Before (end of 2016)
Not known.
After (end of 2017) (2 seats, our estimate)
Labour 2
Ward results
Bonymaen2 seats
| Mandy Evans | Labour | 1,015 ✓ |
| Paul Lloyd | Labour | 1,010 ✓ |
| Geraint Couch | — | 249 |
| Elaine Hughes | Conservative | 227 |
| Wendy June Olsen | Conservative | 210 |