Sydney’s Point Piper has long been regarded as Australia’s most elite suburb, and a rare statistical insight puts a firm number on that glittering status. The median house in the harbourside eastern suburb costs $17,313,502 – by far the nation’s most expensive postcode, according to Cotality. Point Piper is Australia’s most expensive suburb. Credit:There is daylight between Point Piper – where national price records have fallen – and the next priciest suburb, neighbouring Bellevue Hill, which has a median house price of $11,604,624, Cotality’s Best of the Best report for 2025 found. In the 12 months to September, Point Piper recorded four sales, compared to 72 in Bellevue Hill.