Before (end of 1972)
Not known.
After (end of 1973) (75 seats, Elections Centre)
Labour 42 · Conservative 33 · Plaid Cymru - The Party of Wales 0 · Other 0 · The Liberal Party 0
Ward results
Adamsdown3 seats · turnout 20.2%
| D. Evans | Labour | 1,139 |
| J. Jones | Labour | 1,102 |
| R. Costley | Labour | 1,046 |
| E. Canning | Conservative | 306 |
| T. Mackie | Independent | 91 |
Canton3 seats
| N. Jenkins | Labour | 1,343 |
| B. Brown | Conservative | 1,323 |
| P. Thomas | Labour | 1,299 |
| P. Kitson | Labour | 1,283 |
| T. Tyrell | Conservative | 1,230 |
| W. Adams | Conservative | 1,171 |
Cathays3 seats · turnout 29.8%
| D. Allinston | Labour | 1,721 |
| J. Edwards | Labour | 1,581 |
| W. Davies | Labour | 1,525 |
| I. Jones | Conservative | 1,049 |
| J. Miles | Conservative | 891 |
| M. Rivlin | Conservative | 851 |
| H. Edwards | LIB | 620 |
| G. Sion | Plaid Cymru - The Party of Wales | 466 |
Central3 seats · turnout 24.4%
| W. Herbert | Labour | 1,217 |
| G. Fish | Labour | 1,209 |
| D. Seligman | Labour | 1,119 |
| L. Walters | Conservative | 741 |
Ely1 seat
| W. Carling | Labour | 2,362 ✓ |
| A. Buttle | Labour | 2,314 ✓ |
| R. Morgan | Labour | 2,243 ✓ |
| C. Gale | Labour | 2,112 ✓ |
| J. Sloman | Labour | 2,099 ✓ |
| T. Lee | Labour | 2,049 ✓ |
| W. Clode | Conservative | 791 |
| A. Fitzpatrick | Conservative | 751 |
| J. Phillips | Conservative | 723 |
| J. Joshua | Conservative | 714 |
| W. Jones | Conservative | 665 |
| A. Hinder | Conservative | 654 |
| G. Dowling | Plaid Cymru - The Party of Wales | 358 |
| P. Lang | Plaid Cymru - The Party of Wales | 325 |
| P. McMullen | Plaid Cymru - The Party of Wales | 307 |
| J. Storm | Plaid Cymru - The Party of Wales | 294 |
| E. Maynard | Plaid Cymru - The Party of Wales | 201 |
Ely6 seats
| W Carling | Labour | 2,362 |
| A Buttle | Labour | 2,314 |
| R Morgan | Labour | 2,243 |
| Carol Gale | Labour | 2,112 |
| J Sloman | Labour | 2,099 |
| T Lee | Labour | 2,049 |
| W Clode | Conservative | 791 |
| A Fitzpatrick | Conservative | 751 |
| J Phillips | Conservative | 723 |
| J Joshua | Conservative | 714 |
| W Jones | Conservative | 665 |
| A Hinder | Conservative | 654 |
| G Dowling | Plaid Cymru - The Party of Wales | 358 |
| P Lang | Plaid Cymru - The Party of Wales | 325 |
| P McMullen | Plaid Cymru - The Party of Wales | 307 |
| J Storm | Plaid Cymru - The Party of Wales | 294 |
| E Maynard | Plaid Cymru - The Party of Wales | 201 |
Gabalfa3 seats · turnout 19.2%
| E. Pride | Labour | 1,647 |
| M. Parry | Labour | 1,636 |
| A. Brown | Labour | 1,590 |
| R. Oldridge | Conservative | 842 |
Grangetown3 seats · turnout 26.8%
| M. Matthewson | Labour | 1,299 |
| H. Bartlett | Labour | 1,273 |
| P Owen | Labour | 1,206 |
| J. O'Reilly | Conservative | 1,198 |
| G. Judd | Conservative | 1,089 |
| T. Davies | Conservative | 0 ✓ |
Llandaff3 seats · turnout 27.4%
| H. Fergurson-Jones | Conservative | 1,834 |
| K. Flynn | Conservative | 1,759 |
| C. Hallinan | Conservative | 1,625 |
| N. Maylin | Labour | 650 |
| A. Saunders | Labour | 628 |
| A. Petty | Plaid Cymru - The Party of Wales | 623 |
| J. Berridge | Labour | 508 |
Llanishen6 seats · turnout 30.7%
| L. Pugh | Conservative | 2,475 |
| J Sainsbury | Conservative | 2,418 |
| R. Watkiss | Conservative | 2,396 |
| N. Morgan | Conservative | 2,360 |
| D. O'Neil | Conservative | 2,332 |
| W. Barraby | Conservative | 2,299 |
| O. Langdon | LIB | 1,862 |
| M. Beasley | Labour | 1,723 |
| E. Goodrum | Labour | 1,642 |
| F. Beatson | Labour | 1,633 |
| M. Powell-Davies | Labour | 1,618 |
| L. Goodrum | Labour | 1,605 |
| R. Griffiths | Plaid Cymru - The Party of Wales | 723 |
Penylan6 seats
| S Terlezki | Conservative | 3,866 ✓ |
| G Turnbull | Conservative | 3,628 ✓ |
| L Johnson | Conservative | 3,601 ✓ |
| C Rapport | Conservative | 3,540 ✓ |
| A Austin | Conservative | 3,492 ✓ |
| A Thomas | Conservative | 3,437 ✓ |
| J Davies | LIB | 2,573 |
| D Thomas | LIB | 2,510 |
| M Williams | LIB | 2,450 |
| M Jones | LIB | 2,278 |
| R Westerman | LIB | 2,193 |
| A Miranthis | LIB | 2,190 |
| M Davies | Labour | 1,287 |
| G Jenkins | Labour | 1,278 |
| R Bent | Labour | 1,255 |
| A Jobbins | Labour | 1,205 |
| B Jones | Labour | 1,174 |
| K O'Brien | Labour | 1,163 |
Plasmawr6 seats · turnout 21.7%
| H. Harding | Labour | 1,983 |
| F. Tyrrell | Labour | 1,886 |
| A. Huish | Labour | 1,823 |
| Davies H. | Labour | 1,777 |
| J. Leondr | Labour | 1,717 |
| Elin Weston | Labour | 1,643 |
| W. Hall | Conservative | 863 |
| D. Norman | Conservative | 820 |
| J. Jones | Conservative | 819 |
| V. Lloyd | Conservative | 798 |
| P. Baynham | Conservative | 770 |
| S. Quick | Plaid Cymru - The Party of Wales | 608 |
| S. Smith | Plaid Cymru - The Party of Wales | 573 |
| R. Rowlands | Plaid Cymru - The Party of Wales | 560 |
| G. Aaron | Plaid Cymru - The Party of Wales | 526 |
| W. Wilson | Plaid Cymru - The Party of Wales | 513 |
| B. Nicholson | Plaid Cymru - The Party of Wales | 479 |
Plasnewydd3 seats · turnout 37.0%
| D. Watkin | Conservative | 1,542 ✓ |
| S. James | Conservative | 1,325 ✓ |
| D. Evans | Conservative | 1,107 ✓ |
| P. Troy | Labour | 986 |
| A. Mills | Labour | 924 |
| J. Cocks | Labour | 879 |
| P. Richards | Plaid Cymru - The Party of Wales | 704 |
| R. Nott | LIB | 605 |
| D. Thomas | Plaid Cymru - The Party of Wales | 582 |
| P. Riley | Plaid Cymru - The Party of Wales | 505 |
| L. Clarke | Conservative | 898 |
| G. Millard | Conservative | 838 |
| R. Hughes | Labour | 806 |
| G. Bailey | Labour | 780 |
Rhiwbina3 seats · turnout 43.7%
| W. Bain | Conservative | 1,912 ✓ |
| M. Davies | Conservative | 1,877 ✓ |
| G. Jones | Conservative | 1,785 ✓ |
| H. O'Brien | LIB | 1,519 |
| S. Cotsen | LIB | 1,482 |
| G. Davies | LIB | 1,463 |
| D. Davies | Plaid Cymru - The Party of Wales | 692 |
| R. Hughes | Plaid Cymru - The Party of Wales | 652 |
| M. Mullins | Labour | 577 |
| B. Morris | Labour | 556 |
| T. Morris | Labour | 546 |
| R. Williams | Plaid Cymru - The Party of Wales | 539 |
Riverside3 seats · turnout 33.2%
| K. Davies | Conservative | 1,530 |
| A Johnson | Conservative | 1,323 |
| S. Doxsey | Conservative | 1,235 |
| V. Jones | Labour | 946 |
| C. Hartnett | Labour | 924 |
| V. Whitehead | Labour | 858 |
| E. Robinson | LIB | 394 |
| R. Lee | Plaid Cymru - The Party of Wales | 337 |
Roath3 seats · turnout 27.5%
| N. Lloyd-Edwards | Conservative | 1,811 |
| G. Brinks | Conservative | 1,639 |
| C. Hutchings | Conservative | 1,636 |
| D. Wood | LIB | 929 |
| J. Beauchamp | LIB | 773 |
| J. Davies | LIB | 762 |
| T. O'Callaghan | Labour | 633 |
| P. Cravos | Plaid Cymru - The Party of Wales | 320 |
Rumney6 seats · turnout 20.8%
| Y. Bonar | Labour | 2,653 |
| D. Evans | Labour | 2,626 |
| F. Yeomans | Labour | 2,551 |
| A. Michael | Labour | 2,520 |
| Phillips J. | Labour | 2,503 |
| J. Reynolds | Labour | 2,483 |
| S. Parker | Conservative | 1,643 |
| S. Brown | Conservative | 1,491 |
| T. Laurie | Conservative | 1,450 |
| D. Floyd | Conservative | 1,428 |
| H. James | Conservative | 1,398 |
| S. Trevarthen | Plaid Cymru - The Party of Wales | 735 |
South3 seats · turnout 34.5%
| F. Smith | Labour | 1,540 |
| P. Dunleavy | Labour | 1,537 |
| P. Bowen | Labour | 1,347 |
| T. Roche | Conservative | 994 |
| E. Williams | Conservative | 811 |
| F Arnold | Conservative | 800 |
Splott3 seats · turnout 30.1%
| J. Brooks | Labour | 1,830 |
| V. Minton | Labour | 1,786 |
| R. Ormonde | Labour | 1,780 |
| D. O'Connell | Conservative | 761 |
| K. Lewis | Conservative | 698 |
| J. Stark | Conservative | 692 |
| S. Jones | COMM | 186 |
Whitchurch3 seats · turnout 46.9%
| D. Purnell | Conservative | 2,672 |
| P. Norton | Labour | 2,641 |
| J. Davies | Conservative | 2,596 |
| V Riley | Conservative | 2,533 |
| A. Donne | Labour | 2,269 |
| D Weeks | Labour | 2,132 |
