It has come to my attention that the penthouse at The Elan apartment tower in Kings Cross is for sale. Sadly though the price is being kept secret, but two decades ago they were not afraid to reveal how much the penthouse could go for - at least $7 million.
Source: Skelsey, M. 1996. "$10 million view: That's $15 000 for every square metre". The Daily Telegraph, September 26: 15.