{"geometry":{"type":"Point","coordinates":[-0.246969,52.36898]},"type":"Feature","properties":{"entry-date":"2026-09-29","start-date":"1983-10-21","end-date":"","entity":31786425,"name":"ALCONBURY HOUSE","dataset":"listed-building","typology":"geography","reference":"1330482","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1330482","listed-building-grade":"II"}}