{"geometry":{"type":"Point","coordinates":[-0.353601,51.814093]},"type":"Feature","properties":{"entry-date":"2026-10-23","start-date":"1951-07-26","end-date":"","entity":31560355,"name":"HARPENDEN HALL (DISTRICT COUNCIL OFFICES)","dataset":"listed-building","typology":"geography","reference":"1103002","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1103002","listed-building-grade":"II*"}}