{"entry-date":"2026-08-11","start-date":"1958-02-24","end-date":"","entity":31524073,"name":"50, BERKELEY SQUARE W1","dataset":"listed-building","typology":"geography","reference":"1066467","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.145883 51.508866)","quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1066467","listed-building-grade":"II"}