The Australian Reinsurance Pool Corporation (ARPC) is implementing updated postcode allocations that determine terrorism insurance premium tiers, following the Terrorism and Cyclone Insurance (Premiums) Amendment (Postcode Update) Direction 2025.
The Ministerial Direction takes effect from 1 January 2026, and ARPC will implement the updated postcode allocations from that date.
The premium rates under the Reinsurance Agreement for Terrorism Risks (2017) are unchanged; only the postcodes to premium tiers (Tiers A, B and C) has been updated.
Throughout 1Q2026, ARPC will take a cooperative and programmatic approach, supporting insurers as they transition to the new postcode tiers.
Updated postcode tables and related premium guidance can be found here.