{"geometry":{"type":"Point","coordinates":[-0.144408,51.5136]},"type":"Feature","properties":{"entry-date":"2026-10-23","start-date":"1970-01-14","end-date":"","entity":31685985,"name":"21, HANOVER SQUARE W1","dataset":"listed-building","typology":"geography","reference":"1229419","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1229419","listed-building-grade":"II"}}