Australia’s “sushi queen”, Anna Kasman, founder of franchises Sushi Sushi and Sushi Jiro, has put her Toorak mansion on the market, with price expectations of between $15 million and $16.5 million.

The offering of her Grosvenor Court family home comes as the luxury end of the Melbourne housing market fires on all cylinders, aided by the return of Chinese buyers and expats.