On 30 September 2022, Standards Australia published a new version of AS/NZS 5601.1 Gas Installations part 1: General installations. In Western Australia, full compliance with the new version is required from 30 March 2023, except for clause 5.2.11 which is now subject to a variation notice issued by the Director of Energy Safety.

WA has banned the sale of open-flued gas space heaters that lack safety shutdown features. This includes new and second hand heaters.

A Plumbers Technical Note from Building and Energy has confirmed the new Plumbing Code of Australia (PCA) will come into effect in WA on 1 May 2023.