Smoke alarm upgrade
Ask the contractor to map required alarm locations and interconnection for the dwelling and jurisdiction. Compare replacement and new wiring separately.
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Count existing replacement points and new positions separately. Include testing and any compliance documentation in the quote scope.
Published price reference
$210 per alarm (AUD)
Supply and installation. Confirm model, interconnection and site requirements. South Perth, Rockingham and Mandurah. Confirm GST and local eligibility.
WA Electrical and Antennas price list · Checked 13 November 2026.
This guide has a checked price reference. Verify the source scope and availability before using it. How prices are checked
Compare the same work
Confirm exclusions and GST in writing before comparing the totals.
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