be positioned according to the requirements of the Building Code of Australia, and
comply with AS3786 (from 1 May 2017 all newly installed smoke alarms must comply with AS3786:2014), and
be permanently connected to consumer mains power where it is supplied to the building, and
be interconnected, if your home was newly built after the 1 May 2015.
If you are planning to sell, rent or hire your home, smoke alarms must also be:
in working order, and
less than 10 years from the date of installation.
In SINGLE-LEVEL homes smoke alarms must be installed on or near the ceiling:
in all hallways leading to bedrooms, or
where there is no hallway, in an area near the bedrooms.
In MULTI-LEVEL homes smoke alarms must be installed:
on each level containing bedrooms (see instructions for a single level home), and
on every other level not containing bedrooms, even if they consist only of bathrooms, laundries, carparking etc. The favoured location for the smoke alarm is in the path of travel people will most likely take to evacuate the building, such as on a wall or ceiling in the stairway.
Small guest houses and boarding houses (with less than 12 occupants) are required to have smoke alarms installed on or near the ceiling:
In every bedroom, and
In every corridor or hallway associated with a bedroom, or if there is no corridor or hallway, in an area near the bedrooms, and
On each level of the building.
A system of lighting must also be installed to assist evacuation of occupants in the event of a fire. The lighting must be activated by the smoke alarm and consist of:
A light incorporated in the smoke alarm, or
The lighting located in the corridor, hallway or area served by the smoke alarm.