Up to 185,000 Queensland homes could be at ‘very high risk’ with many uninsurable if global heating unchecked

A new federal government report warns that up to 185,000 properties in Queensland, predominantly in northern regions, face "very high risk" of natural disasters and potential uninsurability if global heating continues, with 175,000 homes at risk even under the 1.5C warming scenario, a level Australia has already reached. This compounds existing vulnerabilities, as northern Australia already reports a 20% home building non-insurance rate, double the national average. The findings signal substantial financial risk for property markets and underscore a pressing need for climate adaptation and mitigation strategies.

Analysis

A new Australian federal government report quantifies a significant and escalating financial risk concentrated in Queensland's property market. The report identifies up to 185,000 properties at "very high risk" of natural disasters under a 3C global heating scenario, a figure that stands at 175,000 even under the 1.5C warming level that the continent has already reached. The most critical financial implication is the explicit warning that these properties could become uninsurable, creating a material threat to asset values and the viability of mortgage collateral. This is not a hypothetical future event but an acceleration of a current trend, as northern Australia already exhibits a home non-insurance rate of 20%, nearly double the national average, driven by affordability issues. The concentration of this risk is notable, with 18 of the 20 highest-risk local government areas in Australia located within Queensland. For financial institutions, this signals a potential for systemic risk, impacting not only the insurance sector's loss ratios and underwriting strategies but also the loan books of banks with significant mortgage exposure in these regions. The report's release and the associated calls for government intervention suggest that regulatory and policy risks are also increasing, potentially leading to stricter building codes, land-use restrictions, or state-backed insurance schemes.

Key Decisions for Investors

• Investors with exposure to Australian general insurers, particularly those with a large presence in Queensland, should re-evaluate the adequacy of their catastrophe models and reinsurance coverage in light of the quantified increase in high-risk properties.
• Holders of mortgage-backed securities or equity in banks with significant Queensland residential loan books should assess their portfolio's geographic concentration risk, as the threat of uninsurability could lead to widespread property value impairment and an increase in defaults.
• Real estate investors and REITs focused on Queensland should conduct enhanced due diligence on asset-level climate risk, as properties in the identified high-risk zones face a strong likelihood of price depreciation and higher holding costs.
• Monitor for government policy responses, such as investments in climate adaptation infrastructure or the establishment of a national reinsurance pool, as these actions could create new investment opportunities in engineering, construction, and materials, while also altering the risk profile for insurers.