{"geometry":{"type":"Point","coordinates":[-1.611797,55.345219]},"type":"Feature","properties":{"entry-date":"2026-04-07","start-date":"1969-12-31","end-date":"","entity":31499429,"name":"CASTLE CURTAIN WALLS WITH GATEWAY, TOWERS AND ATTACHED BUILDINGS","dataset":"listed-building","typology":"geography","reference":"1041690","prefix":"listed-building","organisation-entity":"16","quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1041690","listed-building-grade":"I"}}