Hunters Hill property as showbiz couple relocated their family to the US for workCate Blanchett and Andrew Upton are selling up in Sydney, putting the waterfront home where they have lived for the past decade on the market.The film and theatre power couple bought Bulwarra, a historic sandstone mansion in the lower North Shore suburb of Hunters Hill, for $10m in 2005 from banker Jim Dominguez and his wife, Suzanne.