Before (end of 1990)
Not known.
After (end of 1991) (6 seats, our estimate)
Labour 3 · Liberal Democrats 2 · Conservative 1
Ward results
Bro Machno1 seat
| P McCavish | Labour | 238 ✓ |
| H. Williams | Independent | 232 |
Bryn Rhys1 seat
| G Rees | Labour | 308 ✓ |
| David Williams | Independent | 267 |
Fforddlas1 seat
| Williams V. | Conservative | 216 ✓ |
| T Highlock | Liberal Democrats | 174 |
Lafan1 seat
| W. Roberts | Liberal Democrats | 0 ✓ |
Pant-Yr-Afon1 seat
| Jones E. | Liberal Democrats | 472 ✓ |
| K Stevens | Labour | 219 |