Australian residential property sellers enjoyed their highest rate of profitability in over two decades during the September 2025 quarter, according to Cotality's latest Pain & Gain report.The analysis, which covered approximately 100,000 resales, shows that 95.5% of sellers made a nominal profit, up from 94.9% in the June quarter, marking the strongest result since July 2005.The surge in profitability was underpinned by a revitalised housing market, where national home values set new record highs for eight consecutive months leading up to the end of September 2025.