Before (end of 1975) (75 seats, Elections Centre)
Labour 42 · Conservative 33 · Other 0 · The Liberal Party 0 · Plaid Cymru - The Party of Wales 0
After (end of 1976) (75 seats, Elections Centre)
Conservative 44 · Labour 29 · Other 2 · The Liberal Party 0 · Plaid Cymru - The Party of Wales 0
Ward results
Adamsdown3 seats · turnout 26.5%
| D. Evans | Labour | 1,116 |
| R. Costley | Labour | 996 |
| I. Jones | Labour | 992 |
| B. Jones | Conservative | 747 |
| D. Jones | Conservative | 586 |
Canton3 seats · turnout 34.1%
| B. Brown | Conservative | 1,901 ✓ |
| T. Tyrrell | Conservative | 1,628 ✓ |
| D. Davey | Conservative | 1,483 ✓ |
| N. Jenkins | Labour | 1,146 |
| P. Thomas | Labour | 1,126 |
| R. Lee | Plaid Cymru - The Party of Wales | 0 |
| R. Bassett | Labour | 0 |
Cathays3 seats · turnout 39.7%
| D. Allinson | Labour | 1,529 ✓ |
| L. Jones | Conservative | 1,419 ✓ |
| J. Edwards | Labour | 1,390 ✓ |
| J. Davies | Labour | 1,366 |
| M. Keigwyn | Conservative | 1,329 |
| D. Thomas | Conservative | 1,248 |
| R. Castle | RATE | 1,046 |
| G. Parsons | RATE | 900 |
| V. Kempton | RATE | 834 |
| M. German | LIB | 593 |
| J. Roberts | LIB | 531 |
| G. Snell | LIB | 467 |
| T. O'Neill | Plaid Cymru - The Party of Wales | 448 |
| D. Thomas | Plaid Cymru - The Party of Wales | 403 |
| B. Smith | Plaid Cymru - The Party of Wales | 352 |
Central3 seats · turnout 37.3%
| G. Fish | Labour | 1,010 ✓ |
| W. Herbert | Labour | 958 ✓ |
| D. Marles | Conservative | 946 ✓ |
| G. Scott-Dickens | Conservative | 928 |
| D. Seligman | Labour | 870 |
| C. Thomas | Conservative | 850 |
| D. Guy | RATE | 487 |
| D. O'Neill | Plaid Cymru - The Party of Wales | 247 |
| P. Davies | LIB | 0 |
| D. Hopkins | Plaid Cymru - The Party of Wales | 0 |
| P. Riley | Plaid Cymru - The Party of Wales | 0 |
Ely6 seats
| W Carling | Labour | 2,510 ✓ |
| M Buttle | Labour | 2,458 ✓ |
| R Morgan | Labour | 2,402 ✓ |
| T Lee | Labour | 2,258 ✓ |
| Carol Gale | Labour | 2,218 ✓ |
| J Sloman | Labour | 2,218 ✓ |
| W Clode | Conservative | 1,745 |
| A Fitzpatrick | Conservative | 1,602 |
| F Phillips | Conservative | 1,596 |
| Mike Jones | Conservative | 1,557 |
| M Warren | Conservative | 1,545 |
| R Wheeler | Conservative | 1,464 |
| G Dowling | Plaid Cymru - The Party of Wales | 479 |
| J Syms | Plaid Cymru - The Party of Wales | 416 |
| E Maynard | Plaid Cymru - The Party of Wales | 346 |
| J Storn | Plaid Cymru - The Party of Wales | 333 |
Gabalfa3 seats · turnout 43.4%
| M. Kingwell | Conservative | 2,184 |
| M. Parry | Labour | 2,043 |
| T. Merridew | Conservative | 1,989 |
| E. Pride | Labour | 1,971 |
| G Tatham | Conservative | 1,795 |
| A. Brown | Labour | 1,736 |
| G. Doyle | Plaid Cymru - The Party of Wales | 528 |
| C. Schoen | Plaid Cymru - The Party of Wales | 402 |
Grangetown3 seats · turnout 40.6%
| J. O'Reilly | Conservative | 1,737 |
| B. Moorcraft | Conservative | 1,671 |
| G. Judd | Conservative | 1,647 |
| M. Matthewson | Labour | 1,309 |
| D. Lydiard | Labour | 1,280 |
| H. Bartlett | Labour | 1,233 |
Lisvane Llanedyrn & St. Mellons1 seat · turnout 73.3%
| T. Davies | Conservative | 1,127 |
| C. Mitchell | LIB | 144 |
Llandaff3 seats · turnout 40.0%
| B. Jones | Conservative | 2,998 |
| J. Hermer | Conservative | 2,922 |
| H. Jones | Conservative | 2,838 |
| A. Petty | Plaid Cymru - The Party of Wales | 760 |
| A. Saunders | Labour | 711 |
| J. Leno | Labour | 702 |
Llanishen6 seats · turnout 39.2%
| J Sainsbury | Conservative | 3,660 |
| R. Watkiss | Conservative | 3,652 |
| D. O'Neil | Conservative | 3,648 |
| L. Pugh | Conservative | 3,636 |
| N. Morgan | Conservative | 3,476 |
| C. Milsom | RATE | 3,339 |
| W. Barraby | Conservative | 3,318 |
| O. Langdon | LIB | 1,307 |
| T. Morris | Labour | 1,173 |
| M. Walker | Labour | 1,122 |
| P. Phillips | Labour | 1,113 |
| R. Edwards | Plaid Cymru - The Party of Wales | 856 |
| S. Doyle | Plaid Cymru - The Party of Wales | 807 |
Penylan6 seats · turnout 44.7%
| S. Terlezki | Conservative | 7,244 ✓ |
| L. Gower | Conservative | 6,974 ✓ |
| M. Newman | Conservative | 6,893 ✓ |
| A. Austin | Conservative | 6,886 ✓ |
| G. Turnbull | Conservative | 6,876 ✓ |
| A. Thomas | Conservative | 6,571 ✓ |
| T. Thomas | LIB | 1,570 |
| M. Jones | Labour | 1,551 |
| P. Wing | Labour | 1,541 |
| K. O'Brien | Labour | 1,528 |
| R. Pound | Labour | 1,491 |
| G. Bayliss | Labour | 1,477 |
| K. Gaskell | Labour | 1,152 |
| P. Lindsey | LIB | 1,129 |
| R. Crowley | LIB | 1,106 |
| B. Jones | LIB | 1,063 |
| D. Hill | LIB | 970 |
| R. Ashford | LIB | 924 |
| K. Bush | Plaid Cymru - The Party of Wales | 733 |
| E. Bush | Plaid Cymru - The Party of Wales | 731 |
| A. Couch | Plaid Cymru - The Party of Wales | 730 |
| H. Phillips | Plaid Cymru - The Party of Wales | 712 |
| P. Cravos | Plaid Cymru - The Party of Wales | 704 |
| S. Price | Plaid Cymru - The Party of Wales | 672 |
Plasmawr6 seats · turnout 29.1%
| A. Huish | Labour | 2,068 |
| W. Hall | Conservative | 2,047 |
| F. Lloyd | Conservative | 2,017 |
| H. Davvies | Labour | 1,996 |
| D. Pepler | Conservative | 1,993 |
| M Phillips | Labour | 1,976 |
| F. Tyrrell | Labour | 1,958 |
| L. Skye | Conservative | 1,908 |
| B. Pearce | Conservative | 1,888 |
| J. Leonard | Labour | 1,878 |
| D. McIntyre | Conservative | 1,870 |
| B. Shorten | Labour | 1,859 |
| D. Davies | Plaid Cymru - The Party of Wales | 1,131 |
Plasnewydd3 seats · turnout 43.4%
| D. Watkin | Conservative | 1,901 ✓ |
| S. James | Conservative | 1,874 ✓ |
| D. Evans | Conservative | 1,807 ✓ |
| P. Norton | Labour | 897 |
| J. Truran | Labour | 857 |
| J. Bonar | Labour | 809 |
| O. Thomas | Plaid Cymru - The Party of Wales | 674 |
| M. Coughlin | Plaid Cymru - The Party of Wales | 611 |
| R. Griffiths | Plaid Cymru - The Party of Wales | 571 |
| G. German | LIB | 260 |
| P. Jarman | LIB | 239 |
| A. Verma | LIB | 188 |
| J. Roxburgh | COMM | 92 |
| G. Millard | Conservative | 0 ✓ |
| L. Clarke | Conservative | 0 ✓ |
Rhiwbina3 seats · turnout 51.2%
| W. Bain | Conservative | 3,372 ✓ |
| M. Davies | Conservative | 3,359 ✓ |
| G. Jones | Conservative | 3,222 ✓ |
| H. O'Brien | LIB | 986 |
| O. Davies | LIB | 793 |
| K. Davies | Plaid Cymru - The Party of Wales | 694 |
| C. Beech | Labour | 678 |
| G. White | LIB | 676 |
| E. Woolfe | Labour | 628 |
| B. Williams | Plaid Cymru - The Party of Wales | 582 |
| R. Armstrong | Labour | 572 |
| N. Davies | Plaid Cymru - The Party of Wales | 552 |
Riverside3 seats · turnout 40.0%
| K. Davies | Conservative | 1,565 ✓ |
| L. Mathias | RATE | 1,254 ✓ |
| S. Doxey | Conservative | 1,253 ✓ |
| A Johnson | Conservative | 1,150 |
| P. Powell | RATE | 941 |
| A. Dixon | Labour | 746 |
| D. Toogood | Labour | 588 |
| K. Mullins | Labour | 573 |
| G. Petty | Plaid Cymru - The Party of Wales | 392 |
| J. Kuczy'S | Plaid Cymru - The Party of Wales | 265 |
Roath3 seats
| N. Lloyd-Edwards | Conservative | 3,062 |
| G. Brinks | Conservative | 2,706 |
| R. Richards | Conservative | 2,698 |
| T. Tucker | Labour | 886 |
| G. Bowman | Plaid Cymru - The Party of Wales | 645 |
| J. McWilliam | LIB | 594 |
| P. Verma | LIB | 318 |
Rumney6 seats · turnout 27.4%
| N. Llewellyn | Labour | 2,980 |
| V. Jones | Labour | 2,843 |
| A. Michael | Labour | 2,747 |
| Phillips J. | Labour | 2,693 |
| J. Reynolds | Labour | 2,685 |
| F. Yeomans | Labour | 2,681 |
| C. Nicholson | Conservative | 2,513 |
| R. Mitchell | Conservative | 2,502 |
| R. Potter | RATE | 2,497 |
| L. Quinn | Conservative | 2,409 |
| J. Wright | Conservative | 2,397 |
| L. Hunt | Conservative | 2,366 |
South3 seats · turnout 37.0%
| J. Smith | Labour | 1,387 |
| P. Dunleavy | Labour | 1,363 |
| P. Bowen | Labour | 1,230 |
| E. Williams | Conservative | 1,084 |
| E. Canning | Conservative | 1,061 |
| S. Cooper | Conservative | 1,033 |
Splott3 seats · turnout 35.1%
| R. Ormonde | Labour | 1,483 |
| C. Williams | Labour | 1,325 |
| L. Bonar | Labour | 1,136 |
| T. Kelly | Conservative | 1,015 |
| F. Chichester | Conservative | 968 |
| R. Warburton | RATE | 887 |
| K. Wilcox | Conservative | 876 |
| S. Jones | COMM | 151 |
Whitchurch3 seats · turnout 56.0%
| D. Purnell | Conservative | 3,688 |
| V Riley | Conservative | 3,526 |
| T. Davies | Conservative | 3,429 |
| G. Howell | Labour | 1,432 |
| R. Bowler | Labour | 1,388 |
| E. Ogwen | Plaid Cymru - The Party of Wales | 1,366 |
| P Owen | Labour | 1,360 |
| S. Davies | LIB | 846 |
| S. Sofia | LIB | 492 |
