Smoke Alarms Existing Homes
FOR EXISTING HOMES
When replacing smoke alarms, they must be
of a photoelectric type which complies with
Australian Standard (AS) 3786-2014.
Replacing smoke alarms
Existing smoke alarms manufactured more
than ten years ago must be replaced. (Note:
Smoke alarms should have the date of
manufacture stamped on them.)
Smoke alarms that do not operate when
tested must be replaced immediately.
Existing hardwired smoke alarms that
need replacement must be replaced with a
hardwired smoke alarm.
From 1 January 2027
Smoke alarms in all dwellings must:
i) Be photoelectric (AS 3786-2014); and
ii) Not also contain an ionisation sensor; and
iii) Be less than 10 years old; and
iv) Operate when tested; and
v) Be interconnected with every other smoke alarm in the
dwelling so all activate together.
Smoke alarms must be installed on each storey:
i) In each bedroom; and
ii) In hallways which connect bedrooms and the rest of the
iii) If there is no hallway, between the bedrooms and other parts
of the storey; and
iv) If there are no bedrooms on a storey at least one smoke alarm
must be installed in the most likely path of travel to exit the
Smoke alarms must be either hardwired or powered by a non-
removable 10-year battery.