Since January 1, 2022, all smoke alarms within rental and sold properties must either be hardwired to an electrical sub-circuit with a backup battery or be powered by a standalone, non-removable, internal battery rated for 10 years of use along with a number of other requirements listed at the top of the page.
As of January 1, 2027, all owner-occupied properties in Queensland must also comply.
Note: Although AS 3786:2023 was introduced on 17 February 2023, compliance with AS 3786:2014 remains the current legal requirement until the National Construction Code (NCC) is updated to reference the updated standard.