Cost to build an outbuilding in TW20

Outbuilding cost in TW20

Outbuilding costs in TW20 range from the cheapest of £10,160 (EGPM LTD based in TW20) to the dearest of £10,464 (Kandy Build and Construction Ltd based in TW20), 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 TW20 by posting a job with HaMuch and we will send it to extension builders.

"Outbuilding" - STAINES-UPON-THAMES, job posted 08/06/25

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Borough in London
Outbuilding in Egham
Outbuilding in Staines
Outbuilding in Virginia Water
Outbuilding in Stanwell
Outbuilding in Chertsey
Outbuilding in Ashford
Outbuilding in Windsor
Outbuilding in Shepperton
Outbuilding in Addlestone
Outbuilding in Colnbrook

Estimates for common extension builder jobs in TW20;

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.