Domain 21 is a 99-year Leasehold condominium located at Delta Road in District D03. Domain 21 is close to Redhill MRT EW18 and Tiong Bahru MRT EW17. Amenities near Domain 21 Domain 21 is a short drive to Valley Point Shopping Centre and Great World City. It is also not far from several schools such as Zhangde Primary School, Henderson Secondary School and Gan Eng Seng Primary School. Domain 21 is accessible via River Valley Road and Alexandra Road.