Internal occupied space
The Home Quality Mark One, Technical Manual SD239, England, Scotland & Wales, published by BRE in 2018, defines internal functional space as:
Internal occupied space, including:
BREEAM UK New Construction, Non-domestic Buildings (United Kingdom), Technical Manual, SD5078: BREEAM UK New Construction 2018 3.0, published by BRE Global Limited, defines occupied space at: 'A room or space within the assessed building that is likely to be occupied for 30 minutes or more by a building user.'
Areas with a large and unpredictable occupancy include:
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