{"entry-date":"2026-10-02","start-date":"1985-10-14","end-date":"","entity":31723619,"name":"43, GREAT PORTLAND STREET W1 (See details for further address information)","dataset":"listed-building","typology":"geography","reference":"1267276","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.141945 51.517405)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1267276","listed-building-grade":"II"}