Braintree District Council in Essex, England is elected every four years. Since the last comprehensive boundary changes in 2015, 49 councillors have been elected from 26 wards.
A by-election occurs when seats become vacant between council elections. Below is a summary of by-elections from 1983 onwards. Full by-election results are listed under the last regular election preceeding the by-election and can be found by clicking on the ward name.