{"entry-date":"2026-10-23","start-date":"1980-08-20","end-date":"","entity":31786909,"name":"HEYDON HOUSE","dataset":"listed-building","typology":"geography","reference":"1330968","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (0.088279 52.0407)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1330968","listed-building-grade":"II"}