Belfast is a suburb which lies within the Territorial Authority of Christchurch, one of 116 residential suburbs which form the wider region. Belfast is the 38th largest suburb of Christchurch in terms of the total number of residential housing stock. Belfast provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1890 - 1899. The majority of the residential housing stock in the locality was constructed between 1990 - 1999. Residential housing stock in Belfast is made up of approximately 95% residential housing , 1% residential investment housing and 4% lifestyle properties.