{"entry-date":"2026-10-23","start-date":"1987-12-01","end-date":"","entity":31813114,"name":"48, UPPER BROOK STREET W1","dataset":"listed-building","typology":"geography","reference":"1357317","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.154558 51.511377)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1357317","listed-building-grade":"II"}