Before (end of 1982) (49 seats, Elections Centre)
Conservative 28 · Labour 16 · Other 3 · SDP-Liberal Alliance 1 · Plaid Cymru - The Party of Wales 1
After (end of 1983) (46 seats, Elections Centre)
Conservative 32 · Labour 10 · Other 2 · Plaid Cymru - The Party of Wales 2 · SDP-Liberal Alliance 0
Ward results
Cadoc3 seats
| C. Price | Labour | 1,070 |
| D. Whitchurch | Conservative | 959 |
| R. Brabrook | Labour | 940 |
| M. Heffernan | Labour | 871 |
| A. Pugh | Conservative | 819 |
| G. Elmos | Conservative | 677 |
| R. Perriam | Plaid Cymru - The Party of Wales | 154 |
| C. Bere | Plaid Cymru - The Party of Wales | 130 |
Cornerswell2 seats
| J. Flangan | Conservative | 1,059 ✓ |
| E. Lloyd | Conservative | 926 ✓ |
| D. Eastwood | Labour | 566 |
| M. Birch | Labour | 564 |
| E. Humphreys | All | 378 |
| L. Waters | All | 374 |
| M. Evans | Plaid Cymru - The Party of Wales | 114 |
| D. Swaffield | Plaid Cymru - The Party of Wales | 88 |
Cowbridge3 seats
| C Clay | Conservative | 1,290 ✓ |
| A Arnott | Conservative | 1,270 ✓ |
| Thomas Jarvie | Conservative | 1,074 ✓ |
| B Gibbon | Independent | 980 |
| D Busher | Independent | 860 |
| H Davey | All | 423 |
| J Sutton | All | 327 |
| R Sutton | All | 290 |
Dinas Powys4 seats
| A. Dixon | Plaid Cymru - The Party of Wales | 1,570 ✓ |
| M Pound | Conservative | 1,516 ✓ |
| E. Davies | Conservative | 1,511 ✓ |
| A. Beavan | Conservative | 1,382 ✓ |
| A. Hill | Conservative | 1,269 |
| M. Thomas | Plaid Cymru - The Party of Wales | 1,217 |
| J. Stitf | Plaid Cymru - The Party of Wales | 937 |
| R. Reeves | Plaid Cymru - The Party of Wales | 872 |
| M. Adams | All | 808 |
| S. Collins | Labour | 617 |
| P. Barker | Labour | 593 |
| T. Davies | Labour | 528 |
| J. Morgan | Labour | 494 |
Llandough1 seat
| D. Grenville | Independent | 323 |
| S. Thomas | Conservative | 320 |
| C. Inker | Plaid Cymru - The Party of Wales | 70 |
Llantwit Major4 seats
| L Hughes | Labour | 1,740 ✓ |
| J Geroge | Conservative | 1,649 ✓ |
| Peter Wallace Jones | Conservative | 1,594 ✓ |
| M Casewell | Conservative | 1,209 ✓ |
| J Pearce | Labour | 1,201 |
| M Pearce | Labour | 1,079 |
| R Berry | Conservative | 996 |
| Sue Mills | Labour | 889 |
Peterson-Super-Ely1 seat · turnout 54.0%
| A Williams | Conservative | 706 |
| R. Baker | Green | 174 |
| T. Humphries | Independent | 131 |
Rhoose2 seats
| H. James | Conservative | 1,015 |
| L. Diamond | Conservative | 934 |
| R. Goodway | Labour | 670 |
| A. Germain | Labour | 563 |
Sully1 seat
| Sampson R. | Conservative | 627 |
| C. Greedy | Plaid Cymru - The Party of Wales | 184 |
