{"entry-date":"2026-09-05","start-date":"1950-06-21","end-date":"","entity":31515618,"name":"Blenheim House","dataset":"listed-building","typology":"geography","reference":"1057951","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-2.710471 51.145297)","quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1057951","listed-building-grade":"II"}