Get the best odds on who will be the next mayor of London in 2021. Know the chances that are given in the betting markets to the incumbent Labour London mayor Sadiq Khan, Conservative candidate Shaun Bailey, independent candidate Brian Rose and others to win the 2021 London mayoral election scheduled for May 6. Here you can find the best odds to bet on the actions of the UK Prime Minister, Labour and Tory MPs, UK local elections, Scottish Independence Referendum and more.