Before (end of 2003) (41 seats, Elections Centre)
Conservative 39 · Labour 2 · Liberal Democrats 0 · Other 0
After (end of 2004) (41 seats, Elections Centre)
Conservative 35 · Other 6 · Labour 0 · Liberal Democrats 0
Ward results
Appleton1 seat
| Tom Skipp | Conservative | 1,183 ✓ |
| John Trollope | Labour | 649 |
Boyce1 seat
| Christopher Freeman | Conservative | 1,185 ✓ |
| Anthony Wright | Labour | 416 |
| Nanine Pachy | Green | 254 |
Canvey Island Central1 seat
| John Marshall Anderson | CIIP | 751 ✓ |
| Terry Blackwell | Labour | 456 |
| Nigel King | Conservative | 452 |
| Christopher Keene | Green | 40 |
Canvey Island East1 seat
| Anne Wood | CIIP | 847 ✓ |
| Winnifred Day | Conservative | 510 |
| Jackie Reilly | Labour | 449 |
| Keith Low | — | 47 |
Canvey Island North1 seat
| Martin Tucker | CIIP | 846 ✓ |
| Matthew James Reilly | Labour | 457 |
| Heather Searle | Conservative | 406 |
| Irene Willis | Green | 70 |
Canvey Island South1 seat
| Barry Wood | CIIP | 750 ✓ |
| Jeffrey Alan Stanley | Conservative | 581 |
| Michael Kevin Curham | Labour | 248 |
| Lionel Hart | Independent | 163 |
| Clifford Hughes | Green | 48 |
| Barry Dixie | CIIP | 626 ✓ |
| Kenneth Moore | Conservative | 460 |
| Maggie McArthur-Curtis | Labour | 245 |
| Robert Chapman | Respect | 44 |
Cedar Hall1 seat
| Norman Ladzrie | Conservative | 1,170 ✓ |
| Lorna Trollope | Labour | 556 |
St. James1 seat
| William Sharp | Conservative | 1,131 ✓ |
| Vikki Copping | Green | 425 |
| Daniel Regan | Labour | 397 |
St. Peters1 seat
| Beverley Egan | Conservative | 1,084 ✓ |
| Malcolm Gamble | Labour | 423 |
| Eileen Peck | Green | 288 |
Victoria1 seat
| Enid Isaacs | Conservative | 1,034 ✓ |
| Robert Peters | Labour | 396 |
| Douglas John Copping | Green | 324 |