Blenheim Central is a suburb which lies within the Territorial Authority of Marlborough, one of 36 residential suburbs which form the wider region. Blenheim Central is the largest suburb of Marlborough in terms of the total number of residential housing stock. Blenheim Central 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 1970 - 1979. Residential housing stock in Blenheim Central is made up of approximately 98% residential housing and 2% residential investment housing properties.