Roslyn is a suburb which lies within the Territorial Authority of Dunedin, one of 97 residential suburbs which form the wider region. Roslyn is the 21st largest suburb of Dunedin in terms of the total number of residential housing stock. Roslyn 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 1970 - 1979. Residential housing stock in Roslyn is made up of approximately 95% residential housing and 5% residential investment housing properties.