{"geometry":{"type":"Point","coordinates":[-2.842341,51.451925]},"type":"Feature","properties":{"entry-date":"2026-04-23","start-date":"1987-07-22","end-date":"","entity":31776723,"name":"CURTAIN WALL AND TOWERS AT WALTON CASTLE","dataset":"listed-building","typology":"geography","reference":"1320707","prefix":"listed-building","organisation-entity":"16","quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1320707","listed-building-grade":"II"}}