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Find out more1 March 2023
For existing plots where foundations were concreted prior to 1 January 2023, previous NHBC standards apply, and the new Guidance does not need to be met.
For new and existing plots where the foundations have been concreted after 1 January 2023, but the floors have been supplied, stored or ordered prior to this date, acceptance of floors designed to previous NHBC Standards will be accepted until 30 June 2023. From 1 July 2023, all new floors should meet the new requirements.
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