As at June 2026, the best chAs ofChristchurch suburbs for rental yield are mostly east and inner-east, with Aranui and Wainoni at June 2026, the best Christchurch suburbs for rental yield are mostly east and inner-east, with Aranui and Wainoni around 5.8% to 6.1% gross on typical three-bedroom houses.ristchurch suburbs for rental yield are mostly east and inner-east, with Aranui and Wainoni around 5.8%...