2022 12 Tivoli Avenue, Rose Bay - Heritage Impact Statement 12 Tivoli Avenue in 1949. NSW State Archives: [View of Rose Bay], 26/01/1949, Digital ID: 9856_a017_A017000190] ArchitecturalHeritage AssessmentHistorySydney - Eastern Authors: Liz Gorman Research: Emily Pickering Client: Private Client This report was prepared for a private client to investigate the history of unique waterfront mansion ‘Florida’ at 12 Tivoli Avenue, Rose Bay. The property is one of three buildings by American architect E.B. Sankey in Sydney; of these, it is the only single dwelling example and one of his two Inter-war Spanish Mission examples.