{"entry-date":"2026-09-30","start-date":"1965-01-13","end-date":"","entity":31678551,"name":"17-20, LEINSTER SQUARE W2","dataset":"listed-building","typology":"geography","reference":"1221946","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.191823 51.514359)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1221946","listed-building-grade":"II"}