{"geometry":{"type":"Point","coordinates":[-0.144705,51.520475]},"type":"Feature","properties":{"entry-date":"1958-05-05","start-date":"1954-09-10","end-date":"","entity":31683603,"name":"34-52, PORTLAND PLACE W1","dataset":"listed-building","typology":"geography","reference":"1227025","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1227025","listed-building-grade":"II*"}}