{"entry-date":"1976-10-22","start-date":"1955-10-18","end-date":"","entity":31687313,"name":"PORTCHESTER HOUSE","dataset":"listed-building","typology":"geography","reference":"1230758","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-1.116774 50.836957)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1230758","listed-building-grade":"II"}