St Kingsmark, Monmouthshire
Jenni Brews stood for the Liberal Democrats in this Conservative seat, moving up into a good second place.
These by-election results round-ups cover principal authority by-elections. See my post The danger in celebrating parish and town council wins for your own party for the reasons to avoid straying too often into covering town, parish or community council by-elections.
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If you sign up for my daily email with the latest pieces from this site, you’ll also get included as a little bonus the full set of council by-election results each week: