Council by-election results - 6 May 2021 Details and results from council by-election held on 6 May 2021. Mayor of London and Greater London Assembly elections - Thursday 6 May 2021 Details and results from the Mayor of London and Greater London Assembly elections held on Thursday 6 May 2021. 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. Referendum for a directly elected Mayor of Croydon Petitions for the elected mayoral referendum and details of the referendum. 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.