{"geometry":{"type":"Point","coordinates":[-0.141628,51.518862]},"type":"Feature","properties":{"entry-date":"2026-09-30","start-date":"1982-02-25","end-date":"","entity":31678412,"name":"40, LANGHAM STREET W1","dataset":"listed-building","typology":"geography","reference":"1221807","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1221807","listed-building-grade":"II"}}