Voting Register to vote, how to vote and voting rights for EU citizens. Electoral register Details of the full register and the open register, fees and charges, credit rating agencies and direct mail. Mayor of London and Greater London Assembly elections - Thursday 6 May 2021 A Mayor and 25 Assembly Members are elected to represent London every 4 years and the next election takes place on Thursday 6 May 2021. Referendum for a directly elected Mayor of Croydon Petitions for the elected mayoral referendum and details of the referendum. Council by-elections 6 May 2021 By-elections will take place on Thursday 6 May 2021 to fill casual vacancies for Councillors Vacancies for councillors Casual vacancies for councillors in Croydon. Previous election results Recent election results in Croydon. Electoral reviews of Croydon Electoral reviews in Croydon, including reviews of polling districts, polling places and parliamentary constituencies. Opportunities to work on elections and/or canvass We are always looking to recruit staff to assist at the elections and during annual canvass. Annual electoral registration canvass Every year, by law, we carry out a canvass of the borough to ensure that the electoral register is up to date.