No overall control Conservative The 2021 Basildon Borough Council election took place on 6 May 2021 to elect members of Basildon Borough Council in Essex.

[1] This was on the same day as other local elections.

The Conservative Party regained control of the council from no overall control.

BCRP = Basildon Community Residents Party By-election caused by the resignation of incumbent Labour councillor Gavin Callaghan.