Before (end of 1977) (60 seats, Elections Centre)
Labour 46 · Conservative 14 · Other 0 · The Liberal Party 0
After (end of 1978) (64 seats, Elections Centre)
Labour 42 · Conservative 22 · The Liberal Party 0 · Other 0
Ward results
Angell3 seats · turnout 24.9%
| H. Griffiths | Labour | 1,178 ✓ |
| L. Hammond | Labour | 1,171 ✓ |
| P. Moore | Labour | 1,155 ✓ |
| M. Clarke | Conservative | 534 |
| D. Palmer | Conservative | 479 |
| R. Walsh | Conservative | 450 |
| C. Holland | National Front | 105 |
| P. Turner | National Front | 101 |
| C. Williams | National Front | 93 |
| C. Tyrell | Other | 48 |
| K. Dixon | Other | 45 |
| A. Bloomfield | Other | 34 |
Bishop's3 seats · turnout 36.8%
| P. Lane | Labour | 1,671 ✓ |
| B. Davies | Labour | 1,637 ✓ |
| R. Verden | Labour | 1,518 ✓ |
| W. Trelawny | Conservative | 834 |
| R. Straker | Conservative | 822 |
| P. Golds | Conservative | 814 |
| D. Elliott | Other | 214 |
Clapham Park3 seats · turnout 40.1%
| C. Williams | Conservative | 2,020 |
| G. Whyte | Conservative | 1,970 |
| P. Dean | Labour | 1,911 |
| S. Beaven | Conservative | 1,887 |
| H. Walker | Labour | 1,856 |
| P. O'Connell | Labour | 1,810 |
| T. Clememt-Jones | LIB | 368 |
| C. Jones | LIB | 302 |
| D. Venables | LIB | 278 |
Clapham Town3 seats · turnout 32.1%
| C Brooks | Labour | 1,634 |
| A. Muller | Labour | 1,589 |
| I. Grant | Labour | 1,535 |
| C. Crawford | Conservative | 1,225 |
| N. Kittoe | Conservative | 1,176 |
| F. Hohler | Conservative | 1,171 |
| W. Bennett | LIB | 168 |
| P. Chave | LIB | 145 |
| A. Sutor | LIB | 133 |
Ferndale3 seats · turnout 27.0%
| P. Lansley | Labour | 1,640 ✓ |
| E. Knight | Labour | 1,444 ✓ |
| J. Boyle | Labour | 1,444 ✓ |
| G. Turner | Conservative | 722 |
| P. Warburton-Jones | Conservative | 708 |
| M. Robinson | Conservative | 673 |
Gipsy Hill3 seats · turnout 37.5%
| L. Hammond | Labour | 1,848 |
| M. Jeram | Labour | 1,839 |
| Y. Phipp | Labour | 1,777 |
| R. Bristow | Conservative | 1,520 |
| I. Clarke | Conservative | 1,433 |
| M. Bedford | Conservative | 1,426 |
| K. Mott | NF | 216 |
| R. Heath | NF | 200 |
Herne Hill3 seats · turnout 44.3%
| P. Jenkyns | Conservative | 1,793 ✓ |
| W. Bowring | Labour | 1,788 ✓ |
| D. Houghting | Labour | 1,716 ✓ |
| C. Jones | Conservative | 1,700 |
| J. Sharland | Labour | 1,692 |
| T. Snow | Conservative | 1,624 |
Knight's Hill3 seats
| K. Scott-Simpson | Conservative | 2,153 |
| M. Keel | Conservative | 2,112 |
| G Pycock | Conservative | 2,112 |
| I. Murray | Labour | 1,924 |
| R. Hewish | Labour | 1,923 |
| C. Sutton | Labour | 1,856 |
Larkhall3 seats · turnout 24.0%
| S. Dimmick | Labour | 1,653 ✓ |
| A. Sawdon | Labour | 1,569 ✓ |
| M. Bright | Labour | 1,549 ✓ |
| J. Hall | Conservative | 782 |
| D. Price | Conservative | 769 |
| D. Whiting | Conservative | 729 |
| M. Mitchell | LIB | 163 |
| D. Sandford | LIB | 148 |
| J. Wingrave | LIB | 146 |
| P. Cook | COMM | 119 |
Prince's3 seats
| N. Turner | Labour | 1,910 |
| K. Moore | Labour | 1,818 |
| M. Warburton | Labour | 1,691 |
| B. Wallis | Conservative | 1,268 |
| A. Cordle | Conservative | 1,239 |
| A. Cooper | Conservative | 1,196 |
St Leonard's3 seats
| A. Beadle | Conservative | 2,106 ✓ |
| P. Cary | Conservative | 2,058 ✓ |
| V. Bogazzi | Conservative | 2,039 ✓ |
| D. Black | Labour | 874 |
| A. Morton | Labour | 735 |
| B. Lynn | Labour | 717 |
| S. Clarke | LIB | 202 |
| I. Mason | LIB | 169 |
| J. Taylor | LIB | 144 |
| M. Gower | SLA | 40 |
St Martin's3 seats
| M. Drake | Labour | 1,963 |
| S. Ingerson | Labour | 1,873 |
| D. Prentice | Labour | 1,851 |
| W. Ames | Conservative | 1,405 |
| N. Macdonald | Conservative | 1,388 |
| D. Palfreman | Conservative | 1,344 |
Stockwell3 seats · turnout 25.5%
| W. Hall | Labour | 1,569 |
| P. Mitchell | Labour | 1,550 |
| P. Ormerod | Labour | 1,491 |
| D. Rose | Conservative | 791 |
| P. Whitelaw | Conservative | 772 |
| S. Shakespear | Conservative | 754 |
Streatham Hill3 seats · turnout 39.4%
| P. Davis | Conservative | 2,263 ✓ |
| M. Hollis | Conservative | 2,230 ✓ |
| R. Prior | Conservative | 2,216 ✓ |
| D. Furner | Labour | 1,362 |
| J. Furner | Labour | 1,340 |
| F. Henry | Labour | 1,337 |
| J. Mather | The Liberal Party | 188 |
| S. Blackstock | The Liberal Party | 159 |
| H. Venables | The Liberal Party | 157 |
Streatham South3 seats · turnout 36.4%
| H. Chamarette | Conservative | 2,270 |
| R. Pitt | Conservative | 2,213 |
| A. Bays | Conservative | 2,160 |
| A. Virgo | Labour | 868 |
| A. Divall | Labour | 850 |
| P. Pavey | Labour | 836 |
| R. Silver | LIB | 207 |
| L. Trussell | LIB | 198 |
| P. Waters | LIB | 161 |
Streatham Wells3 seats · turnout 37.1%
| R. Greenwood | Conservative | 2,553 |
| H. Chambers | Conservative | 2,497 |
| M. Malynn | Conservative | 2,416 |
| S. Jack | Labour | 1,210 |
| W. Turner | Labour | 1,152 |
| W. Weston | Labour | 1,080 |
| R. Taylor | LIB | 199 |
| G. Serjeant | LIB | 180 |
| S. Serjeant | LIB | 161 |
Thornton2 seats · turnout 46.6%
| Douglas Mills | Conservative | 1,571 |
| R Bird | Conservative | 1,534 |
| K. Cuthbertson | Labour | 1,359 |
| J. Parine | Labour | 1,296 |
| A. Mitchell | LIB | 138 |
| J. Marrin | LIB | 125 |
Thurlow Park2 seats · turnout 45.7%
| J. Blundell | Conservative | 1,725 |
| B Udell | Conservative | 1,645 |
| J. Davidson | Labour | 855 |
| H. McClelland | Labour | 806 |
| D. Charlesworth | LIB | 250 |
| T. Mills | LIB | 231 |
Town Hall3 seats · turnout 34.5%
| M. Noble | Labour | 1,714 ✓ |
| E. Du Parcq | Labour | 1,703 ✓ |
| S. Stace | Labour | 1,659 ✓ |
| K. Challen | Conservative | 1,346 |
| R. Slade | Conservative | 1,325 |
| W. Wells | Conservative | 1,281 |
| G. Davis | Other | 101 |
| W. Bramble | Other | 63 |
| R. Singh | Other | 34 |
| G. Benning | Other | 29 |
| T. Counihan | Other | 25 |
Tulse Hill3 seats · turnout 34.9%
| W. Johnson | Labour | 1,644 ✓ |
| S. Phipp | Labour | 1,468 ✓ |
| D. Ayers | Labour | 1,437 ✓ |
| P. Fisher | Conservative | 1,165 |
| J. Hewgill | Conservative | 1,068 |
| P. Ward | Conservative | 1,051 |
| S. Fevrier | Other | 121 |
| J. Rodrigues | Other | 115 |
| J. Jenkins | Other | 81 |
| S. Jenkins | Other | 71 |
| E. Gilgeours | Other | 65 |
Vassall3 seats · turnout 31.9%
| A. Thompson | Labour | 1,333 ✓ |
| F. Quenault | Labour | 1,322 ✓ |
| P. Rossi | Labour | 1,286 ✓ |
| A. Shaespear | Conservative | 858 |
| E. Pew | Conservative | 838 |
| D. De Laszlo | Conservative | 820 |
