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How to vote

✶ House of Commons · 650 seats

Who can
govern?

The Prime Minister is whoever can command the confidence of the House of Commons. On paper that takes 326 of 650 votes. In practice the line is lower: the Speaker does not vote, and an MP who has not taken the oath cannot, so 8 seats are out of play and 322 wins a division.

Majority builder

Put parties
on a side.

0 voting MPs on your government side · 322 wins a division when every voting MP turns up · formal majority 326 of 650

Government

    Unaligned / not voting

      Opposition

        Tap a party to move it government → opposition → unaligned.

        Uniform swing

        What if the votes
        moved?

        Average of 8 pollsters to 2 November 2026: Lab 29% · Con 22% · Reform 22% · Lib Dem 10% · Green 9% · SNP 3% · Plaid 1%

            Uniform swing adds the same change to a party's share in every seat it contested and re-runs first-past-the-post. It ignores tactical voting, local candidates and where new parties stand, so treat it as a what-if, not a forecast.

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            Westminster constituencies (2024 boundaries), coloured by winner under the scenario; seats that change hands stay bright.