Henrietta Villa House House built in 1822 for John Piper considered at the time the most elegant house in the Colony. It was demolished in the 1850s and Woollahra House was later built on the site. Locate -33.865591239723, 151.2540502188 Milestone Constructed 1822 {"name":"Constructed","target":"","target_text":null,"date":{"#markup":"<span class='date'>1822<\/span>"},"date_start":"1822","date_end":"1822"} Name Alternate Naval Pavillion {"name":"Alternate","target":"","target_text":"Naval Pavillion","date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Property Superseded by Woollahra House {"name":"On site of","target":"Woollahra House","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Owned by Piper, John 1822 - 1827 {"name":"Owner of","target":"Piper, John","target_text":null,"date":{"#markup":"<span class='date'>1822<\/span><span class='separator'> - <\/span><span class='date'>1827<\/span>"},"date_start":"1822","date_end":"1827"} Type House {"name":"House","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} image image