Before (end of 1998) (39 seats, Elections Centre)
Labour 34 · Conservative 5 · Other 0 · Liberal Democrats 0
After (end of 1999) (39 seats, Elections Centre)
Labour 24 · Conservative 15 · Liberal Democrats 0 · Other 0
Ward results
Boyce3 seats
| Wendy Goodwin | Conservative | 952 ✓ |
| C. Findlay | Conservative | 947 ✓ |
| C. Freeman | Conservative | 911 ✓ |
| L. Scarlett | Labour | 662 |
| M Robertson | Labour | 657 |
| P Robinson | Labour | 643 |
Canvey Island Central3 seats
| D. Blackwell | Labour | 802 ✓ |
| E. Brett | Labour | 719 ✓ |
| B. Dixie | Labour | 702 ✓ |
| K. Castle | Conservative | 480 |
| G Hydes | Conservative | 420 |
| S. Smith | Conservative | 412 |
Canvey Island East3 seats
| H. Searle | Labour | 873 ✓ |
| Jackie Reilly | Labour | 868 ✓ |
| L Hart | Labour | 862 ✓ |
| J. Blissett | Conservative | 584 |
| V. Eaton | Conservative | 549 |
| Patricia Haunts | Conservative | 526 |
Canvey Island North3 seats
| P. Anderson | Labour | 1,024 ✓ |
| D. Williams | Labour | 1,000 ✓ |
| C. Hurd | Labour | 989 ✓ |
| R. Howard | Conservative | 455 |
| R Eaton | Conservative | 410 |
| S Scogings | Conservative | 381 |
Canvey Island South2 seats
| S. Waywark | Conservative | 598 ✓ |
| J. Stanley | Conservative | 596 ✓ |
| Lynne Fletcher | Labour | 592 |
| T Norman | Labour | 590 |
| C. Keene | Green | 62 |
| H. Coley | Green | 61 |
Canvey Island West2 seats
| R. Howard | Conservative | 1,140 ✓ |
| A. Belford | Conservative | 965 ✓ |
| J. David | Labour | 565 |
| J Finch | Labour | 536 |
Cedar Hall3 seats
| C. Smith | Labour | 734 ✓ |
| G. Wilson | Labour | 708 ✓ |
| B Scott | Labour | 704 ✓ |
| P Esdaile | Conservative | 632 |
| E Fenwick | Conservative | 599 |
| J. Greenwood | Conservative | 595 |
St George's3 seats
| J. Cooke | Labour | 982 ✓ |
| A. Stevens | Labour | 975 ✓ |
| D. Wells | Labour | 942 ✓ |
| Jacqueline Govier | Conservative | 681 |
| T. Skipp | Conservative | 661 |
| A. Thomas | Conservative | 639 |
St Mary's3 seats
| B. Wilson | Labour | 980 ✓ |
| A. Wright | Labour | 970 ✓ |
| D. Neyland | Labour | 956 ✓ |
| Andrew Edwards | Conservative | 633 |
| D. Goodwin | Conservative | 630 |
| T. Eastman | Conservative | 574 |
| C. Hughes | Green | 121 |
St. James3 seats
| D. Roberts | Conservative | 1,050 ✓ |
| V. Elsworthy | Conservative | 990 ✓ |
| P Narborough | Labour | 977 ✓ |
| Malcolm Forbes Howard | Conservative | 976 |
| W. Deal | Labour | 573 |
| M. Reilly | Labour | 542 |
St. Peters3 seats
| Pamela Challis | Conservative | 892 |
| W. Dick | Conservative | 891 |
| D. Sales | Conservative | 878 |
| K. Hirchfield | Labour | 806 |