Australia's Construction Surge Poses New Challenges for Insurers

According to Aon's 2025 Global Construction Insurance and Surety Market Report, the global insurance environment for the building industry is softening, particularly in the Asia-Pacific region. However, insurers remain cautious about the emerging risk profiles in Australia, emphasising the need for robust risk control, project design scrutiny, and climate exposure assessments.

The housing sector is witnessing substantial activity, with build-to-rent and build-to-sell models thriving. Developers are increasingly adopting principal-arranged insurance programs to cover risks such as advance loss of profit and delay-in-startup. This trend reflects a proactive approach to managing potential contractor insolvencies and project delays.

Insurers are responding with heightened scrutiny, particularly concerning water damage, which remains a leading cause of claims. Detailed water management plans, including leak detection systems, are now considered essential for securing favourable insurance terms.

Major infrastructure projects, such as Sydney Metro West and naval shipbuilding in South Australia, continue to attract significant investment. Insurers favour Project Alliance Agreements for these ventures, citing benefits like shared risk, improved collaboration, and expedited delivery. However, in regions prone to natural disasters like bushfires, floods, or cyclones, obtaining full-limit catastrophe cover has become more challenging. Tailored excess-of-loss and alternative risk transfer arrangements are increasingly utilised to address these gaps, albeit at higher costs.

The defence sector is viewed positively by insurers, with technology and defence-related construction projects considered preferred risks, provided contractors have a proven track record.

Australia's exposure to climate-related perils is influencing insurance terms across property and casualty classes. Insurers are candid about their limitations, with some areas no longer receiving full natural catastrophe limits. Bushfire exposure, especially in peri-urban regions, has become a significant concern, prompting reinsurers to advocate for tighter limits, increased deductibles, and enhanced loss mitigation strategies.

Despite the softened pricing environment and surplus capacity, insurers advise developers, builders, and brokers to remain vigilant. Early engagement, comprehensive underwriting information, and documented risk control measures are now essential, particularly for high-value or high-risk projects.

As Australia enters what appears to be a golden decade for infrastructure and technology-driven construction, the outlook is optimistic. However, success will depend on the industry's ability to meet emerging risks with rigorous management and strategic planning.