{"geometry":{"type":"Point","coordinates":[0.706968,51.581041]},"type":"Feature","properties":{"entry-date":"2026-06-10","start-date":"1973-07-23","end-date":"","entity":31763203,"name":"SYDENHAM HOUSE","dataset":"listed-building","typology":"geography","reference":"1307086","prefix":"listed-building","organisation-entity":"16","quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1307086","listed-building-grade":"II"}}