{"geometry":{"type":"Point","coordinates":[-0.139067,51.518767]},"type":"Feature","properties":{"entry-date":"2026-10-02","start-date":"1954-09-10","end-date":"","entity":31723543,"name":"20, NASSAU STREET W1","dataset":"listed-building","typology":"geography","reference":"1267200","prefix":"listed-building","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1267200","listed-building-grade":"II"}}