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Last edited 14 Apr 2022
Approved document B, Fire Safety, Volume 2 – Buildings other than dwellinghouses, includes classifications of purpose groups for which buildings or compartments of a building are intended to be used.
It defines residential purpose groups as:
- Dwellinghouse that contains a habitable storey with a floor level a minimum of 4.5m above ground level up to a maximum of 18m.
- Dwellinghouse that does not contain a habitable storey with a floor level a minimum of 4.5m above ground level.
- People suffering from disabilities due to illness or old age or other physical or mental incapacity
- People under the age of 5 years.
- A place of lawful detention.
A building should be regarded as residential building when more than half of the floor area is used for dwelling purposes. Other buildings should be regarded as non-residential. Two types of residential buildings can be distinguished:
- houses (ground-oriented residential buildings): comprising all types of houses (detached, semi- detached, terraced houses, houses built in a row, etc.) each dwelling of which has its own entrance directly from the ground surface;
- other residential buildings: comprising all residential buildings other than ground-oriented residential buildings as defined above.
NB The Scottish Building Standards, Part I. Technical Handbook – Domestic, Appendix A Defined Terms, defines a residential building as: ‘…a building, other than a domestic building, having sleeping accommodation.’
- Definition of institution.
- Domestic building.
- Flat definition.
- Housing stock / building stock.
- Private sector residential building.
- Proposed changes: MHCLG consultation on house building statistics.
- Room for residential purposes.
- Shared residential accommodation.
- Sheltered housing definition.
- Shop definition.
- Terraced house.
- Types of building.
- Types of dwelling.
- Use class.
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