An urgent warning has been issued to all Australians after a household item designed to save lives was recently found to be the very cause of a dangerous house fire.
Firefighters from a New South Wales Fire and Rescue station were recently called to a house fire, only to uncover that the ignition source was smoke alarm that was a staggering 25 years past its expiry date.
The incident, shared by the station on social media, sparked widespread concern and disbelief. “Ironically, the one thing designed to save you also tried to kill you,” one commenter noted, while another added, “How ironic, a smoke detector that could start a fire. This is the reason they have expiry dates.”
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Fire safety specialists say the incident underscores a broader problem: outdated or poorly maintained alarms can be as dangerous as having none at all.
Fire and Rescue NSW data shows crews attended more than 3300 house fires in 2025, resulting in 29 deaths and over 360 injuries.
Firefighters from a Fire and Rescue Station in New South Wales were recently called to a residential blaze, only to discover that a fire alarm, 25 years out of date, was to blame. Source: Fire and Rescue NSW
In nearly half of those incidents, there was either no alarm installed or the device failed to activate.
Additionally, properties that fail to meet requirements may face penalties of up to 0.15 per cent of the contract price at settlement, alongside reduced market appeal.
Cathy Brand, CEO of Brooks Australia, a leading provider of residential smoke alarm systems, highlighted the widespread complacency.
“The latest data reflects that, despite many of us having smoke alarms installed in our
homes, a significant number of us aren’t doing the necessary maintenance or checks to ensure fire and smoke alarms are doing their job – saving lives,” she said.
“A faulty alarm is just as dangerous as no alarm at all, so it is essential Australians are making a point of checking their alarms regularly to protect themselves and their families.
“A shift in mindset is needed because all it takes is five minutes. Yet, with busy schedules
and family life, it so often gets dumped to the bottom of the priority list.”
In 2025, Fire and Rescue NSW attended more than 3,300 house fires, resulting in 29 deaths and over 360 injuries.
Experts recommend that smoke alarms should be replaced every 10 years.
Yet, countless Australian households continue to rely on devices well beyond this critical lifespan, unknowingly harbouring a potential fire risk within their homes.
The good news is that maintaining smoke alarms is surprisingly simple.
Firefighters on the front line advise testing alarms monthly and cleaning them every six months to remove dust, insects, and cobwebs that can impede their function. These quick checks each take less than 10 seconds.
For models with replaceable batteries, an annual change is crucial, and experts warn against waiting for the familiar low-battery beep.
“It is recommended that you change the battery every year before this occurs, especially if you do not want to be woken in the early hours of the morning,” Ms Brand advised.
Fire and Rescue NSW also offers free Home Fire Safety Visits, where crews can inspect and even replace outdated alarms at no cost.
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