{"geometry":{"type":"Point","coordinates":[-0.153154,51.510447]},"type":"Feature","properties":{"entry-date":"2026-09-30","start-date":"1958-02-24","end-date":"","entity":31678540,"name":"44, UPPER GROSVENOR STREET W1","dataset":"listed-building","typology":"geography","reference":"1221935","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1221935","listed-building-grade":"II"}}