By-Election Location
By winning party colour
Voting Breakdown
Percentage based
Gains and Losses
Percentage based
Plaid Cymru 189 [59.4%; +2.1%]
Labour 110 [34.6%; -0.2%]
LD Andrew Joyce 19 [6%; -1.9%]
Majority: 79
Plaid Cymru Hold
Percentage change since 2012