Before (end of 1998) (46 seats, Elections Centre)
Labour 35 · Conservative 6 · Plaid Cymru - The Party of Wales 5 · Other 0 · Liberal Democrats 0
After (end of 1999) (47 seats, Elections Centre)
Conservative 22 · Labour 19 · Plaid Cymru - The Party of Wales 6 · Other 0 · Liberal Democrats 0
Ward results
Alexandra5 seats
| O Kelly | Conservative | 1,747 ✓ |
| A Wicks | Conservative | 1,684 ✓ |
| P Gray | Labour | 1,627 ✓ |
| A Williams | Conservative | 1,626 ✓ |
| J Fraser | Conservative | 1,626 ✓ |
| J Birch | Labour | 1,600 |
| C Osborne | Conservative | 1,594 |
| R Birch | Labour | 1,583 |
| M Wilson | Labour | 1,442 |
| G Roberts | Labour | 1,390 |
| S Rabaiotti | Independent | 1,232 |
| C Maw | Liberal Democrats | 1,203 |
Buttrills2 seats
| M Alexander | Labour | 790 ✓ |
| Stuart Egan | Labour | 723 ✓ |
| D Burns | Plaid Cymru - The Party of Wales | 446 |
| Gillian Bruce | Conservative | 428 |
| S Newman | Conservative | 416 |
| J Parker | Plaid Cymru - The Party of Wales | 341 |
Cadoc3 seats
| F Johnson | Labour | 1,103 ✓ |
| A Moore | Labour | 1,038 ✓ |
| N. Moore | Labour | 1,012 ✓ |
| E. Jones | Plaid Cymru - The Party of Wales | 596 |
| K Stockdale | Plaid Cymru - The Party of Wales | 554 |
| J Vickery | Plaid Cymru - The Party of Wales | 504 |
| H Cannon | Conservative | 454 |
| A Wagstaffe | Conservative | 405 |
Cornerswell2 seats
| N Gibbs | Labour | 923 ✓ |
| J Fraser | Conservative | 531 ✓ |
| Anna Rees | Conservative | 499 |
| D Elston | Liberal Democrats | 426 |
| R Mahoney | Liberal Democrats | 390 |
Cowbridge3 seats
| C Clay | Conservative | 1,579 ✓ |
| R Davies | Conservative | 1,503 ✓ |
| Thomas Jarvie | Conservative | 1,401 ✓ |
| J Baty | Labour | 1,087 |
| G Hughes | Labour | 697 |
| N Butcher | Labour | 657 |
| L Adams | Plaid Cymru - The Party of Wales | 630 |
| Huw Llewellyn-Morgan | Plaid Cymru - The Party of Wales | 564 |
Dinas Powys4 seats
| Christopher Franks | Plaid Cymru - The Party of Wales | 2,086 ✓ |
| J Jones | Plaid Cymru - The Party of Wales | 1,641 ✓ |
| R Bowen | Plaid Cymru - The Party of Wales | 1,466 ✓ |
| R Reeves | Plaid Cymru - The Party of Wales | 1,375 ✓ |
| B McParlin | Conservative | 1,226 |
| Madeline Pound | Conservative | 1,106 |
| J Collins | Conservative | 1,086 |
| C Wilcock | Conservative | 933 |
| T Davies | Labour | 791 |
| I Davies | Labour | 765 |
| C Locke | Labour | 621 |
| S Sutherland | Labour | 588 |
| H Griffiths | Liberal Democrats | 443 |
Dyfan2 seats
| A Powell | Labour | 667 ✓ |
| Malcolm Sharp | Labour | 642 ✓ |
| V Lloyd | Conservative | 531 |
| V Tresidder | Conservative | 509 |
| Shirley Ann Hodges | Plaid Cymru - The Party of Wales | 438 |
| G Dodd | Plaid Cymru - The Party of Wales | 420 |
| M Stringer | Ind Lab | 81 |
Gibbonsdown2 seats
| R. Curtis | Labour | 852 ✓ |
| M. Nugent | Labour | 760 ✓ |
| T. Morgan | Plaid Cymru - The Party of Wales | 693 |
| R. Evans | Plaid Cymru - The Party of Wales | 587 |
Illtyd3 seats
| Anthony Hampton | Conservative | 1,539 ✓ |
| E Williams | Conservative | 1,259 ✓ |
| J Charles | Conservative | 1,205 ✓ |
| N Brown | Labour | 1,097 |
| M Griffiths | Labour | 940 |
| John Hartland | Labour | 872 |
| R Joseph | Plaid Cymru - The Party of Wales | 523 |
| W Jones | Plaid Cymru - The Party of Wales | 466 |
| P Svendsen | Plaid Cymru - The Party of Wales | 404 |
Llandough1 seat · turnout 47.0%
| D. Eastwood | Labour | 379 ✓ |
| E. Hatcher | Conservative | 220 |
| R. Stradling | Liberal Democrats | 131 |
| R. Starling | Liberal Democrats | 131 |
Llandow/Ewenny1 seat
| W. Vaughan | Conservative | 652 ✓ |
| E. Bowers | Labour | 202 |
| J. Bellin | Plaid Cymru - The Party of Wales | 199 |
| S. Wilson | Liberal Democrats | 162 |
Llantwit Major4 seats
| Gavin Hill John | Conservative | 1,794 ✓ |
| Glyn David | Conservative | 1,699 ✓ |
| G Fletcher | Conservative | 1,616 ✓ |
| A Readman | Conservative | 1,535 ✓ |
| M Pearce | Labour | 1,322 |
| Bryan Godsell | Labour | 1,179 |
| R Downe | Labour | 1,142 |
| C. Collins | Labour | 1,021 |
| R. Humphries | Plaid Cymru - The Party of Wales | 805 |
| S Stephens | Plaid Cymru - The Party of Wales | 788 |
Rhoose2 seats
| H. James | Conservative | 1,117 ✓ |
| Gordon Kemp | Conservative | 889 ✓ |
| C. Darlington | Labour | 665 |
| P. Clarke | Plaid Cymru - The Party of Wales | 523 |
| D. Morris | Labour | 461 |
St Bride's Major1 seat
| A. Preston | Conservative | 531 ✓ |
| M. Lalis | Labour | 399 |
| A. Wilson | Liberal Democrats | 287 |
