What happens when houses in a socially disadvantaged public housing estate go under the hammer? On the very edge of southwest Sydney, where suburban sprawl meets bushland, a number of unusual auctions have begun. The NSW Department of Housing is selling off houses it can no longer afford to maintain, and making plans to bulldoze others, in an effort to revamp the suburb of Airds. Suburb 4 Sale is a one-hour observational documentary filmed over 2 years with three families as they buy into, or try to opt out of, a public housing estate. The film is an intimate, dramatic portrayal of their ups and downs, their joys and disappointments. This is real life drama during a period of broad social and economic change. Just over two years ago Daniel and Kim Torr blew their budget by $30,000 to buy one of the former Department of Housing homes in Airds at auction. We follow them through the auction process, and the trials and tribulations of turning the rundown abandoned public housing property ...