Before (end of 1977) (51 seats, Elections Centre)
Conservative 28 · Labour 13 · The Liberal Party 6 · Other 4
After (end of 1978) (56 seats, Elections Centre)
Conservative 47 · Labour 7 · The Liberal Party 2 · Other 0
Ward results
Beddington North2 seats · turnout 54.2%
| D. Farthing | Conservative | 1,467 |
| G. Whitham | Conservative | 1,366 |
| G. Eve | Labour | 673 |
| I. Tomlin | Labour | 611 |
| J. Phillimore | LIB | 536 |
| R. Ponikwer | LIB | 523 |
Beddington South3 seats
| R. Easton | Conservative | 1,402 |
| G. Osborne | Conservative | 1,380 |
| H. Sawyers | Conservative | 1,354 |
| Spalding P. | Labour | 1,037 |
| J. Clay | Labour | 1,029 |
| F. Hall | Labour | 1,015 |
| B. Wallis | LIB | 133 |
| D. Millington | LIB | 132 |
| R. Insoll | LIB | 125 |
Belmont2 seats · turnout 45.3%
| J. Cox | Conservative | 1,876 |
| A. Deards | Conservative | 1,787 |
| L. Banks | LIB | 299 |
| S. Filby | LIB | 287 |
| F. Clarke | Labour | 224 |
| K. Bunker | Labour | 215 |
Carshalton Beeches3 seats · turnout 47.2%
| Martin K. | Conservative | 2,633 |
| B. Fleming | Conservative | 2,618 |
| M. Peart | Conservative | 2,573 |
| D. Winn | Labour | 405 |
| R. Winn | Labour | 376 |
| K. Coello | Labour | 363 |
| B. Doherty | LIB | 349 |
| A. Doyle | LIB | 329 |
| G. Chandler | LIB | 304 |
Carshalton Central2 seats
| P Baggott | Conservative | 1,509 |
| D. Salari | Conservative | 1,421 |
| V. Eve | Labour | 434 |
| O. Scotney | Labour | 355 |
| A. Harris | LIB | 234 |
| D. Stockwell | LIB | 220 |
Carshalton North2 seats · turnout 41.5%
| F. Ghent | Conservative | 1,416 |
| R. Slater | Conservative | 1,401 |
| J. Elgar | Labour | 537 |
| D. Clee | Labour | 499 |
| M. Verner | LIB | 264 |
| J. Warner | LIB | 257 |
Cheam South2 seats · turnout 54.8%
| K. Rose | Conservative | 2,254 |
| A Taylor | Conservative | 2,189 |
| J. Franklin | LIB | 262 |
| P. Traverso | LIB | 218 |
| D. Jarman | Labour | 102 |
| J. Staight | Labour | 85 |
Cheam West2 seats · turnout 55.3%
| H. Bennett | Conservative | 1,371 |
| S. Walker | Conservative | 1,313 |
| R. Shaw | LIB | 1,015 |
| F. Sharp | LIB | 945 |
| M. Westbrook | Labour | 146 |
| R. Anscombe | Labour | 146 |
Clockhouse1 seat · turnout 48.9%
| D. Barnard | Conservative | 467 |
| R. Hooker | Labour | 310 |
| C. Pocock | LIB | 82 |
North Cheam2 seats · turnout 54.7%
| J. Sharvill | Conservative | 1,424 |
| Carter C. | Conservative | 1,387 |
| E. Sharp | LIB | 825 |
| J. Crowhurst | LIB | 817 |
| J. Evers | Labour | 485 |
| E. Sargeant | Labour | 478 |
Rosehill2 seats · turnout 48.7%
| L. Ranson | Conservative | 1,227 |
| A. Thompson | Conservative | 1,202 |
| J. Taylor | LIB | 602 |
| E. Barr | LIB | 570 |
| J. Smoker | Labour | 449 |
| A. Hill | Labour | 426 |
St. Hillier North3 seats · turnout 37.1%
| A. Dyson | Labour | 1,775 ✓ |
| P. Kane | Labour | 1,700 ✓ |
| M. Wright | Labour | 1,636 ✓ |
| V. Howard | Conservative | 480 |
| H. Harding | Conservative | 472 |
| T. Wise | Conservative | 419 |
| J. Hunt | National Front | 188 |
| N. Hunt | National Front | 160 |
| S. Larchet | The Liberal Party | 80 |
| M. Stoner | The Liberal Party | 71 |
| H. Vipond | The Liberal Party | 63 |
St. Hillier South2 seats · turnout 41.4%
| P. Bassett | Labour | 1,296 ✓ |
| P. Brennan | Labour | 1,033 ✓ |
| R. Wilkie | Conservative | 282 |
| S. Whitham | Conservative | 282 |
| P. Ballard | National Front | 132 |
| H. Wyatt | National Front | 91 |
Sutton Central2 seats · turnout 54.7%
| G. Tope | The Liberal Party | 1,439 ✓ |
| J. Mullin | The Liberal Party | 1,297 ✓ |
| M. Bennett | Conservative | 681 |
| A. Richards | Conservative | 626 |
| D. Duffield | Labour | 514 |
| C. Whatford | Labour | 454 |
Sutton Common2 seats · turnout 50.4%
| L. Brown | Conservative | 1,386 |
| S. Langley | Conservative | 1,330 |
| S. Penneck | LIB | 739 |
| S. Traverso | LIB | 710 |
| R. Deane | Labour | 322 |
| R. Learmonth | Labour | 298 |
Sutton East3 seats · turnout 52.2%
| B. Bowler | Conservative | 1,344 ✓ |
| L. Barber | Conservative | 1,319 ✓ |
| M. Krause | Conservative | 1,244 ✓ |
| E. McEwen | Labour | 1,228 |
| D. Hopkins | Labour | 1,150 |
| M. Jackson | Labour | 1,056 |
| D. Strong | The Liberal Party | 246 |
| J. Lewis | The Liberal Party | 244 |
| S. Wilmott | The Liberal Party | 234 |
Sutton South3 seats · turnout 43.1%
| P. Geiringer | Conservative | 2,394 |
| R. Squires | Conservative | 2,346 |
| E. Trevor | Conservative | 2,311 |
| C. Harkin | Labour | 482 |
| K. O'Keeffe | Labour | 477 |
| M. Toff | Labour | 469 |
| J. Lowne | LIB | 426 |
| G. Burnett | LIB | 406 |
| H. Willmott | LIB | 401 |
Sutton West2 seats · turnout 49.7%
| M. Grimes | Conservative | 1,243 |
| N. Ferrier | Conservative | 1,221 |
| R. Gleeson | LIB | 597 |
| R. Halsey | LIB | 595 |
| P. Smith | Labour | 406 |
| R. Williams | Labour | 370 |
Wallington North3 seats · turnout 53.5%
| M. Barry | Conservative | 2,417 |
| J. Izard | Conservative | 2,414 |
| D. Commaille | Conservative | 2,364 |
| S. Davies | Labour | 1,116 |
| P. Lane | Labour | 1,076 |
| J. Weir | Labour | 1,017 |
| J. Dutton | LIB | 259 |
| J. Farrelly | LIB | 241 |
| M. Honeyfield | LIB | 216 |
Wallington South3 seats · turnout 44.1%
| R Johnson | Conservative | 2,344 |
| J. Cran | Conservative | 2,322 |
| F. Townsend | Conservative | 2,298 |
| Mike McLoughlin | Labour | 613 |
| R. Moore | Labour | 560 |
| C. Poge | Labour | 549 |
| R. Sammons | LIB | 241 |
| M. Richardson | LIB | 220 |
| J. Waller | LIB | 192 |
Wandle Valley2 seats · turnout 47.5%
| M. Woolley | Labour | 1,029 |
| M. Smith | Labour | 952 |
| J. Gribble | Conservative | 805 |
| R. White | Conservative | 739 |
| M. Ballard | NF | 129 |
Woodcote1 seat · turnout 53.5%
| J. Nash | Conservative | 1,144 |
| R. Holloway | Labour | 84 |
| A. Bloye | LIB | 78 |
Worcester Park North3 seats · turnout 43.9%
| J. Ryder | Conservative | 2,011 |
| P. Woolley | Conservative | 1,973 |
| J. Bowley | Conservative | 1,944 |
| K. Chivers | LIB | 698 |
| J. Le Winton | LIB | 622 |
| L. O'Connell | LIB | 613 |
| P. Evers | Labour | 450 |
| S Spalding | Labour | 406 |
| G. Guiness | Labour | 399 |
Worcester Park South2 seats · turnout 51.5%
| R. Kerslake | Conservative | 1,818 |
| D. Trafford | Conservative | 1,721 |
| R. Shaw | LIB | 439 |
| P. Johnson | LIB | 349 |
| P. Fairweather | Labour | 246 |
| S. Dunning | Labour | 225 |
Wrythe Green2 seats · turnout 42.3%
| G. Bates | Conservative | 1,427 ✓ |
| T. Mills | Conservative | 1,330 ✓ |
| G. Ball | Labour | 826 |
| H. Markan | Labour | 702 |
| J. Dunleavy | LIB | 170 |
| G. Pettingell | LIB | 151 |
| R. Gunn | NF | 71 |
