Pratten House House The largest residence designed by Walter Burley Griffin, and one of three in the Ku-ring-gai area. Locate -33.740077762769, 151.14259571893 Milestone Constructed 1935 - 1936 {"name":"Constructed","target":"","target_text":null,"date":{"#markup":"<span class='date'>1935<\/span><span class='separator'> - <\/span><span class='date'>1936<\/span>"},"date_start":"1935","date_end":"1936"} Name Alternate Eric Pratten house {"name":"Alternate","target":"","target_text":"Eric Pratten house","date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Type House {"name":"House","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}