Understanding the Impact of NSW's Building Bill 2026 on Modular Construction Insurance

MMC offers several advantages, including reduced construction timelines, minimised on-site errors, and the ability to replicate successful designs across multiple projects. However, this shift also brings new challenges, particularly in the realms of liability and insurance. Traditional construction methods typically distribute liability across various on-site trades. In contrast, MMC centralises much of the construction process within off-site manufacturing facilities, potentially concentrating liability on manufacturers, design teams, and developers.

One area of concern is professional indemnity (PI) insurance. In conventional construction, design flaws may affect isolated sections of a project. With MMC, a defect in the manufacturing process can be replicated across numerous modules, impacting entire developments. This raises questions about the adequacy of existing PI policies, which often exclude product-related risks. As the distinction between professional services and product liability becomes increasingly blurred, insurers and construction professionals must reassess their coverage to ensure comprehensive protection.

The proposed Bill also introduces stricter penalties for certifiers, with maximum court-imposed fines increasing from $33,000 to $1.1 million. Additionally, it strengthens conflict-of-interest provisions, necessitating more rigorous governance and quality assurance processes within MMC supply chains. These regulatory changes underscore the need for construction companies to enhance their compliance frameworks and risk management strategies.

For insurers, the evolving landscape presents both challenges and opportunities. While the clarity provided by the Bill may bolster confidence in underwriting MMC projects, the concentration of liability and potential for widespread defects necessitate a reevaluation of risk assessment models. Insurers may need to develop specialised products tailored to the unique risks associated with modular construction.

In summary, the Building (Approvals and Practitioners) Bill 2026 signifies a transformative period for the construction industry in NSW. As MMC becomes more prevalent, stakeholders—including developers, contractors, insurers, and regulators—must collaborate to navigate the new regulatory environment and ensure that insurance frameworks are robust enough to address the specific risks associated with modular construction.