Before (end of 1976) (78 seats, Elections Centre)
Labour 59 · Conservative 12 · Other 3 · The Liberal Party 3 · Plaid Cymru - The Party of Wales 1
After (end of 1977) (78 seats, Elections Centre)
Labour 37 · Conservative 28 · Other 10 · Plaid Cymru - The Party of Wales 2 · The Liberal Party 1
Ward results
Aberbeeg & Six Bells1 seat · turnout 46.2%
| H. Snelgrove | Labour | 1,224 |
| L. Wheeler | Plaid Cymru - The Party of Wales | 910 |
Abercarn1 seat · turnout 50.0%
| C. Dunn | Labour | 641 |
| J. Criddle | Plaid Cymru - The Party of Wales | 365 |
| K. Pon | RATE | 346 |
Abercarn & Cwmcarn1 seat · turnout 60.0%
| R. Pidgeon | Labour | 1,311 |
| M. Phillips | Independent | 584 |
| P. Gibbling | Plaid Cymru - The Party of Wales | 463 |
Abergavenny Cantref & Grofield1 seat · turnout 37.4%
| R. Smith | Conservative | 976 |
| R. Bowditch | LIB | 427 |
| P. Williams | Conservative | 0 ✓ |
Abersychan Central1 seat · turnout 47.7%
| W. Berry | Labour | 647 |
| J. Rees | Plaid Cymru - The Party of Wales | 252 |
| A. Lewis | RATE | 194 |
Abersychan North1 seat · turnout 48.5%
| G. Miles | COMM | 814 |
| C. Little | Labour | 604 |
Abertillery1 seat · turnout 52.7%
| R. Owen | Labour | 906 |
| R. Jones | Independent | 735 |
Alexander1 seat · turnout 52.5%
| R. Jones | Labour | 616 ✓ |
| C. Griffiths | Conservative | 424 |
| R. Dray | RATE | 246 |
| D. Hughes | Plaid Cymru - The Party of Wales | 188 |
Allt-Yr-Yn1 seat · turnout 55.7%
| W. Huckle | Conservative | 2,351 |
| I. Simms | Labour | 446 |
| R. Mole | Plaid Cymru - The Party of Wales | 196 |
Alway2 seats · turnout 42.9%
| A Martin | Conservative | 1,573 |
| J. Turner | Labour | 1,431 |
| W. Weight | Conservative | 1,417 |
| E. Murray | Labour | 1,228 |
Argoed & Cefn Fforest1 seat · turnout 47.7%
| O. Lloyd | Labour | 1,138 |
| S. Gurmin | Independent | 565 |
Bassaleg & Marshfield1 seat · turnout 46.3%
| P. Brimmer | Conservative | 1,348 |
| A. Tyrer | Labour | 372 |
| I. Waskett | LIB | 356 |
Beechwood2 seats · turnout 45.8%
| P. Edwards | Conservative | 1,309 |
| L. Williams | Conservative | 1,201 |
| Kennedy L. | Labour | 961 |
| G. Purnell | Labour | 924 |
| W. Crowther | LIB | 649 |
| D. Tully | LIB | 427 |
Bettws1 seat · turnout 31.6%
| A. Wilson | Labour | 977 ✓ |
| E. Smith | Conservative | 516 |
| R. Clarke | RATE | 311 |
| B. Phillips | Plaid Cymru - The Party of Wales | 144 |
Blackwood1 seat · turnout 71.1%
| D. Bosley | Labour | 977 ✓ |
| G. Jenkins | Labour | 803 |
| D. Williams | Independent | 769 |
| S. Parry | Independent | 768 |
| R. Barker | Plaid Cymru - The Party of Wales | 459 |
Brynmawr1 seat · turnout 68.7%
| G. Webb | Independent | 1,196 ✓ |
| E. Panton | Labour | 962 |
| R. Williams | Plaid Cymru - The Party of Wales | 536 |
| S. Atkins | Conservative | 333 |
Caerleon1 seat · turnout 60.8%
| S. Veale | Conservative | 1,759 |
| J. Kirkwood | Labour | 1,225 |
Caerwent1 seat · turnout 51.7%
| I. Morgan | Conservative | 1,496 |
| Baldwin S. | Labour | 923 |
Caldicot1 seat · turnout 32.7%
| G. Powell | Labour | 1,201 |
| H. Richards | Conservative | 1,108 |
Central1 seat · turnout 46.8%
| J. Marsh | Labour | 845 |
| M. Bevan | Conservative | 807 |
| C. Priest | Plaid Cymru - The Party of Wales | 95 |
Chepstow1 seat · turnout 45.4%
| A. Hutley | Labour | 1,217 |
| C. Walker | Conservative | 1,088 |
| E. Spanswick | Ind Lab | 108 |
Crickhowell & Llanelly Parish1 seat · turnout 55.8%
| G. Hayward | Conservative | 1,045 |
| J. Jones | Labour | 581 |
| J. Davies | Conservative | 0 ✓ |
Crumlin1 seat · turnout 54.1%
| A. England | Labour | 1,324 |
| M. Lloyd | Plaid Cymru - The Party of Wales | 548 |
| O. Erasmus | RATE | 328 |
Cwmbran Central & Llantarnam1 seat · turnout 45.7%
| J. Jones | Labour | 946 ✓ |
| Z. Scott | Independent | 779 |
| D. Miles | Independent | 426 |
| R. Cox | Plaid Cymru - The Party of Wales | 142 |
| P. Kinsella | LIB | 49 |
Cwmtillery1 seat · turnout 44.1%
| T. Mytton | Labour | 1,298 |
| M. Owen | Plaid Cymru - The Party of Wales | 735 |
Ebbw Vale Badminton Central & Cwm2 seats · turnout 50.1%
| W. Jones | RATE | 1,962 |
| B. Greenland | RATE | 1,647 |
| K. Barnes | Labour | 1,465 |
| N. Morgan | Labour | 1,386 |
Ebbw Vale Central & Cwm South3 seats · turnout 48.1%
| J. Rogers | Labour | 3,120 |
| R. Morgan | Labour | 2,877 |
| H. McKelvey | RATE | 2,633 |
| P. Cross | Labour | 2,320 |
| C. Phillips | RATE | 2,209 |
| T. Newman | RATE | 2,121 |
| D. Kerwick | Plaid Cymru - The Party of Wales | 1,632 |
Fairwater & Henllys1 seat · turnout 27.6%
| R. Wellington | Labour | 1,021 ✓ |
| D. Orton | Conservative | 932 |
| P. Cox | Plaid Cymru - The Party of Wales | 238 |
| M. Morgan | LIB | 146 |
Llanfoist & Llanover1 seat · turnout 53.9%
| C. Williams | Conservative | 1,313 |
| G. John | Labour | 742 |
Llanfrechfa Lower2 seats · turnout 41.8%
| S. Knox | Conservative | 1,913 |
| J. Walker | Independent | 1,902 |
| M. Thomas | Labour | 1,684 |
| R. Hill | Labour | 1,362 |
| M. Perring | Plaid Cymru - The Party of Wales | 367 |
Llanhilleth1 seat
| R. Rice | Labour | 0 ✓ |
Lliswerry2 seats · turnout 32.4%
| C. Lussman | Conservative | 1,321 |
| B. Postle | Conservative | 1,291 |
| R. Lloyd | Labour | 1,145 |
| H. Herbert | Labour | 1,041 |
Malpas2 seats · turnout 47.9%
| J. Davies | Conservative | 1,675 |
| N. Trigg | Conservative | 1,666 |
| K. James | Labour | 1,585 |
| M. Lewis | Labour | 1,441 |
Monmouth Rural1 seat · turnout 50.6%
| G. Inkin | Conservative | 1,999 |
| S. Appelton | Independent | 467 |
| L. Moore | Labour | 222 |
Nantyglo & Blaina Central & Sou1 seat · turnout 64.1%
| K. Jayne | Labour | 1,678 |
| R. Davies | Independent | 1,402 |
Nantyglo & Blaina North1 seat · turnout 62.9%
| W. Gore | Labour | 890 |
| K. Hughes | Independent | 411 |
| K. Finney | Plaid Cymru - The Party of Wales | 266 |
Newbridge1 seat · turnout 64.3%
| A. Richards | Plaid Cymru - The Party of Wales | 1,536 |
| F. Matthews | Labour | 1,408 |
Old Cwmbran1 seat · turnout 30.7%
| D. Rex | Independent | 777 |
| H. Ford | Labour | 455 |
| J. Morris | Plaid Cymru - The Party of Wales | 177 |
Panteg East1 seat · turnout 51.0%
| E. Jones | Independent | 2,058 |
| J. Tohig | Labour | 1,423 |
Panteg West1 seat · turnout 41.2%
| A. Skuse | Labour | 913 |
| W. Morris | Conservative | 760 |
| L. Jackson | COMM | 148 |
Pontllanfraith1 seat · turnout 40.2%
| M. Parker | Plaid Cymru - The Party of Wales | 983 ✓ |
| B. Chicken | Labour | 717 |
| A. Webb | Independent | 568 |
| E. Gardener | RATE | 422 |
Pontnewydd1 seat · turnout 44.0%
| R. White | Labour | 843 |
| P. Pritchard | RATE | 715 |
| I. Brisbane | Plaid Cymru - The Party of Wales | 126 |
Pontnewyndd North1 seat · turnout 30.6%
| S. Ball | Labour | 809 ✓ |
| K. Dawson | Independent | 435 |
| L. Irwin | COMM | 219 |
| G. Jeffreys | Independent | 209 |
Pontnewynydd South1 seat · turnout 41.4%
| T. Cottrell | Labour | 608 |
| E. Palmer | Plaid Cymru - The Party of Wales | 436 |
| E. Coles | RATE | 348 |
Pontypool1 seat · turnout 43.7%
| P. Wells | Independent | 453 ✓ |
| P. Young | Labour | 420 |
| D. Norris | Independent | 117 |
| P. Palmer | Plaid Cymru - The Party of Wales | 63 |
Ringland2 seats · turnout 38.4%
| P. Flynn | Labour | 1,731 |
| A. Edwards | Labour | 1,709 |
| D. Roberts | Conservative | 994 |
| T. Tranter | Conservative | 992 |
Risca Central1 seat · turnout 63.3%
| E. Griffiths | Labour | 799 |
| J. Farmer-Little | Conservative | 492 |
Risca North1 seat · turnout 55.1%
| M. Parfitt | Ind So | 962 |
| A. West | Labour | 749 |
Risca South1 seat · turnout 33.6%
| R. Beecham | Labour | 1,410 |
| T. Howell | RATE | 1,080 |
Rogerstone1 seat · turnout 47.9%
| G. Powell | Conservative | 1,323 ✓ |
| G. Scrivens | Labour | 1,174 |
| R. Webster | RATE | 431 |
| R. Pierce | Plaid Cymru - The Party of Wales | 184 |
Shaftesbury1 seat · turnout 45.9%
| D. Jewitt | Conservative | 1,399 |
| Bosley E. | Labour | 995 |
Shirennewton & Tintern1 seat · turnout 45.9%
| I. Heath | Conservative | 1,706 |
| A. Dickinson | Labour | 334 |
St.Julians2 seats · turnout 47.1%
| W. Morris | Conservative | 1,901 |
| A. Copus | Conservative | 1,817 |
| E. Evans | Labour | 1,320 |
| M. Delahay | Labour | 1,166 |
St.Woolos2 seats · turnout 38.0%
| L. Turnbull | Labour | 2,048 |
| J. Pembridge | Labour | 1,966 |
| I. Powell | Conservative | 1,265 |
| B. Hustler | Conservative | 1,224 |
Tredegar Central & West1 seat · turnout 46.6%
| C. Jones | Labour | 1,155 ✓ |
| J. O'Leary | LIB | 901 |
| G. Bowen-Knight | Plaid Cymru - The Party of Wales | 347 |
| R. Williams | Ind Lab | 158 |
Tredegar Georgetown1 seat · turnout 50.7%
| M. Edwards | Labour | 678 |
| A. Holley | LIB | 407 |
| G. Roberts | Plaid Cymru - The Party of Wales | 214 |
Tredegar Sirhowy1 seat · turnout 58.0%
| D. Thomas | LIB | 1,551 |
| L. Harris | Labour | 968 |
Upper Cwmbran1 seat · turnout 30.4%
| E. Price | Labour | 634 |
| A. Morgan | Independent | 483 |
Usk & Pontypool Rural1 seat · turnout 54.5%
| V. Etheridge | Conservative | 2,415 |
| N. Hodkin | Labour | 518 |
Victoria1 seat · turnout 49.9%
| K. Jordan | Conservative | 1,183 |
| P. Geraghty | Labour | 1,163 |
