{"geometry":{"type":"Point","coordinates":[0.903085,51.890644]},"type":"Feature","properties":{"entry-date":"2026-09-30","start-date":"1950-02-24","end-date":"","entity":31580894,"name":"THE CASTLE KEEP (INCLUDING EXCAVATED REMAINS OF FOREBUILDING IN MOAT)","dataset":"listed-building","typology":"geography","reference":"1123674","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1123674","listed-building-grade":"I"}}