{"geometry":{"type":"Point","coordinates":[-0.155017,51.51035]},"type":"Feature","properties":{"entry-date":"2026-10-23","start-date":"1987-02-16","end-date":"","entity":31731222,"name":"16, UPPER GROSVENOR STREET W1","dataset":"listed-building","typology":"geography","reference":"1274928","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1274928","listed-building-grade":"II"}}