Before (end of 1972)
Not known.
After (end of 1973)
Not known.
Ward results
Abersychan & Garndiffaith3 seats · turnout 45.7%
| C. Little | Labour | 1,760 |
| A. Parry | Labour | 1,634 |
| G. Miles | COMM | 1,529 |
| W. Berry | Labour | 1,486 |
| G. Williams | COMM | 720 |
Blaenavon4 seats · turnout 51.3%
| D. Puddle | Labour | 1,701 |
| W. Arnold | RATE | 1,660 |
| W. Price | RATE | 1,650 |
| P. Roberts | Labour | 1,502 |
| C. Pullin | RATE | 1,048 |
| J ones R. | Labour | 1,046 |
| S. Banks | Labour | 890 |
| W. Edwards | Dem Lab | 751 |
| E. Greenwood | RATE | 620 |
Cwmbran Central3 seats · turnout 25.5%
| K. Morgan | Labour | 1,158 |
| J. Jones | Labour | 1,122 |
| D. Richards | Labour | 1,112 |
| R. Davies | Independent | 622 |
Fairwater & Henllys4 seats · turnout 13.0%
| B. Smith | Labour | 911 |
| G. Parry | Labour | 892 |
| D. Lloyd | Labour | 887 |
| P. Murphy | Labour | 855 |
| D. Clark | COMM | 277 |
Griffithstown3 seats · turnout 38.8%
| W. Evans | Labour | 1,484 |
| J. Whittington | Labour | 1,296 |
| A. Moore | Independent | 1,197 |
| R. Morgan | Labour | 1,112 |
| C. Irving | Independent | 923 |
Old Cwmbran3 seats · turnout 33.1%
| D. Rex | Independent | 974 |
| W. Waters | COMM | 753 |
| F. Gifford | Labour | 651 |
| M. Dean | Labour | 516 |
| E. Humphries | Labour | 508 |
| H. Davidson | Independent | 443 |
Pontymoel & Pontypool3 seats · turnout 44.4%
| M. Lee | Labour | 1,809 |
| G. Day | Labour | 1,405 |
| W. Jackson | Labour | 1,360 |
| M. Wells | Independent | 871 |
| P. Palmer | Plaid Cymru - The Party of Wales | 369 |
Wainfelin3 seats · turnout 30.2%
| D. Cottrell | Labour | 880 |
| H. Rosser | Labour | 799 |
| C. Thomas | Labour | 788 |
| E. Palmer | Plaid Cymru - The Party of Wales | 579 |