Sutherland Shire Council v Becker

Sutherland Shire Council (SSC) appealed a District Court decision that found it liable in negligence and nuisance to Mrs Becker, the owner of Lot 7. Mrs Becker had suffered property damage when a large deposit of fill in her rear yard slipped, caused by water escaping from a defective drainage pipeline. This pipeline was part of a subdivision approved by SSC in 1977, which included conditions requiring its construction and the creation of an easement in gross in favour of SSC. The slippage was attributed to a combination of exceptionally heavy rain, a lodged obstruction in the drain, and defective joints in the pipeline. Mrs Becker's claim against SSC was based on the council's alleged duty of care in approving the subdivision and specifying the pipeline, and on nuisance arising from SSC's failure to inspect, repair, or maintain the pipeline.

The Court of Appeal was required to determine whether SSC owed a duty of care to Mrs Becker in its approval of the subdivision and the associated drainage system, and whether SSC was liable in nuisance for failing to inspect, repair, or maintain the pipeline. Key legal issues included the concept of control exercised by a public authority, the distinction between property damage and economic loss, the entitlement to lateral support, and the principles of vulnerability and reliance in establishing a duty of care for public authorities. Regarding nuisance, the court considered whether fault, specifically awareness of the defects in the pipeline, was a necessary element for liability.

The Court of Appeal held that SSC did not owe a duty of care to Mrs Becker. Applying principles relating to the liability of public authorities exercising statutory regulatory powers, the court found that SSC's actions in approving the subdivision and specifying the pipeline were policy decisions, and that there was no sufficient proximity or reliance to establish a duty of care in negligence. The court also found that SSC was not liable in nuisance, as there was no evidence that SSC knew or should have known of the defects in the pipeline. The court reasoned that the council's role was regulatory, not to assume responsibility for the ongoing maintenance and repair of private drainage systems.

Consequently, the appeal was allowed, and the orders of the District Court were set aside, with judgment entered for SSC. The cross-appeal was dismissed.