{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.148752,51.505358],[-0.148867,51.505511],[-0.148986,51.505479],[-0.148872,51.505323],[-0.148752,51.505358]]]]},"type":"Feature","properties":{"entry-date":"1958-02-24","start-date":"1958-02-24","end-date":"","entity":42167320,"name":"Flat 1 Basement 18 Hertford Street London W1J 7RT","dataset":"listed-building-outline","typology":"geography","reference":"1230941","prefix":"listed-building-outline","organisation-entity":387,"quality":"authoritative","listed-building":"1230941"}}