{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.35356,51.813984],[-0.353476,51.814017],[-0.353463,51.814005],[-0.353439,51.814015],[-0.353451,51.814027],[-0.353228,51.814117],[-0.353257,51.814145],[-0.353204,51.814166],[-0.35319,51.814153],[-0.353148,51.81417],[-0.35321,51.81423],[-0.353172,51.814245],[-0.353215,51.814286],[-0.353393,51.814215],[-0.353352,51.814175],[-0.353339,51.814181],[-0.353324,51.814165],[-0.353448,51.814116],[-0.353532,51.814196],[-0.353605,51.814169],[-0.353614,51.814178],[-0.353633,51.814171],[-0.353678,51.814213],[-0.353706,51.814203],[-0.353686,51.814184],[-0.353744,51.814161],[-0.353678,51.814097],[-0.353704,51.814086],[-0.353685,51.814068],[-0.353658,51.814079],[-0.35356,51.813984]]]]},"type":"Feature","properties":{"entry-date":"2004-06-01","start-date":"1951-07-26","end-date":"","entity":42121890,"name":"Harpenden Hall, Southdown Road Harpenden","dataset":"listed-building-outline","typology":"geography","reference":"1103002","prefix":"listed-building-outline","organisation-entity":278,"quality":"authoritative","listed-building":"1103002"}}