Con-stan Industries of Australia Pty Ltd v Norwich Winterthur Insurance (Australia) Ltd

Con-stan Industries of Australia Pty Ltd (the plaintiff) brought proceedings against Norwich Winterthur Insurance (Australia) Ltd (the defendant) seeking indemnity under a policy of insurance. The dispute concerned whether the plaintiff was entitled to indemnity for a loss arising from a fire at its factory. The case was heard by the High Court of Australia.

The central legal issue before the High Court was whether the defendant was liable to indemnify the plaintiff under the insurance policy, specifically in light of the plaintiff's alleged failure to disclose material facts and the circumstances surrounding the fire. The court was required to consider the principles of disclosure and utmost good faith in insurance contracts and the effect of any breach of these principles on the insurer's liability.

The High Court held that the defendant was not liable to indemnify the plaintiff. The court reasoned that the plaintiff had failed to disclose material facts to the insurer, which constituted a breach of the duty of utmost good faith implied in every insurance contract. This failure to disclose was found to be of such a nature that it vitiated the contract from its inception, thereby relieving the insurer of its obligations. The court applied established principles regarding the duty of disclosure owed by an insured to an insurer, emphasizing that the insured must disclose all facts which would influence the judgment of a prudent insurer in deciding whether to accept the risk and on what terms.