Building Classifications

Building Classifications

A building or structure is classified in accordance with the purpose for which it is designed, constructed or adapted to be used. 

Classification Definition

Class 1a

Single dwelling house

Class 1b

Boarding or guest house, hostel with a total floor area not exceeding 300m2 and not more than 12 occupants

Class 2

A building containing 2 or more sole-occupancy unit each being a separate dwelling

Class 3

A residential building which is a place of long term or transient living for a number of unrelated persons eg backpacker accommodation, guest house, hostel or boarding house; residential part of a hotel or motel; residential part of a school; accommodation for the aged, children or people with a disability; residential part  of a health care building which accommodates staff; a residential part of a detention centre

Class 4

A dwelling in a building that is class 5, 6, 7, 8, or 9 if it is the only dwelling in the building

Class 5

An office building used for professional or commercial purposes, excluding buildings of Class 6, 7, 8 or 9

Class 6

A shop or other building for the sake if goods by retail or the supply of services direct to the public

Class 7a


Class 7b

Storage or display of goods or produce for wholesale

Class 8

A laboratory, or a building in which a handicraft or process for the production, assembling, altering, repairing, packing, finishing or cleaning of goods or produce is carried on for trade, sale, or gain

Class 9a

Health-care building

Class 9b

Assembly building including trade workshop, laboratory or the like in a primary or secondary school, but excluding any other parts of the building that are of another class

Class 9c

Aged care building

Class 10a

Non-habitable structure being a private garage, carport or shed

Class 10b

Structure such as a mast, antenna, fence, retaining wall or free standing wall or a swimming pool

Class 10c

Private bushfire shelter


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