Sydney's median house price surged by 3.5 per cent in May 2021 to $1,186,518
That was the big city's fastest monthly house growth pace since October 1988
But since the start of January, mid-point values have surged by 15.1 per cent
Double-digit house price rises in 2021 so far in Hobart, Darwin and Canberra
Some regional areas had annual property price growth of more than 20 per cent