Marchwiel is a suburb which lies within the Territorial Authority of Timaru, one of 24 residential suburbs which form the wider region. Marchwiel is the 4th largest suburb of Timaru in terms of the total number of residential housing stock. Marchwiel provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1910 - 1919. The majority of the residential housing stock in the locality was constructed between 1950 - 1959. Residential housing stock in Marchwiel is made up of approximately 99% residential housing and 1% residential investment housing properties.