Western Australian Current Regulations Western Australian Current Regulations The owner of a
dwelling which consists of, or forms part of, a building of Class I, IA, II or
IV Occupancy under the Uniform Building By‑laws shall provide on the
premises, for the use of the occupants thereof, a bathroom which has a floor
area and minimum width in accordance with the requirements of the Uniform
Building By‑laws, and which is equipped with a wash basin and either a
shower bath or plunge bath.