How to get your Queensland home ready for the new smoke alarm laws

Key takeaways

Keep these points in mind when planning smoke alarm work:

• From 1 January 2027, existing private homes, townhouses, units and manufactured homes in Queensland must have interconnected photoelectric smoke alarms.
• Compliant alarms must meet Australian Standard AS 3786-2014, must not contain an ionisation sensor and must be installed in all required locations.
• Hardwired alarms must be installed by a licensed electrician, and an existing hardwired alarm must be replaced with a hardwired alarm.
• Check each property’s alarm age, condition, sensor type, placement, power source and interconnection before selecting replacements.

What is changing in Queensland?

By 1 January 2027, all existing private homes, townhouses, units and manufactured homes in Queensland must have compliant interconnected photoelectric smoke alarms. Registered caravans and motorhomes must also have a photoelectric smoke alarm fitted.

For a smoke alarm system to comply with the requirements, each alarm must:

• Use a photoelectric sensor.
• Interconnect with every other smoke alarm in the dwelling, so all alarms sound when one is triggered.
• Comply with AS 3786-2014, with the standard marked on the alarm.
• Not contain an ionisation sensor.
• Be hardwired to mains power or powered by a non-removable 10-year battery, as applicable to the property and installation.

Standalone alarms powered only by a replaceable 9V battery don’t satisfy these Queensland compliance requirements. This doesn’t mean 9V alarms are illegal to sell or use in every context, so check the application before advising a customer or specifying an alarm.

The Queensland Fire Department materials confirm the photoelectric, interconnected, AS 3786-2014, sensor and power requirements.

How do you check if existing smoke alarms are compliant?

A consistent property audit can help scope the work accurately, order suitable products and reduce the risk of a return visit.

Check the following at each property:

• Age: Replace smoke alarms that are more than 10 years old.
• Sensor type: Replace alarms that contain an ionisation sensor. A black and yellow radiation warning symbol may identify this type.
• Standard: Look for AS 3786-2014 on visible labelling or check the manufacturer’s product information. If confirming the marking requires disturbing a hardwired alarm or its electrical connection, use a licensed electrician.
• Interconnection: Test whether activating one alarm causes all connected alarms to sound, following the manufacturer’s instructions.
• Condition: Replace alarms that don’t operate correctly when tested.
• Power source: Confirm whether the existing system is hardwired or battery powered before selecting replacements.
• Placement: Check every bedroom, storey and area connecting bedrooms against the required locations.

Recording alarm locations, power sources, installation dates and replacement requirements may make quoting and scheduling easier across multiple properties.

The Queensland Fire Department advises checking for AS 3786-2014 and replacing alarms that contain an ionisation sensor, aren’t interconnected or are more than 10 years old.

Where do smoke alarms need to be installed?

Smoke alarms must be installed:

• In every bedroom.
• In hallways connecting bedrooms with the rest of the dwelling.
• Between bedrooms and other parts of a storey if there’s no hallway.
• On every storey.
• In the most likely path of travel to an exit where a storey has no bedrooms.
• On the ceiling of registered caravans and motorhomes.

Property layouts vary, so confirm the current Queensland Fire Department requirements and follow the alarm manufacturer’s installation instructions before finalising placement.

Should you use hardwired or wireless smoke alarms?

The right option depends on the existing installation, property requirements and scope of work.

Hardwired alarms connect to the property’s mains power supply and must be installed by a licensed electrician. If an existing alarm is hardwired, its replacement must also be hardwired.

Wireless photoelectric alarms use non-removable 10-year batteries and interconnect without additional wiring. They may suit some properties if they meet Queensland’s sensor, interconnection, standard, power and placement requirements and are suitable for the existing installation.

Before ordering alarms for several properties, check the power source, interconnection method and compatibility across the selected range. Using one compatible system can simplify installation, testing and future maintenance.

The hardwired replacement and wireless power requirements are stated in the Queensland Fire Department fact sheet and engagement toolkit.

How can you plan smoke alarm upgrades efficiently?

Starting property checks ahead of the 1 January 2027 deadline gives electricians and property teams more time to scope requirements, coordinate access and group suitable products by job.

For portfolios or multi-property work, consider:

• Auditing properties using one consistent checklist.
• Separating compliant alarms from alarms that need replacement, relocation or further assessment.
• Identifying hardwired work that needs to be scheduled with a licensed electrician.
• Confirming alarm compatibility before placing bulk orders.
• Allowing for tenant, owner or site-manager access.
• Recording installation and replacement dates for future maintenance.
• Testing the complete interconnected system before closing out the job.

Smoke alarms should be tested monthly and kept clear of dust and insects. Property managers and owners should also maintain and practise a fire escape plan for each property.

The Queensland Fire Department recommends monthly testing, cleaning away dust and insects, keeping alarms unobstructed and maintaining a practised fire escape plan.

Check smoke alarm requirements now and get ready before 1 January 2027

Start with a property-by-property audit, then review the fire safety range online when planning upcoming work. Confirm product suitability, compatibility, availability and installation requirements before ordering.

For detailed and current legislative guidance, refer to the Queensland Fire Department smoke alarm information, and use a licensed electrician for hardwired installation or replacement work.

Frequently asked questions

Do Queensland rental properties need to wait until 1 January 2027?

No. Rental properties are already subject to updated smoke alarm requirements. The 1 January 2027 deadline applies the final stage of the requirements to remaining Queensland homes, including owner-occupied dwellings. Confirm the requirements for each property using current Queensland Fire Department guidance.

Can different smoke alarm brands or models be interconnected?

Only use alarms that the manufacturer confirms are compatible. Products may use different wired or wireless interconnection systems, so don’t assume alarms can communicate because they share the same sensor type or power source.

Check the specifications and installation instructions before combining models or ordering alarms for several properties.

Can a wireless smoke alarm replace an existing hardwired alarm?

No. If the existing smoke alarm is hardwired, its replacement must also be hardwired. Hardwired smoke alarm work must be completed by a licensed electrician.

What should you do when a property has a mix of alarm types?

Record the sensor type, power source, age, location and interconnection method of every alarm before choosing replacements. Flag hardwired positions for a licensed electrician and confirm that the proposed alarms can operate as one compatible, interconnected system.

What records should property managers keep?

It may be useful to record each alarm’s location, type, power source, installation date, test results and planned replacement date. Keep records consistent across the portfolio and check whether the property or organisation has specific record-keeping obligations.