Before (end of 1975) (55 seats, Elections Centre)
Conservative 26 · Labour 17 · The Liberal Party 12 · Other 0
After (end of 1976) (39 seats, Elections Centre)
Conservative 25 · Labour 10 · The Liberal Party 4 · Other 0
Ward results
ALDENHAM EAST2 seats · turnout 53.7%
| Jordan | Conservative | 1,572 |
| D. Nelson | Conservative | 1,551 |
| Vincent | Labour | 162 |
| Hawkins | Labour | 152 |
Aldenham West2 seats · turnout 46.6%
| Watson | Conservative | 1,239 |
| Payne | Conservative | 1,225 |
| Hawkins | Labour | 376 |
| Holland | Labour | 335 |
Brookmeadow2 seats · turnout 38.0%
| D. Button | Labour | 843 |
| A. Whitby | Labour | 813 |
| H. Watson | Conservative | 240 |
| Lockwood | Conservative | 239 |
Cowley2 seats · turnout 31.4%
| Kentish | Labour | 769 |
| A. Rosier | Labour | 742 |
| Doidge | Conservative | 360 |
| Olliff | Conservative | 357 |
ELSTREE2 seats · turnout 53.0%
| Thomas | Conservative | 1,283 |
| C. Watts | Conservative | 1,282 |
| Style | LIB | 462 |
| Mackay | LIB | 417 |
| Brooke | Labour | 269 |
| Freedland | Labour | 268 |
Heath North2 seats · turnout 44.4%
| Franklin | Conservative | 894 |
| J. Harding | Conservative | 872 |
| Hyman | LIB | 447 |
| Mallack | LIB | 439 |
| Peters | Labour | 161 |
| Saunders | Labour | 142 |
Heath South2 seats · turnout 41.9%
| Tighe | Conservative | 1,106 |
| Jones | Conservative | 1,104 |
| Coombes | LIB | 329 |
| Smith | LIB | 312 |
| Finn | Labour | 125 |
| Slowin | Labour | 107 |
Hillside2 seats · turnout 39.8%
| Murray | Labour | 646 |
| Marks | Labour | 633 |
| Lewis | Conservative | 491 |
| H. Stevens | Conservative | 474 |
| Rutland | LIB | 87 |
Kenilworth2 seats · turnout 42.9%
| Armstrong | Labour | 898 |
| Atkinson | Labour | 808 |
| Upton | Conservative | 612 |
| Wells | Conservative | 521 |
| Shelley | LIB | 95 |
Lyndhurst2 seats · turnout 46.7%
| Keating | Conservative | 815 |
| Hine | Conservative | 783 |
| Coe | Labour | 770 |
| Cartledge | Labour | 730 |
| Weller | LIB | 120 |
Mill2 seats · turnout 49.4%
| M. Colne | LIB | 864 |
| P. Gurney | LIB | 787 |
| Gibson | Conservative | 582 |
| Wadington | Conservative | 507 |
| Dring | Labour | 362 |
| J. Squires | Labour | 358 |
Potters Bar Central2 seats · turnout 56.9%
| J. Hurd | LIB | 921 |
| I. Fielding | Conservative | 797 |
| Nelmes | LIB | 743 |
| P. Spratt | Conservative | 695 |
| Glatter | Labour | 198 |
| Murray | Labour | 172 |
Potters Bar North2 seats · turnout 46.3%
| Birch | Conservative | 1,339 |
| W. Stock | Conservative | 1,307 |
| Stranks | LIB | 345 |
| Thornton | LIB | 311 |
| Spinks | Labour | 132 |
Potters Bar South2 seats · turnout 46.3%
| Bullen | Conservative | 894 |
| Watts | Conservative | 868 |
| Clark | Labour | 384 |
| Bailey | Labour | 369 |
| Bentall | LIB | 206 |
| Byworth | LIB | 178 |
Potters Bar West2 seats · turnout 51.8%
| Griffin | Conservative | 1,030 |
| E. Muddle | Conservative | 987 |
| J. Hurd | LIB | 503 |
| Shannon | LIB | 382 |
| Davies | Labour | 284 |
| J. McCarthy | Labour | 268 |
SHENLEY1 seat · turnout 60.9%
| E. Broadley | Labour | 555 |
| Wild | Conservative | 462 |