Sefton is a suburb which lies within the Territorial Authority of Waimakariri, one of 22 residential suburbs which form the wider region. Sefton is the 11st largest suburb of Waimakariri in terms of the total number of residential housing stock. Sefton 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 Sefton is made up of approximately 21% residential housing and 79% lifestyle properties.