Quick question. When did you last check your smoke alarms?
If you’re like most Brisbane homeowners, the answer is “I’m not sure.” Maybe never. And that’s a problem, because Queensland’s smoke alarm laws are about to reach their final stage. By 1 January 2027, every single home in this state must have interconnected, photoelectric smoke alarms. Not just rentals. Not just homes for sale. Every home.
This isn’t a new law that snuck up on us. It’s actually been rolling out in stages since 2017. But the last big deadline is closing in fast, and a lot of homeowners still don’t know it applies to them too, not just landlords.
Let’s break it down in plain English.
What Does "Interconnected" Actually Mean?
Picture this. A fire starts in your back bedroom late at night. With old-style smoke alarms, only the alarm in that room goes off. If everyone’s asleep at the other end of the house, they might not hear it in time.
Interconnected alarms fix that. When one alarm detects smoke, every alarm in the house goes off at the same time, no matter which room it’s in. So if smoke is picked up in the laundry, the alarm in your bedroom screams too. That extra warning time is the whole point of the law.
They also have to be photoelectric. That’s just a fancy word for the type of sensor inside. Photoelectric alarms are better at picking up smouldering, smoky fires early, which are actually the most common (and most dangerous) type of house fire at night.
Older ionisation alarms, the kind a lot of us grew up with, don’t cut it anymore. If that’s what’s on your ceiling right now, it’s not compliant.
Why Did Queensland Change the Rules?
Back in 2017, the government looked hard at how people were dying in house fires. The pattern was clear: most deaths happened while people were asleep, and standard smoke alarms just weren’t giving people enough warning.
So the Queensland government brought in tougher rules, step by step, to give homeowners time to catch up:
- New homes built after the law started had to comply straight away.
- Homes sold or leased from 1 January 2022 needed compliant alarms before the sale or new tenancy.
- Every remaining home (basically, owner-occupied houses that haven't sold or been rented) has until 1 January 2027.
That last date is the one most people haven’t caught up on yet.
Wait, Does This Apply to Me Right Now?
Here’s where people get confused. A lot of Brisbane homeowners think, “I’m not selling or renting, so this doesn’t apply to me yet.” Technically, that’s true, for now. You’ve got until the 2027 deadline if you’ve owned and lived in your home the whole time.
But here’s the catch. If any of these apply to you, you likely need compliant alarms already, not in 2027:
- You've sold your home since January 2022
- You've leased it out, even to family
- You've done a big renovation
- You're building new
If none of those apply, you’re not off the hook. You’re just on a countdown. And here’s a tip from experience: leaving it to the last minute is exactly what everyone does, and exactly why electricians get flooded with calls in December 2026.
The 10-Year Rule Nobody Talks About
There’s a second part of this law that catches people out. Even if your smoke alarms look fine, they might not be legal.
Every smoke alarm has a manufacture date stamped on the back. Once an alarm hits 10 years old, it’s automatically considered expired under Queensland law. Doesn’t matter if the light still flashes or the test button still beeps. It has to be replaced.
So if you’ve never actually flipped your alarm over and checked the date, that’s step one. A lot of homes we visit in Brisbane still have alarms from the 2000s quietly sitting on the ceiling, well past their use-by date.
Selling Your Home? Meet Form 24
If you’re planning to sell, there’s a paperwork side to this too. Updated seller contracts now require you to formally declare your smoke alarm compliance status before settlement. This is known as the Form 24 declaration.
In plain terms: your conveyancer or agent is going to ask you, in writing, whether your alarms meet the current standard. Get it wrong, or skip it, and it’s not just a safety issue anymore. It becomes a legal and contractual one too. Buyers, agents, and lawyers are paying closer attention to this than ever.
What Happens If You Don't Comply?
Let’s be honest about this, because scare tactics don’t help anyone. Nothing dramatic happens on 2 January 2027 if your alarms aren’t sorted. There’s no smoke alarm police doing letterbox drops.
The real risk shows up at the moments that matter most:
- If you sell, non-compliance can delay settlement or create legal headaches.
- If you rent the place out, you're already required to be compliant, and non-compliance can affect your ability to lease it at all.
- If there's ever a fire, and your alarms are old, ionisation-type, or not interconnected, you and your family have less warning time. That's the part that actually matters.
Insurance claims can also get messy if a fire investigation finds your smoke alarms weren’t compliant. It’s not guaranteed to affect a payout, but it’s not a conversation you want to be having after a fire.
How Many Alarms Do You Actually Need?
The rule of thumb under the legislation is:
- One in every bedroom
- One in every hallway that connects bedrooms to the rest of the house
- One on every level of the home, even if there are no bedrooms on that level
For a typical Brisbane three-bedroom home, that usually works out to somewhere between four and six alarms, all wired to talk to each other.
Can You DIY This, or Do You Need an Electrician?
Technically, you can buy interconnected alarms and battery-powered wireless versions yourself. But there’s a catch most people miss: if your alarms need to be hardwired into your home’s electrical system (which is common in older Queenslanders and highsets), that part is not a DIY job. It needs a licensed electrician.
Even with wireless options, getting the interconnection working properly, and placed in exactly the right spots to meet the standard, is easy to get wrong. And if it’s wrong, you’re not actually compliant, even if you think you are.
This is one of those jobs where getting it checked properly the first time saves you from redoing it later, especially with the 2027 deadline creeping closer every month.
The Bottom Line
Queensland’s smoke alarm law isn’t going away, and the final deadline is closer than it feels. If you’re not sure whether your home is compliant, the fastest way to find out is to have someone check it properly rather than guess.
At CM Electrical, we install and upgrade interconnected photoelectric smoke alarms across Brisbane homes every week, for owner-occupiers getting ahead of 2027, landlords staying compliant, and sellers who need it sorted before settlement. It’s usually a quicker, more affordable fix than people expect.
Not sure if your home meets the standard? Get in touch with our team or call us on 1300 788 893 for a straightforward chat about what your home needs.
