Risks, inspections and funding pathways for existing schemes Waterproofing defects remain a major issue across WA strata, with independent studies showing high defect rates in apartments. Balconies and terraces are frequent ingress points, and WA’s Building & Energy audits are examining practices. NCC 2025 will tighten waterproofing and water-shedding provisions, but existing schemes still need action now: prioritise inspections, fast-track rectification of known leaks, and u