2021 Halton Borough Council election

The 2021 Halton Borough Council election took place on 6 May 2021 to elect all 54 members (reduced from 56 at the last elections) of the council due to a redrawing of boundaries. It was held on the same day as other local elections. Turnout was 25%.

Council composition
Following the last election in 2019, the composition of the council was:

After the election, the composition of the council was:

LD - Liberal Democrats C - Conservative G - Green Party