{"entry-date":"2026-10-23","start-date":"1987-12-01","end-date":"","entity":31812878,"name":"50, HARLEY STREET W1","dataset":"listed-building","typology":"geography","reference":"1357080","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.146726 51.518978)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1357080","listed-building-grade":"II"}