Un Chau Estate, or Un Chau Street Estate before redevelopment, is a public housing estate on the reclaimed land of Cheung Sha Wan, Kowloon, Hong Kong, located between Un Chau Street and Cheung Sha Wan Road, next to MTR Cheung Sha Wan station. It consists of 10 residential buildings completed in 1998, 1999 and 2008, which were developed into 4 phases. Phase 5 was developed on the site of the former Cheung Sha Wan Factory Estate.