Before (end of 1975)
Not known.
After (end of 1976)
Not known.
Ward results
Baruc3 seats · turnout 35.4%
| J. Cotter | Conservative | 1,392 |
| I. Burston | Conservative | 1,352 |
| M. Sharp | Conservative | 1,290 |
| R. Hawkins | Labour | 704 |
Bonvilston2 seats
| M. Phillips | Conservative | 679 |
| J. London | Independent | 561 |
| J. Howell | Independent | 525 |
| A. Bonney | Independent | 436 |
| R. Browne | Independent | 331 |
Buttrils3 seats · turnout 44.2%
| B. Evans | Labour | 866 |
| E. Evans | Conservative | 806 |
| J. Mansfield | Conservative | 794 |
| F. Cook | Labour | 767 |
| T. Thompson | Labour | 684 |
| J. Connell | Conservative | 655 |
| K. Greaves | LIB | 355 |
Castleland3 seats · turnout 44.8%
| H. Holmes | Labour | 815 |
| H. Gosling | Labour | 732 |
| F. Mitchell | Labour | 706 |
| S. Jones | Conservative | 641 |
| Williams E. | Conservative | 623 |
| D. Davies | Conservative | 622 |
Court3 seats · turnout 40.4%
| A. Davies | Conservative | 1,042 |
| C. Dunkley | Labour | 989 |
| G. Lewis | Labour | 912 |
| R. Cornwall | Labour | 846 |
| M. Walnycki | Conservative | 799 |
| M. Webb | Conservative | 776 |
| J. Greaves | LIB | 366 |
Dyfan3 seats · turnout 38.6%
| J. Wells | Conservative | 1,101 |
| W. Woodham | Conservative | 1,061 |
| R. Davies | Conservative | 1,038 |
| J. Hinds | Labour | 1,035 |
| R. Bubbins | Labour | 927 |
| W. James | Labour | 919 |
| I. Morgan | LIB | 633 |
Illtyd3 seats · turnout 43.7%
| C. Keeble | Conservative | 1,115 |
| J. Griffiths | Conservative | 1,079 |
| C. Davies | Conservative | 898 |
| J. Trezise | Labour | 870 |
| R. Dunkley | Labour | 851 |
| A. Maidment | Labour | 689 |
| E. Gardiner | LIB | 489 |
Lavernock1 seat · turnout 58.7%
| W. Douthwaite | Conservative | 535 |
| C. Kendall | Labour | 278 |
Leckwith4 seats · turnout 48.1%
| B. Jones | Conservative | 1,648 |
| E. Davies | Conservative | 1,511 |
| C. Carr | Conservative | 1,412 |
| M Pound | Conservative | 1,328 |
| A. Dixon | Plaid Cymru - The Party of Wales | 1,305 |
| W. Griffiths | Labour | 1,142 |
| C. Franks | Plaid Cymru - The Party of Wales | 879 |
| E. Roberts | Plaid Cymru - The Party of Wales | 849 |
| D. Robinson | Plaid Cymru - The Party of Wales | 728 |
Llantwit Major3 seats · turnout 37.2%
| J. George | Independent | 1,587 |
| L. Hughes | Labour | 1,479 |
| D. Thomas | Conservative | 1,165 |
| G. Barratt | Conservative | 1,118 |
| A. David | Labour | 697 |
| J. Halligan | Labour | 450 |