Windsor and Maidenhead Borough Council is the local authority for the Royal Borough of Windsor and Maidenhead, which is a unitary authority in Berkshire, England. Until 1 April 1998 it was a non-metropolitan district. Political control Since the first election to the council in 1973 political control of the council has been held by the following parties: Non-metropolitan district Unitary authority Leadership The leaders of the council since 2007 have been: Council elections Non-metropolitan district elections 1973 Windsor and Maidenhead Borough Council election 1976 Windsor and Maidenhead Borough Council election 1979 Windsor and Maidenhead Borough Council election 1983 Windsor and Maidenhead Borough Council election (New ward boundaries) 1987 Windsor and Maidenhead Borough Council election 1991 Windsor and Maidenhead Borough Council election (Borough boundary changes took place but the number of seats remained the same) 1995 Windsor and Maidenhead Borough Council election Unitary authority elections 1997 Windsor and Maidenhead Borough Council election 2000 Windsor and Maidenhead Borough Council election 2003 Windsor and Maidenhead Borough Council election (New ward boundaries reduced the number of seats by 1) 2007 Windsor and Maidenhead Borough Council election 2011 Windsor and Maidenhead Borough Council election 2015 Windsor and Maidenhead Borough Council election 2019 Windsor and Maidenhead Borough Council election (New Ward Boundaries and significant reduction in number of seats) Borough result maps By-election results 1997–2000 2000–2010 2011–2020 References External links Windsor and Maidenhead Council By-election results Politics of the Royal Borough of Windsor and Maidenhead Council elections in Berkshire Unitary authority elections in England