{"geometry":{"type":"Point","coordinates":[0.273905,51.196523]},"type":"Feature","properties":{"entry-date":"2026-04-21","start-date":"1950-05-08","end-date":"","entity":31819107,"name":"TONBRIDGE CASTLE","dataset":"listed-building","typology":"geography","reference":"1363369","prefix":"listed-building","organisation-entity":"16","quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1363369","listed-building-grade":"I"}}