{"entry-date":"2026-10-23","start-date":"1954-09-10","end-date":"","entity":31693999,"name":"54, HARLEY STREET W1","dataset":"listed-building","typology":"geography","reference":"1237485","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.146779 51.519105)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1237485","listed-building-grade":"II"}