Powys: Jon Williams (Llandrindod East / West division) has recently left the Action for Powys group to sit as a non-aligned councillor.
Redcar and Cleveland: Graham Jeffery, who was elected for the Conservatives in Hutton ward but left the party in March to sit as an Independent, has now joined the Liberal Democrats. Meanwhile three members of the Cleveland Independent Group have joined the Independent Group (Cliff Foggo and Julie Craig (Skelton East ward), with Vera Rider (Longbeck ward). Two formerly non-aligned Independent councillors have also joined the group.
South Kesteven: John Cottier, who was elected for the Conservatives in Grantham Barrowby Gate, has left the party to sit as an unaligned Independent councillor.
Ealing: Dormers Wells ward, after the death of Labour councillor Tejinder Dhami. His term was due to end in May so he will not be replaced in a byelection.