in Bexley
Outbuilding in Welling
Outbuilding in Dartford
Outbuilding in Crayford
Outbuilding in Swanley
Outbuilding in Belvedere

Estimates for common extension builder jobs in DA5;

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.