Green Party celebrates win over Labour in Grangetown by-election and says they’re on track for Senedd breakthrough 15 August 2025 / 15 August 2025 by Green Party The Green Party of England and Wales is today celebrating a significant by-election win by taking the Grangetown seat on Cardiff council from Labour. The result underlines Greens' growing support across south Wales while showing support for Labour slipping away. The Green Party believes it is now on course to elect its first Green Member of the Senedd (MS) in the upcoming Caerdydd Penarth constituency contest in 2026. Read more » Anthony Slaughter Green Party Senedd Wales