{"entry-date":"2026-10-23","start-date":"2001-11-01","end-date":"","entity":31845072,"name":"56 AND 57, GROSVENOR STREET","dataset":"listed-building","typology":"geography","reference":"1389472","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.147421 51.511497)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1389472","listed-building-grade":"II"}