{"entry-date":"2026-10-23","start-date":"1987-12-01","end-date":"","entity":31812859,"name":"22 AND 23, GROSVENOR SQUARE W1 (See details for further address information)","dataset":"listed-building","typology":"geography","reference":"1357060","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.153216 51.512157)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1357060","listed-building-grade":"II"}