Before (end of 1990)
Not known.
After (end of 1991)
Not known.
Ward results
Aberdulais1 seat · turnout 54.7%
| E. Jones | Labour | 701 |
| J. Harman | Green PC | 114 |
Blaengwrach1 seat
| D. Davies | Labour | 0 |
Briton Ferry East2 seats · turnout 40.8%
| C. Morgan | Labour | 787 |
| S. Tudor | PC | 733 |
| W. Watkins | Labour | 551 |
Briton Ferry West2 seats
| S. Atherton | Labour | 0 |
| C. Chambers | Labour | 0 |
Bryn-Coch North1 seat · turnout 44.4%
| L. Cockwell | PC | 463 |
| A. Davies | Labour | 418 |
Cimla2 seats · turnout 32.8%
| J. Warman | SDP | 989 |
| R. Teale | Labour | 673 |
| D. Blackmore | Labour | 443 |
Coedffranc Central2 seats · turnout 43.5%
| G. Morgan | COMM | 938 |
| D. Florance | Labour | 787 |
| David V. | Labour | 595 |
| J. Whomes | Independent | 250 |
| V. Williams | Ind Lab | 248 |
Coedffranc North1 seat · turnout 49.7%
| D. Davies | SDP | 574 |
| W. Demery | Labour | 335 |
Coedffranc West1 seat · turnout 57.1%
| Walter Williams | Labour | 471 |
| D. Pudner | Independent | 465 |
Dyffryn1 seat · turnout 52.6%
| S. Absalom | PC | 788 |
| M. O'Connor | Labour | 469 |
Glynneath2 seats · turnout 51.8%
| J. Morgan | PC | 856 |
| G. Rowlands | Labour | 843 |
| H. Samuel | Labour | 766 |
| H Lewis | PC | 649 |
Neath East3 seats
| C. Henrywood | Labour | 0 |
| W. Cotton | Labour | 0 |
| D. Davies | Labour | 0 |
Neath North2 seats
| H. Thomas | Labour | 0 |
| J. Dummer | Labour | 0 |
Seven Sisters1 seat
| P. Lloyd | Labour | 0 |
Tonna1 seat · turnout 56.5%
| R. Boulden | Independent | 648 |
| J. Nicholas | Labour | 283 |