The End of "Buck-Passing" and "Blank Cheques" in NSW Strata

As a veteran Forensic Engineer and Project Superintendent in NSW, I’ve been closely monitoring the evolution of our building laws. Recently, two landmark cases have fundamentally redefined the landscape for Owners Corporations and the broader construction industry.

These two classic cases are like two sides of the same coin; they clearly demonstrate the court's dual focus on ensuring absolute accountability for builders while enforcing commercial reasonableness for owners. I believe they provide a long-awaited "reality check" for all stakeholders involved in building remediation.

1. Liability: The "Buck Stops Here" Rule (Pafburn v The Owners)

• The Background: For years, developers and builders often tried to mitigate their liability by invoking Proportionate Liability—essentially claiming they should only pay for a fraction of the damages because their specialist subcontractors were also at fault. This often left OCs in a "shell game," chasing various parties for compensation.
• The Ruling: The High Court has definitively confirmed that the statutory duty of care under the Design and Building Practitioners Act 2020 (NSW) is non-delegable.
• The Impact: This is a major victory for Strata owners. It clarifies that a head contractor cannot "outsource" their legal responsibility for defects. If the work is non-compliant, the builder is responsible for the entire rectification cost, regardless of who they engaged for the task.
• Official Citation: Pafburn Pty Ltd v The Owners – Strata Plan No 84674 [2024] HCA 49

2. Damages: The "Reasonableness" Threshold (85 Princess v Fleming)

• The Background: Following a successful defect claim, the owners sought damages based on a premium, high-specification rectification method. The builder challenged this, arguing that a standard, code-compliant engineering solution would achieve the same outcome at a significantly lower cost.
• The Ruling: The Court of Appeal reminded us that the purpose of damages is to restore the building to its contracted state—not to provide a windfall or a "gold-plated" upgrade. Costs must be Reasonable and Necessary.
• The Impact: I often tell my clients: "Don't count your chickens just yet." While Pafburn makes the builder accountable, 85 Princess ensures that the claim remains grounded in reality. Any rectification programme must be technically defensible and commercially recognised as fair to survive judicial scrutiny.
• Official Citation: 85 Princess Pty Ltd v Fleming [2025] NSWCA 261

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A New Era of Evidence-Based Rectification

These rulings create a new "Middle Ground" for building remediation in NSW.

The legal path is now clearer: Pafburn ensures that accountability stays at the top, while 85 Princess ensures that repair costs are managed with common sense. Navigating this environment successfully requires a move away from aggressive legal posturing and towards technical precision. In my dual practice, I find that success lies in bridging this gap—using Forensic Engineering to hold the line on liability while applying Superintendent oversight to ensure the delivery is as 'reasonable' as the courts now demand.

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