The latest updates on local electoral information are as follows.
Change of allegiance
New vacancy
- Gwynedd: Morfa Nefyn division, after the resignation of Plaid Cymru councillor Siân Wyn Hughes. Term ends 2022.
Dates for byelections
- Gwynedd: The byelection due in Morfa Nefyn division will be held on 23 May.
- Neath Port Talbot: The byelection due in Resolven division will be held on 23 May.
Postponed poll
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