{"geometry":{"type":"Point","coordinates":[-0.141732,51.518399]},"type":"Feature","properties":{"entry-date":"2026-08-18","start-date":"1980-09-22","end-date":"","entity":31524351,"name":"78 AND 80, GREAT PORTLAND STREET W1","dataset":"listed-building","typology":"geography","reference":"1066746","prefix":"listed-building","organisation-entity":16,"quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1066746","listed-building-grade":"II"}}