"The divide is most evident in the unit market," Dr Powell said. "More than one in four Melbourne unit sellers are now selling at a loss, while almost every Brisbane unit seller is making a profit." "Perth, Brisbane and Adelaide continue to deliver strong results for sellers, while Melbourne and Canberra are showing the clearest signs of weaker market conditions," Dr Powell said. Sydney remains the most lucrative marketSydney home owners recorded the largest gains, with a median profit of $739,500 on house resales. In comparison, the national median house price is $928,421 as at 31 July.