{"entry-date":"2026-08-19","start-date":"1958-02-24","end-date":"","entity":31524304,"name":"34, GROSVENOR STREET W1","dataset":"listed-building","typology":"geography","reference":"1066699","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.148582 51.511598)","quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1066699","listed-building-grade":"II*"}