Cromwell is a suburb which lies within the Territorial Authority of Otago, one of 23 residential suburbs which form the wider region. Cromwell is the 2nd largest suburb of Otago in terms of the total number of residential housing stock. Cromwell provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1880 - 1889. The majority of the residential housing stock in the locality was constructed between 2000 - 2009. Residential housing stock in Cromwell is made up of approximately 90% residential housing , 1% residential investment housing and 9% lifestyle properties.