Spreydon is a suburb of Christchurch, New Zealand, 4 kilometres south-south-west of Cathedral Square. The most central street through Spreydon is Barrington Street. Spreydon is flanked by the suburbs Hoon Hay, Sydenham, and Lower Cashmere. State Highway 76 marks the northern boundary of the suburb, including the eastern end of the Christchurc…Spreydon is a suburb of Christchurch, New Zealand, 4 kilometres south-south-west of Cathedral Square. The most central street through Spreydon is Barrington Street. Spreydon is flanked by the suburbs Hoon Hay, Sydenham, and Lower Cashmere. State Highway 76 marks the northern boundary of the suburb, including the eastern end of the Christchurch Southern Motorway.