Smoke alarms in South Australia (2026)

Last reviewed: 13 October 2026

In short: All South Australian homes must have a working smoke alarm, and homeowners and residential landlords are responsible for making sure alarms are installed correctly and working. The type depends on when the home was built or bought.

RuleWhat applies
Smoke alarm legally required in homesSmoke alarms in dwellingsYes [1]
Minimum alarms and whereSmoke alarms in dwellings⚠ Not yet verified
Who must fit the alarmsSmoke alarms in dwellingsOwner [1]
Who must fit the alarmsSmoke alarms in dwellings; Residential rental properties in South AustraliaLandlord [1]
Who must keep them workingSmoke alarms in dwellingsOwner [1]
Who must keep them workingSmoke alarms in dwellings; Residential rental properties in South AustraliaLandlord [1]
Date the duty applies (existing homes: compliance date)Smoke alarms in dwellings⚠ Not yet verified

Notes

  • Source is an Internet Archive snapshot (1 April 2025) of the official sa.gov.au page, last updated 2 June 2023; the live page returned 403 from this server and was not read. The page states fines of up to $750 apply if alarms are not installed. The type depends on when the property was bought or built: replaceable-battery alarm if bought before 1 February 1998; 240 V mains-powered or 10-year non-removable battery alarm within six months of title transfer if bought later; mains-powered if built from 1 January 1995; interconnection for new dwellings, additions and extensions.
  • The page says only that more than one alarm may be needed depending on the size and layout of the home; no number or locations are given. The Development regulations were not read.
  • The page gives only transaction-based periods (six months from title transfer) and purchase or build dates, not one date for the duty.

Sources

  1. Government of South Australia: Smoke alarms (Internet Archive snapshot of 1 April 2025 of sa.gov.au) (consulted 13 October 2026) · all sources

More rules in South Australia

  • CannabisPossession for personal use: Offence; usually an expiation notice (fine) · Growing at home: Banned; small numbers expiable
  • Car speed limitsBuilt-up areas: 50 km/h · Outside built-up areas (single carriageway): 100 km/h (110 km/h where signed)
  • Deposit return schemes and plastic bagsNational deposit return scheme in operation: Yes, since 1977 · Deposit per container: 10c refund
  • Minimum age for a car driving licenceMinimum age for a car licence: 17 (P1 licence) · Earliest age to drive a car supervised: 16, with a supervisor
  • Driving after drugsApproach to cannabis (THC): Prescribed drug in system is an offence · THC threshold: Any THC detected
  • FireworksConsumers may buy and use category F2 fireworks: No (general use only)
  • Foreign driving licencesOverseas licence valid for a visitor: Yes for short-term visitors · Overseas licence after becoming a resident: Permanent resident: SA licence within 90 days
  • Home educationLegal status of home education: Approval (exemption) needed · Nature of the parental duty: School attendance
  • Knives and pepper sprayFolding pocket knives: Offence under s 21E (details not read)
  • MopedsLicence: Any SA licence
  • Motorcycles: helmets and licencesHelmet required for the rider: Yes · Helmet required for a passenger: Yes
  • Paid holidayMinimum paid leave a year (weeks): 4 weeks (5 for some shiftworkers) · Minimum paid leave as the law states it: 4 weeks a year; extra week for some shiftworkers
  • Using a mobile phone while drivingHolding a phone while driving banned: Banned · Hands-free use: Mounted, or used without touching; L/P1: none
  • Seat belts and child seatsSeat belt compulsory in front seats: Yes · Seat belt compulsory in rear seats: Yes
  • Tobacco and nicotine age limitsMinimum age to buy tobacco: 18 · Minimum age to buy e-cigarettes: 18
  • Drinking age and alcohol salesMinimum age to buy beer and wine: 18 · Minimum age to buy spirits: 18
  • Drink-driving limitsBlood alcohol limit for ordinary drivers: 0.05%

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General information, not legal advice. Rules change: check the official source before you fly or ride.