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Class 1a buildings are typically detached residential houses and also include attached townhouses, row-houses and villas. A Class 1a dwelling cannot be located above another dwelling or class of building.
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Class 1b buildings are typically small guesthouses, boarding houses or similar. If a guest house, boarding house or similar does not meet the requirements for a Class 1b building, then they are considered a Class 3.
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Class 2 buildings are typically apartment blocks for residential use, for a more complete definition refer to Clause A3.2 of the Building Code of Australia.
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Class 3 buildings are typically building where unrelated people may live such as boarding houses, motels and residential parts of hotels. For a more complete definition refer to Clause A3.2 of the Building Code of Australia.
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Class 4 buildings are typically a single dwelling in a Class 5, 6, 7, 8, or 9 building such as the caretaker’s residence. For a more complete definition refer to Clause A3.2 of the Building Code of Australia.
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Class 5 buildings are typically buildings used for commercial or professional services such as offices. For a more complete definition refer to Clause A3.2 of the Building Code of Australia.
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Class 6 buildings are typically shops for the supply of goods and services to the public, including café’s, restaurants, hairdressers and retail tenancies. For a more complete definition refer to Clause A3.2 of the Building Code of Australia.
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Class 7a buildings are typically buildings used for carparking for any number of vehicles more than 3. For a more complete definition refer to Clause A3.2 of the Building Code of Australia.
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Class 7b buildings are typically referred to as storage warehouse buildings, and wholesale buildings for the display of goods or produce. For a more complete definition refer to Clause A3.2 of the Building Code of Australia.
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Class 8 buildings are typically buildings used as ‘factories’. For a more complete definition refer to Clause A3.2 of the Building Code of Australia.
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Class 9a buildings are typically health care buildings, including public or private hospitals, nursing home or similar for sick or disabled people requiring full time care and Clinics.
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Class 9b buildings are typically buildings considered assembly buildings. These typically include Public halls, theatres & churches; Schools; Clubs, nightclubs, sporting complexe; and Transport buildings such as train stations, and airports.
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Class 9c buildings are ‘aged care buildings’, which are defined by the BCA as being a ‘building for residential accommodation of aged persons’, who generally require personalised care.
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Class 10a buildings are non-habitable buildings such as sheds, garages and carports.
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Class 10b are non-habitable structures being a fence, mast antenna, retaining walls, swimming pools or similar.