Before (end of 1977) (54 seats, Elections Centre)
Conservative 29 · Labour 22 · Other 3 · The Liberal Party 0
After (end of 1978) (57 seats, Elections Centre)
Conservative 39 · Labour 15 · Other 3 · The Liberal Party 0
Ward results
Abbey3 seats · turnout 46.4%
| R. Tansey | Labour | 1,635 ✓ |
| P. Jones | Labour | 1,583 ✓ |
| E. Patterson | Labour | 1,575 ✓ |
| R. James | Conservative | 1,324 |
| P. Blake | Conservative | 1,275 |
| B. Terrett | Conservative | 1,248 |
| C. Plowright | The Liberal Party | 208 |
| R. Fox-Cumming | The Liberal Party | 202 |
| A. Knight | The Liberal Party | 195 |
Cannon Hill3 seats · turnout 52.9%
| I. Derriman | Conservative | 1,869 |
| Don Williams | Conservative | 1,807 |
| A. Leivers | Conservative | 1,756 |
| P. Rowell | LIB | 1,519 |
| J. McIntyre | LIB | 1,240 |
| A. English | LIB | 1,214 |
| D. Jones | Labour | 719 |
| E Lucas | Labour | 657 |
| Sue Anderson | Labour | 649 |
Colliers Wood3 seats
| M Hedden | Labour | 1,222 ✓ |
| C Wise | Labour | 1,217 ✓ |
| S Knight | Labour | 1,180 ✓ |
| G Barratt | Conservative | 901 |
| S Aitken-Davies | Conservative | 844 |
| G Foord | Conservative | 828 |
Dundonald3 seats
| J Elvidge | Conservative | 1,448 ✓ |
| P Morgan | Conservative | 1,414 ✓ |
| J Smith | Conservative | 1,398 ✓ |
| D Bean | Labour | 1,058 |
| P Lewis | Labour | 1,030 |
| Bill Newman | Labour | 1,023 |
| R Locke | LIB | 822 |
| F Madden | LIB | 805 |
| G Woolger | LIB | 775 |
Durnsford2 seats
| J Nicholson | Conservative | 988 ✓ |
| Chris Cory | Conservative | 983 ✓ |
| A Dix | Labour | 733 |
| Frank Frederick Pemberton | Labour | 723 |
| M Garcia | LIB | 590 |
| P Rumney | LIB | 544 |
Figge's Marsh3 seats
| S. Diamond | Conservative | 1,599 |
| G Old | Conservative | 1,544 |
| Chris Sanderson | Conservative | 1,514 |
| V. Bonner | Labour | 1,440 |
| D. Connellan | Labour | 1,338 |
| I. Lee | Labour | 1,328 |
| J. Perryman | NF | 160 |
| A. Bailey | NF | 159 |
| H. Harris | NF | 138 |
Graveney2 seats · turnout 45.1%
| F. Meakings | Conservative | 1,046 |
| D. Price | Conservative | 1,001 |
| T. Harris | Labour | 915 |
| W. Dunne | Labour | 890 |
Hillside3 seats
| M Mitchison | Conservative | 2,087 ✓ |
| E Gullick | Conservative | 2,071 ✓ |
| J Ockleshaw | Conservative | 2,058 ✓ |
| P Storey | Labour | 453 |
| R Vaughan | Labour | 429 |
| C Bickerstaff | Labour | 424 |
| D Tyler | LIB | 310 |
| S Shaw | LIB | 300 |
Lavender2 seats · turnout 36.0%
| H. Veal | Labour | 872 |
| D. Miller | Labour | 858 |
| S. Diamond | Conservative | 472 |
| I. David | Conservative | 455 |
Longthornton3 seats · turnout 40.4%
| H. Evans | RES | 2,129 |
| D. Rogers | RES | 2,114 |
| B. Chapman | RES | 2,093 |
| T. Munn | Labour | 907 |
| M. Dymond | Labour | 873 |
| D. Wyatt | Labour | 832 |
Lower Morden3 seats · turnout 46.0%
| A. Brandle | Conservative | 2,291 |
| P. Glasspool | Conservative | 2,251 |
| J. Healey | Conservative | 2,194 |
| B. Giddey | Labour | 832 |
| W. Wynne | Labour | 820 |
| S. Kent | Labour | 797 |
Merton Park3 seats
| G Watt | Conservative | 2,203 ✓ |
| E Davis | Conservative | 2,197 ✓ |
| H Turner | Conservative | 2,139 ✓ |
| E Ceci | Labour | 609 |
| M Harris | Labour | 601 |
| Patrick O'Sullivan | Labour | 589 |
| H Knight | LIB | 272 |
| J Yeoumans | LIB | 233 |
Phipps Bridge3 seats · turnout 35.7%
| R. Barratt | Conservative | 1,274 |
| R. Higgins | Labour | 1,271 |
| E. Marsh | Conservative | 1,223 |
| P. Marjoram | Conservative | 1,214 |
| L. Augarde | Labour | 1,175 |
| V. Rosewell | Labour | 1,143 |
| P. Williams | WRP | 74 |
Pollards Hill3 seats · turnout 44.4%
| T. Bull | Conservative | 1,790 |
| J. Garwood | Conservative | 1,738 |
| A. Strang | Conservative | 1,620 |
| J. Brown | Labour | 1,320 |
| A. Nicholson | Labour | 1,286 |
| D. Hempstead | Labour | 1,251 |
Ravensbury3 seats
| B Clifford | Labour | 1,802 ✓ |
| W Haddow | Labour | 1,782 ✓ |
| W Hillhouse | Labour | 1,755 ✓ |
| Lawrence Simpson | Conservative | 1,328 |
| T Lindfield | Conservative | 1,308 |
| E Watson | Conservative | 1,290 |
Raynes Park3 seats
| J Cory | Conservative | 2,402 ✓ |
| J Green | Conservative | 2,378 ✓ |
| Eileen Whitmore | Conservative | 2,341 ✓ |
| H Dow | Labour | 694 |
| A Taylor | Labour | 683 |
| Diana Herbert | Labour | 679 |
| E Kalmus | LIB | 333 |
| D Sawyer | LIB | 333 |
St Helier3 seats · turnout 38.6%
| R. Franks | Labour | 1,459 |
| D. Chalkley | Labour | 1,406 |
| G. Smith | Labour | 1,360 |
| J. Milton | Conservative | 1,349 |
| A. Lever | Conservative | 1,317 |
| C. Russell | Conservative | 1,303 |
Trinity3 seats · turnout 47.8%
| G. Bird | Conservative | 1,235 ✓ |
| A. Owen | Conservative | 1,168 ✓ |
| E. Faville | Conservative | 1,167 ✓ |
| M. Chadwick | Labour | 1,105 |
| P. Godier | Labour | 1,011 |
| G. Roberts | Labour | 978 |
| G. Binney | LIB | 673 |
| Y. Flowers | LIB | 665 |
| E. Green | LIB | 655 |
| G. Giddins | Independent | 103 |
Village3 seats
| Philip Kenyon | Conservative | 2,150 ✓ |
| A Jones | Conservative | 2,075 ✓ |
| J Watson | Conservative | 2,074 ✓ |
| L Sawyer | LIB | 385 |
| D Goff | Labour | 354 |
| E Robins | LIB | 339 |
| S Sowby | Labour | 339 |
| M Taylor | Labour | 322 |
| E Croft | LIB | 293 |
| R Scott-Dodd | TA | 169 |
West Barnes3 seats · turnout 44.5%
| H. Cowd | Conservative | 2,325 |
| R Mackenzie-Shannon | Conservative | 2,299 |
| V. Talbot | Conservative | 2,200 |
| C. Lucas | Labour | 858 |
| M. Spacey | Labour | 827 |
| R. Powell | Labour | 810 |
| D. Cotton | LIB | 325 |
| A. Davidson | LIB | 302 |
