The Building Code of Australia ("BCA") is a nationally consistent technical document that represents the level of safety that meets community expectations. Compliance with the BCA is the responsibility of local government authorities.
The BCA provides a classification system for a building or part of a building and is determined by the purpose for which it is designed, constructed or adapted to be used.
|Building Class||Type of building|
|Class 1||Class 1a - a single dwelling being
|Class 2||a building containing 2 or more sole-occupancy units each being a separate dwelling.|
|Class 3||Backpacker accommodation, residential parts of hotels or motels, residential parts of schools, accommodation for the aged, disabled or children a residential building, other than a building of Class 1 or 2, which is a common place of long term or transient living for a number of unrelated persons, including -
|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 sale of goods by retail or the supply of services direct to the public, including?
Class 7a - a carpark; or
Class 7b - for storage, or display of goods or produce for sale by 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 - a health-care building, including those parts of the building set aside as a laboratory; or
Class 9b - an assembly building, including a 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; or
Class 9c - an aged care building.
Class 10a - a non-habitable building being a private garage, carport, shed, or the like; or
Class 10b - a structure being a fence, mast, antenna, retaining or free-standing wall, swimming pool, or the like.
Class 10c — a private bushfire shelter.