{"entry-date":"2026-08-08","start-date":"1987-12-01","end-date":"","entity":31523795,"name":"12, UPPER GROSVENOR STREET W1","dataset":"listed-building","typology":"geography","reference":"1066188","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.154289 51.510528)","quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1066188","listed-building-grade":"II"}