One third of Colchester City Council in Essex, England is elected each year, followed by one year without election. Since the last boundary changes at the 2016 election, 51 councillors have been elected from 17 wards. Political control As of 15 December 2022, the council's composition is: Since the first election to the council in 1973 political control of the council has been held by the following parties: Detailed results of these elections are shown in the table below. Boundary changes took place for the 1990, 2002 and 2016 elections leading to the whole council being elected on those years. Leadership The leaders of the council since 2008 have been: Results Maps By-election results By-elections occur when seats become vacant between council elections. Below is a summary of by-elections from 1997 onwards; full by-election results can be found by clicking on the by-election name. Notes References By-election results External links Colchester Borough Council Council elections in Essex District council elections in England