{"geometry":{"type":"Point","coordinates":[-0.080662,51.795164]},"type":"Feature","properties":{"entry-date":"2026-10-23","start-date":"1950-02-10","end-date":"","entity":31725357,"name":"GATEHOUSE TO HERTFORD CASTLE (HERTFORD CASTLE DEMOLISHED)","dataset":"listed-building","typology":"geography","reference":"1269027","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1269027","listed-building-grade":"I"}}