 A postwar review of inadequate housing led to the clearance and redevelopment of areas of the city in a postwar style, often at variance with the local Georgian style. In the 1950s the nearby villages of Combe Down, Twerton and Weston were incorporated into the city to enable the development of housing, much of it council housing. In the 1970s and 1980s it was recognised conservation of historic buildings was inadequate, leading to more care and reuse of buildings and open spaces. In 1987 the city was selected by UNESCO as a World Heritage Site, recognising its international cultural significance.
