Before (end of 1975) (39 seats, Elections Centre)
Labour 20 · Conservative 19 · The Liberal Party 0 · Other 0
After (end of 1976) (39 seats, Elections Centre)
Conservative 36 · Labour 3 · The Liberal Party 0 · Other 0
Ward results
Canvey Island Central3 seats · turnout 41.8%
| D. Shaw | Labour | 668 |
| P. Coley | Conservative | 628 |
| M. Grant | Conservative | 623 |
| A. Hurd | Labour | 621 |
| C. Fitzpatrick | Labour | 617 |
| G. Hannington | Conservative | 605 |
| T. Fletcher | Ind Lab | 521 |
| P. Soper | Ind Lab | 418 |
| T. Legon | Ind Lab | 399 |
Canvey Island East3 seats · turnout 34.0%
| D. Mitchell | Conservative | 1,028 |
| W. Macdonnell | Conservative | 1,022 |
| W. Ashworth | Conservative | 976 |
| E. Luker | Labour | 559 |
| J. Lewis | Labour | 547 |
| M. Luker | Labour | 543 |
Canvey Island South2 seats · turnout 42.3%
| J. Pring | Conservative | 715 |
| A. Partridge | Conservative | 713 |
| S. Cope | Labour | 383 |
| A. Sheldrake | Labour | 323 |
| K. Colombo | LIB | 224 |
| H. Reynolds | LIB | 196 |
No. 1 (Benfleet: Boyce)4 seats · turnout 47.3%
| J. Selby | Conservative | 1,867 |
| J. Pike | Conservative | 1,823 |
| I. Starkey | Conservative | 1,766 |
| S. Jezeph | Conservative | 1,706 |
| S. Pope | LIB | 941 |
| M. Ash | LIB | 687 |
| T. Atkin | LIB | 674 |
| B. Newman | LIB | 653 |
| A. Ede | Labour | 551 |
| J. Kelly | Labour | 494 |
No. 11 (Canvey Island: West)2 seats · turnout 44.5%
| R. Howard | Conservative | 962 |
| J. Bowden | Conservative | 795 |
| M. Brown | Labour | 416 |
| G. Ash | Labour | 403 |
| G. Whatley | LIB | 320 |
| K. Grimsey | LIB | 253 |
No. 12 (Canvey Island: Wintergardens)2 seats · turnout 37.8%
| K. Burgess | Labour | 615 |
| P. Haslam | Labour | 589 |
| K. Eastwell | Conservative | 556 |
| J. Whiting | Conservative | 545 |
No. 2 (Benfleet: St. Georges)4 seats · turnout 32.8%
| A. Herbert | Conservative | 1,198 |
| G. Howard | Conservative | 1,191 |
| Sanders O. | Conservative | 1,189 |
| M. Howard | Conservative | 1,174 |
| N. Crabb | Labour | 1,065 |
| J. Cooke | Labour | 1,041 |
| D. Wells | Labour | 1,041 |
| A. Dawson | Labour | 1,015 |
No. 3 (Benfleet: St. James)4 seats
| R Williams | Conservative | 1,876 ✓ |
| G Goddard | Conservative | 1,820 ✓ |
| F Millbank | Conservative | 1,798 ✓ |
| Matthew Willis | Conservative | 1,780 ✓ |
| D Holgate | Labour | 454 |
| E Holgate | Labour | 417 |
No. 4 (Benfleet: St. Marys)4 seats
| D. Goodwin | Conservative | 1,886 |
| W. Allen | Conservative | 1,883 |
| K. Le-Fevre | Conservative | 1,864 |
| G. Dickman | Conservative | 1,858 |
| A. Wright | Labour | 921 |
| J. Lesser | Labour | 842 |
| D. Nisbet | Labour | 790 |
| P. Ottino | Labour | 756 |
No. 5 (Benfleet: St. Peters)4 seats
| P Hurn | Conservative | 1,930 ✓ |
| D Hurn | Conservative | 1,917 ✓ |
| J Meggison | Conservative | 1,894 ✓ |
| D Read | Conservative | 1,889 ✓ |
| C Prentice | Labour | 626 |
| G Auvache | Labour | 590 |
| L Boreham | Labour | 580 |
| R Lawrence | Labour | 575 |
No. 6 (Benfleet: Victoria)4 seats
| E Gallienne | Conservative | 1,989 ✓ |
| S Amos | Conservative | 1,982 ✓ |
| N Firman | Conservative | 1,957 ✓ |
| J Hackling | Conservative | 1,907 ✓ |
| J Newman | Labour | 572 |
| A Ingold | Labour | 489 |
No. 9 (Canvey Island: North)3 seats · turnout 33.0%
| H. Tibbles | Conservative | 795 |
| F. Wood | Conservative | 783 |
| S. Alterman | Conservative | 763 |
| D. Kennedy | Labour | 623 |
| R. Bedwell | Labour | 610 |
| J. Knight | Labour | 584 |