Waterloo is a suburb which lies within the Territorial Authority of Lower Hutt, one of 38 residential suburbs which form the wider region. Waterloo is the 7th largest suburb of Lower Hutt in terms of the total number of residential housing stock. Waterloo provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1900 - 1909. The majority of the residential housing stock in the locality was constructed between 1930 - 1939. Residential housing stock in Waterloo is made up of approximately 98% residential housing and 2% residential investment housing properties.