Queensland’s smoke alarm laws have been rolling out in stages for a decade, and most people have encountered them only when selling or renting out a property. That changes on 1 January 2027, when the final stage takes effect and every domestic dwelling in Queensland must have interconnected photoelectric smoke alarms — including homes that are simply lived in by their owners and have never been on the market.
With roughly four months to go, this is the point at which to check what you actually have on your ceilings. Electricians and smoke alarm installers become considerably harder to book as a deadline approaches.
Where These Rules Come From
The requirements were introduced following the 2011 Slacks Creek house fire, in which 11 people died, including eight children. Queensland Parliament responded with a staged program requiring interconnected photoelectric alarms throughout all Queensland homes.
Those obligations now sit in the Fire Services Act 1990 (Qld) — formerly the Fire and Emergency Services Act 1990 — together with the Building Fire Safety Regulation 2008 and the Building Regulation 2021. They are administered by the Queensland Fire Department.
The rollout has run in three phases:
- From 1 January 2017 — new dwellings and dwellings undergoing substantial renovation.
- From 1 January 2022 — dwellings being sold or leased.
- From 1 January 2027 — all remaining domestic dwellings.
If your home has been sold, purchased, leased or substantially renovated since the start of 2022, it should already comply. If it has not, the 2027 deadline is the one that applies to you.
What “Compliant” Actually Means
An alarm satisfies the standard only if it ticks every box. Meeting some requirements and not others is not compliance.
- The alarm must use photoelectric sensing technology, which responds to the visible smoke particles typical of slow, smouldering fires. Older ionisation alarms do not comply, however new or well maintained they are.
- Compliant with AS 3786-2014. The Australian Standard marking is printed on the body of the alarm.
- Every required alarm in the dwelling must be linked, by wiring or wirelessly, so that when one detects smoke all of them sound.
- Not more than 10 years old. Alarms must be replaced before they reach 10 years from the date of manufacture.
- In working order, and not containing an ionisation sensor.
Where an existing alarm being replaced was hardwired to the dwelling’s power supply, the replacement must also be hardwired. New builds and substantial renovations must be hardwired under the Building Regulation 2021. Many existing homes end up with a mix of hardwired and non-removable ten-year battery alarms, which is permissible provided each alarm meets the standard.
Where the Alarms Must Go
Location matters as much as the device. Under the prescribed locations for installation, alarms must be placed:
- on every storey of the dwelling;
- in every bedroom;
- in hallways that connect bedrooms with the rest of the dwelling; or, where there is no hallway, between the bedroom and the other parts of that storey; and
- where a storey has no bedrooms, at least one alarm in the most likely path of travel to exit the dwelling.
There are also exclusion zones. Alarms must be kept a prescribed distance from ceiling corners, light fittings, air-conditioning vents and the edge of ceiling fan blades, and special rules apply to sloping ceilings and ceilings with exposed beams. The Queensland Fire Department publishes an installation fact sheet setting out the measurements.
This is the requirement that most often catches people out. A house with two working photoelectric alarms in the hallway, and none in the bedrooms, is not compliant.
If You Are Selling
Sellers have been required to install compliant alarms since 1 January 2022, and that obligation has not changed.
Section 104RBA of the Fire Services Act 1990 (Qld) sets the installation requirement for domestic dwellings. Separately, a seller must give the buyer notice about whether compliant alarms are installed, and failing to do so is an offence carrying a maximum penalty of 5 penalty units. At settlement, the position is declared on the Form 24 Property Transfer lodged with Titles Queensland — a document your solicitor will usually prepare on your behalf.
Under the standard REIQ contract, the seller warrants that the property will comply at settlement. If it does not, the buyer cannot terminate on that ground, but is entitled to an adjustment of 0.15% of the purchase price, provided the claim is made in writing on or before settlement. On a $750,000 sale, that is $1,125.
The practical advice for sellers is simple: arrange the upgrade and get written confirmation of compliance before you list, not in the fortnight before settlement. Leaving it late is the most common source of avoidable stress in an otherwise straightforward sale — and an inaccurate declaration can have consequences beyond the price adjustment, including for insurance if there is a later fire.
If You Are Buying
Under the standard REIQ contract, a buyer may access the property before settlement to have a licensed electrician inspect the alarms. It is worth doing, particularly on an older home.
If the alarms are not compliant, your remedy is the 0.15% adjustment rather than a right to walk away — so identify the issue early and make the claim in writing before settlement. Your solicitor can handle this as part of the pre-settlement process.
If You Are a Landlord or Tenant
Rental properties have had to comply since 1 January 2022, and ongoing testing obligations apply.
A lessor must test each alarm in the dwelling within 30 days before the start of a tenancy, including a renewed or extended tenancy, and must replace flat or nearly flat batteries in that same window. During the tenancy, the tenant must test each alarm at least every 12 months. These duties sit in the Fire Services Act 1990 (Qld), and the Residential Tenancies Authority publishes guidance for both parties.
Units, Townhouses and Community Titles Schemes
Alarms inside your lot are your responsibility as the lot owner, not the body corporate’s. Owners of lots in community titles schemes need to meet the 1 January 2027 deadline in the same way as owners of freestanding houses.
Owners of manufactured homes in residential parks have an additional obligation. Changes to section 148K of the Fire Services Act 1990 (Qld) commenced on 6 December 2025 and require a home owner who intends to sell a manufactured home, or transfer their interest in a site agreement, to give written notice about whether the home has compliant smoke alarms.
Caravans and Motorhomes
Since 1 July 2024, any Queensland-registered caravan or motorhome that is newly registered or has its registration transferred must be fitted with a battery-powered photoelectric alarm complying with AS 3786-2014. From January 2027, that requirement extends to all registered caravans and motorised caravans.
What to Do Between Now and January
- Look at your alarms. Check for the AS 3786-2014 marking and the manufacture date, and confirm they are photoelectric rather than ionisation.
- Count the rooms. One in every bedroom, in the connecting hallways, and at least one on each storey.
- Test whether they are interconnected. Press and hold the test button on one alarm; every other alarm should sound.
- Book an installer early. Demand will rise sharply toward the end of the year.
- Keep the paperwork. Certificates and invoices are the evidence you will want if you sell, lease, or need to deal with an insurer.
- Get advice before you list. If you are planning a sale in 2027, deal with compliance as part of your pre-listing preparation.
There is no need to notify the Queensland Fire Department of your compliance. The obligation is to have the alarms installed correctly and working.
We Can Help
Smoke alarm compliance is a small item on a conveyancing file that causes a disproportionate number of last-minute problems. Our Residential Conveyancing team can advise you on your obligations as a seller, buyer or landlord, prepare the required disclosures correctly, and make sure the issue is addressed well before settlement day. Contact us on (07) 3482 6999 or at mail@biglaw.com.au.
