Before (end of 1978)
Not known.
After (end of 1979)
Not known.
Ward results
Abercarn & Cwmcarn3 seats · turnout 66.8%
| W. Davies | Labour | 2,435 |
| B. Coles | Labour | 2,354 |
| E. Fletcher | Labour | 2,252 |
| P. Giblin | Plaid Cymru - The Party of Wales | 1,004 |
Argoed2 seats · turnout 71.1%
| W. Hoskins | Labour | 947 |
| Z. Creed | Labour | 917 |
| G. Gurmin | RATE | 469 |
| T. Suter | RATE | 455 |
Blackwood3 seats · turnout 67.0%
| W. Cole | Labour | 2,047 |
| P. Bullen | Independent | 1,861 |
| I. Brimble | Independent | 1,786 |
| A. Jenkins | Labour | 1,692 |
| G. Smith | Labour | 1,365 |
| W. Watkins | Independent | 1,199 |
| O. Erasmus | Plaid Cymru - The Party of Wales | 651 |
Cefn-Y-Fforest1 seat · turnout 78.3%
| L. Gardiner | Labour | 890 |
| J. Rees | Independent | 443 |
Crumlin3 seats · turnout 61.1%
| F. Perkins | Labour | 2,039 |
| B. Sutton | Labour | 1,658 |
| H. McCarthy | Labour | 1,639 |
| R. Frayne | Plaid Cymru - The Party of Wales | 1,153 |
| P. Jones | Plaid Cymru - The Party of Wales | 988 |
Newbridge3 seats · turnout 71.5%
| A. Richards | Plaid Cymru - The Party of Wales | 2,265 |
| B. Edwards | Plaid Cymru - The Party of Wales | 2,129 |
| M. Ellis | Labour | 1,831 |
| F. Matthews | Labour | 1,816 |
| R. Jones | Labour | 1,579 |
| K. Morrisey | Plaid Cymru - The Party of Wales | 1,490 |
| J. Rees | Conservative | 734 |
Pengam3 seats · turnout 64.0%
| G. Davies | Labour | 1,641 |
| T. Williams | Labour | 1,348 |
| J. Haycocks | Labour | 1,298 |
| F. Sainsbury | Independent | 986 |
| G. Barber | Independent | 700 |
| E. Powell | Plaid Cymru - The Party of Wales | 473 |
Penmain3 seats · turnout 72.2%
| A. Pritchard | Plaid Cymru - The Party of Wales | 1,044 |
| T. Jones | Plaid Cymru - The Party of Wales | 950 |
| D. Morgan | Labour | 792 |
| M. Leyshon | Plaid Cymru - The Party of Wales | 781 |
| W. James | Labour | 618 |
| T. Duckham | Labour | 596 |
| E. Lloyd | RATE | 481 |
| David Thomas | Conservative | 429 |
Pontllanfraith3 seats · turnout 65.8%
| J. Criddle | Plaid Cymru - The Party of Wales | 2,427 |
| R. Hillier | Independent | 1,708 |
| M. Parker | Plaid Cymru - The Party of Wales | 1,707 |
| Winfield J. | Labour | 1,613 |
| S. Harris | Labour | 1,344 |
| I. James | Plaid Cymru - The Party of Wales | 1,185 |
| Webb A. R | & R | 1,136 |
| A. Slocombe | Labour | 1,101 |
| L. Ruff | Independent | 946 |
Risca Central2 seats
| J. Roberts | Labour | 1,116 |
| G. Browning | Labour | 985 |
| Webster R. R | & R | 482 |
| D. Rees | Independent | 404 |
Risca North3 seats
| M. Huntley | Labour | 1,262 |
| S. Griffin | Independent | 1,260 |
| G. Whatley | Labour | 1,082 |
| G. Gardner | Ind SOC | 868 |
| S. Morris | Labour | 844 |
| G. Withey | RATE | 593 |
Risca South4 seats · turnout 64.4%
| J. Callaghan | Labour | 2,426 |
| A. Rosser | Labour | 2,402 |
| A. Dance | Labour | 2,398 |
| D. Toomer | Labour | 2,022 |
| R. Webster | Independent | 1,909 |
| Howell G. Ind R | & R | 1,530 |
| J. Smith | Independent | 1,489 |
| R. Hodge | Independent | 1,167 |
| V. Rees | Independent | 1,009 |
Ynysddu3 seats · turnout 72.2%
| A. Humphreys | Labour | 1,225 |
| R. Cooke | Labour | 1,199 |
| D. Prosser | Labour | 1,147 |
| D. Cullen | Plaid Cymru - The Party of Wales | 586 |
| G. Williams | Independent | 513 |
| W. Davies | Independent | 456 |
| A. Edwards | Plaid Cymru - The Party of Wales | 410 |
