{"entry-date":"1970-02-05","start-date":"1954-09-10","end-date":"","entity":31683656,"name":"59-67, PORTLAND PLACE W1","dataset":"listed-building","typology":"geography","reference":"1227079","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.146009 51.521602)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1227079","listed-building-grade":"II*"}