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Installation and Upkeep

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For minimum protection, install a smoke alarm outside each bedroom or sleeping area in your home. If you live in a house with more than one level, install a smoke alarm on each level. It is preferable to have smoke alarms interconnected. Some types of smoke alarms can be interconnected to each other, so that if one alarm sounds the other alarms also activate.

Houses with a children's wing need interconnected alarms linking to an alarm near an adult's bedroom. Studies have shown 85 per cent of sleeping children do not wake to the sound of a smoke alarm.

It is the responsibility of the landlord to ensure smoke alarms are installed in rental properties.

Follow the manufacturer's instructions when installing smoke alarms.

On a ceiling
Smoke alarms should be located in the centre of the ceiling. If it cannot be located here it should be located 300mm from any cornice or wall.

On a wall
Smoke alarms should be located 300mm - 500mm from the ceiling.

On a cathedral ceiling or sloping ceiling
Smoke alarms should be located 500mm - 1500mm from the highest point.

  • Avoid drafts: Do not install smoke alarms near windows, doors or air ducts where drafts could affect alarm sensitivity
  • Avoid dead air spaces: A dead air space is an area in which trapped hot air will prevent smoke from reaching the alarm. This generally occurs at the apex of cathedral or sloping ceilings, the corner junction of walls and ceilings, and between exposed floor joists.

The Building Commission has further information on installing smoke alarms.


Smoke alarms need love, too!

Despite the regulations, research suggests only 45 per cent of properties attended by fire services had smoke alarms and, of those, 31 per cent were not working.
You can ensure your smoke alarm is constantly protecting your family by keeping it in good working order.

  • Test it monthly by pushing the test button to make sure it beeps
  • Dust the alarm with a vacuum cleaner brush
  • Change the battery at least once a year.
  • If your smoke alarm is more than 10 years old, change your smoke alarm to a new unit with a lithium battery with a 10 year lifespan.

House fires occur more frequently during the winter months, and making sure you go in to winter with a working smoke alarm makes good sense.
If you have a hard-wired smoke alarm, these still have a battery as a back-up and the battery needs to be changed as well.  

Smoke alarms don't last forever

Smoke alarms have a lifespan of about 10 years. After that, you should replace them.
Most smoke alarms have a use-by date printed on them. If your alarm is still beeping after you have changed its battery, it should be replaced with a photo-electric model.
New photoelectric smoke alarms with a long lasting lithium battery have a 10 year lifespan to ensure you and your family can feel the highest level of security.

What to do when a smoke alarm goes off

It is vital you know what to do if a fire occurs. Follow these simple rules to plan how you would escape a fire in your home and practice it with the whole family.

  1. Get down low and stay out of smoke
  2. If it’s safe, close doors on your way out to slow down the spread of fire and smoke.
  3. Alert other people on your way out of the building
  4. Get out and stay out
  5. Meet at a safe place such as the letterbox outside of your home
  6. Call 000 (triple zero) from a mobile phone or a neighbours phone. Ask for FIRE

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