Before (end of 1988) (78 seats, Elections Centre)
Labour 67 · Conservative 9 · Plaid Cymru - The Party of Wales 1 · Liberal Democrats 1 · Other 0
After (end of 1989) (63 seats, Elections Centre)
Labour 55 · Conservative 7 · Other 1 · Liberal Democrats 0 · Plaid Cymru - The Party of Wales 0
Ward results
Abercarn1 seat · turnout 40.5%
| R. Pidgeon | Labour | 1,171 ✓ |
| P. Williams | Other | 370 |
Abergavenny1 seat · turnout 54.3%
| K. Evans | Labour | 1,653 ✓ |
| P. Williams | Conservative | 1,556 |
Abersychan1 seat · turnout 40.8%
| D. Jones | Labour | 1,370 ✓ |
| J. Cox | Other | 485 |
| T. Burgess | Other | 184 |
| J. Rees | Plaid Cymru - The Party of Wales | 148 |
Abertillery1 seat
| R. Owen | Labour | 0 ✓ |
Allt-Yr-Yn1 seat · turnout 43.8%
| C. Reeves | Conservative | 1,461 ✓ |
| J. Clist | Labour | 1,024 |
| P. James | Green | 240 |
Alway1 seat · turnout 37.7%
| K. Powell | Labour | 1,586 ✓ |
| V. Gwilliam | Conservative | 575 |
Beaufort1 seat
| G. Daniels | Labour | 0 ✓ |
Beechwood1 seat · turnout 44.7%
| R. Morris | Labour | 1,856 ✓ |
| G. Jones | Conservative | 497 |
| J. Hillman | Liberal Democrats | 470 |
Blaenavon1 seat · turnout 30.5%
| P. Hardwicke | Labour | 1,254 ✓ |
| G. Layton | Other | 259 |
Brynmawr1 seat · turnout 59.3%
| M. Jones | Labour | 1,287 ✓ |
| M. Jones | Independent | 1,116 |
| H. Faulkner | Plaid Cymru - The Party of Wales | 190 |
Caerleon1 seat · turnout 52.4%
| K. Kirkwood | Labour | 2,138 ✓ |
| C. Alger | Conservative | 714 |
| T. Davis | Green | 359 |
Caerwent1 seat · turnout 49.2%
| S. Richards | Labour | 842 ✓ |
| D. Spence | Conservative | 824 |
Caldicot Town1 seat · turnout 38.9%
| G. Powell | Labour | 1,644 ✓ |
| M. Thomas | Conservative | 521 |
| H. Ratledge | Liberal Democrats | 333 |
Chepstow North1 seat · turnout 40.2%
| C. White | Conservative | 1,608 ✓ |
| A. Newman | Labour | 943 |
Chepstow South1 seat · turnout 47.0%
| A. Huntley | Labour | 1,418 ✓ |
| C. Hyland | Conservative | 397 |
| H. Hodges | Liberal Democrats | 236 |
Croesyceiliog1 seat · turnout 47.5%
| M. Thomas | Labour | 1,616 ✓ |
| D. Friend | Conservative | 427 |
| S. Davenport | Green | 217 |
Cwmtillery1 seat · turnout 42.7%
| W. Vowles | Labour | 1,099 ✓ |
| T. Angel | Other | 551 |
Ebbw Vale North1 seat
| R. Morgan | Labour | 0 ✓ |
Ebbw Vale South1 seat · turnout 38.6%
| P. Evans | Labour | 1,468 ✓ |
| S. O'Callaghan | Residents | 518 |
| J. Davies | Green | 386 |
Fairwater1 seat · turnout 25.4%
| J. Mullin | Labour | 1,259 ✓ |
| M. Witherden | Green | 235 |
| S. Phillips | Other | 164 |
Gaer1 seat · turnout 46.0%
| J. Pembridge | Labour | 2,592 ✓ |
| J. Ferris | Conservative | 560 |
Llanelly1 seat · turnout 58.4%
| R. Rees | Labour | 922 ✓ |
| G. Hayward | Conservative | 908 |
Llanhilleth1 seat
| R. Bartlett | Labour | 0 ✓ |
Llanover1 seat · turnout 50.2%
| K. Gass | Labour | 1,597 ✓ |
| J. Hanford | Conservative | 1,322 |
Llantarnam1 seat · turnout 36.6%
| B. Ryan | Labour | 1,632 ✓ |
| D. Giles | Other | 903 |
Llanwern1 seat · turnout 42.3%
| J. Major | Conservative | 1,188 ✓ |
| E. Watkins | Labour | 783 |
Llanyravon1 seat · turnout 57.0%
| G. Caron | Labour | 992 ✓ |
| E. Kerby | Conservative | 551 |
| V. Watkins | Liberal Democrats | 517 |
Monmouth1 seat · turnout 40.6%
| J. Lewis | Conservative | 1,285 ✓ |
| R. Smith | Other | 880 |
| H. Cuming | Labour | 358 |
| J. Fletcher | Independent | 244 |
Monmouth Rural1 seat · turnout 42.3%
| W. Goodwin | Conservative | 1,313 ✓ |
| F. David | Liberal Democrats | 758 |
| A. Pursell | Labour | 323 |
Mynyddislwyn1 seat
| E. Williams | Labour | 0 ✓ |
Nantyglo & Blaina1 seat
| W. Gore | Labour | 0 ✓ |
Panteg North1 seat · turnout 39.4%
| B. Maurice | Labour | 1,459 ✓ |
| D. Noller | Conservative | 493 |
Panteg South1 seat · turnout 42.2%
| D. Touhig | Labour | 1,803 ✓ |
| M. Logan-Salton | Conservative | 355 |
Pengam1 seat · turnout 35.3%
| G. Jenkins | Labour | 1,654 ✓ |
| N. Turner | Plaid Cymru - The Party of Wales | 358 |
Pillgwenlly1 seat · turnout 46.2%
| R. Jones | Labour | 1,292 ✓ |
| D. Lewis | Conservative | 228 |
| C. Small | Green | 78 |
Pontllanfraith1 seat · turnout 52.6%
| J. Winfield | Labour | 1,768 ✓ |
| M. Parker | Plaid Cymru - The Party of Wales | 1,210 |
| L. Ruff | Conservative | 227 |
Pontnewydd1 seat · turnout 39.2%
| F. O'Kelly | Labour | 1,599 ✓ |
| D. Levy | Other | 276 |
Ringland1 seat · turnout 33.1%
| R. Bright | Labour | 1,900 ✓ |
| A. Hillman | Liberal Democrats | 301 |
Risca East1 seat
| E. Paginton | Labour | 0 ✓ |
Risca West1 seat
| E. Griffiths | Labour | 0 ✓ |
Rogerstone1 seat · turnout 47.9%
| R. Kelly | Labour | 1,777 ✓ |
| J. Toleman | Conservative | 975 |
Severnside1 seat · turnout 43.6%
| M. Harris | Labour | 1,296 ✓ |
| V. Bashford | Conservative | 834 |
Shaftesbury1 seat · turnout 42.6%
| M. Delahay | Labour | 1,350 ✓ |
| P. Davies | Conservative | 377 |
Sirhowy1 seat · turnout 48.8%
| B. Thomas | Independent | 1,525 ✓ |
| T. Lloyd | Labour | 1,518 |
| T. Davies | Plaid Cymru - The Party of Wales | 443 |
St.Julians1 seat · turnout 47.3%
| W. Waters | Labour | 2,005 ✓ |
| P. Davies | Conservative | 926 |
Stowhill1 seat · turnout 43.3%
| J. Marsh | Labour | 884 ✓ |
| A. Stokes | Conservative | 391 |
| R. Gribble | Green | 119 |
Tredegar Central & West1 seat · turnout 37.9%
| C. Jones | Labour | 1,554 ✓ |
| J. Harriman | Independent | 344 |
Tredegar Park1 seat · turnout 43.8%
| H. Herbert | Labour | 960 ✓ |
| M. Doody | Conservative | 673 |
Trevethin1 seat
| C. Griffiths | Labour | 0 ✓ |
Upper Cwmbran1 seat
| D. Price | Labour | 0 ✓ |
Usk Rurale1 seat · turnout 48.3%
| P. Clarke | Conservative | 1,844 ✓ |
| A. Leathwood | Labour | 899 |
Victoria1 seat
| P. Geraghty | Labour | 0 ✓ |
Wainfelin1 seat · turnout 30.9%
| G. Davies | Labour | 1,719 ✓ |
| H. Witheridge | Conservative | 339 |
| D. Layton | Other | 189 |
