Frequently Asked Questions — Castle Ward

Who won the Castle ward election in 2021?

Green Party held Castle ward at the 6 May 2021 Local Election. Green Party won with a majority of 160 votes (5.3%). Turnout was 37.3%.

Which council does Castle ward elect to?

Castle is a ward within Colchester. Councillors elected here sit on Colchester Council, responsible for local services including planning, housing, social care, and waste collection. At this election 37.3% of eligible voters cast a ballot — local elections typically attract 25–40% turnout nationally.

What does swing mean in UK elections?

Swing measures how much support has shifted between two parties compared to a previous election. The Butler swing formula — used in British election reporting since the 1950s — takes the average of the gain in the winner's vote share and the loss in the runner-up's. A 5% swing is considered large at ward level; anything above 10% is exceptional. The swing figure for Castle in 2021 is shown in the statistics above.