Shropshire: Matt Lee, who was elected for the Conservatives in Llanymynech division, has left the council group due to a dispute over a council grant to his employer.
Kent: Canterbury North division, after the death of Conservative county councillor John Simmonds. Term ends 2021.
Stroud: Dursley ward, after the resignation of Labour councillor Alison Hayward. Term ends 2020.
Surrey: The Byfleets division, after the death of Conservative county councillor Richard Wilson. Term ends 2021.
Welwyn Hatfield: Welwyn West ward, after the death of the council leader, Mandy Perkins, who was a Conservative. Term ends 2020.
Dates for byelections
Ealing: The byelection due in Dormers Wells ward will be held on 8 November.
Harlow: The byelection due in Netteswell ward will be held on 8 November.
Oxfordshire: The byelection due in Grove and Wantage division will be held on 15 November.
Other updates
Tower Hamlets: After receiving satisfactory reports from the Commissioners, the government has ended the intervention in Tower Hamlets council which had begun in 2014 under the Mayoralty of Lutfur Rahman.