Before (end of 2002) (51 seats, Elections Centre)
Conservative 33 · Labour 11 · Liberal Democrats 7 · Other 0
After (end of 2003) (51 seats, Elections Centre)
Conservative 32 · Labour 10 · Liberal Democrats 8 · Other 1
Ward results
Belfairs1 seat · turnout 30.2%
| Julie Kathleen Cushion | Conservative | 1,113 ✓ |
| Mike Grimwade | Liberal Democrats | 860 |
| Tony Borton | Labour | 230 |
Blenheim Park1 seat · turnout 26.9%
| Jim Clinkscales | Liberal Democrats | 888 ✓ |
| Ian Robertson | Conservative | 835 |
| Charles Willis | Labour | 297 |
Chalkwell1 seat · turnout 25.7%
| Charles Latham | Conservative | 1,155 ✓ |
| Richard Gage | Liberal Democrats | 435 |
| Lydia Sookias | Labour | 266 |
Eastwood Park1 seat · turnout 27.9%
| Roger Weaver | Conservative | 1,078 ✓ |
| Norah Goodman | Liberal Democrats | 841 |
| Raoul Meade | Labour | 184 |
Kursaal1 seat · turnout 18.3%
| Stephen George | Labour | 644 ✓ |
| Judith Smithson | Conservative | 383 |
| George Lewin | Liberal Democrats | 224 |
Leigh1 seat · turnout 31.0%
| P. Wexham | Liberal Democrats | 1,335 ✓ |
| S. Gutteridge | Conservative | 573 |
| Dawn Arno | Green | 138 |
| Helen Jane Beckett | Labour | 134 |
Milton1 seat · turnout 22.1%
| Jonathan Mark Garston | Conservative | 785 ✓ |
| Ian Gilbert | Labour | 403 |
| Michael Clark | Liberal Democrats | 201 |
| Steve Flynn | Green | 118 |
Prittlewell1 seat · turnout 26.9%
| Murray Foster | Conservative | 962 ✓ |
| John Adams | Liberal Democrats | 695 |
| Margaret Borton | Labour | 245 |
| Andrea Marsha Louise Black | Green | 131 |
Shoeburyness1 seat · turnout 19.6%
| Patricia Rayner | Conservative | 810 ✓ |
| Anne Chalk | Labour | 472 |
| Colin Spraggs | Liberal Democrats | 147 |
Southchurch1 seat · turnout 24.6%
| Ann Holland | Conservative | 1,258 ✓ |
| Darius Ware-Lane | Labour | 264 |
| Timothy Ray | Liberal Democrats | 229 |
St Laurence1 seat
| Carole Roast | Liberal Democrats | 925 ✓ |
| Michael Dolby | Conservative | 738 |
| Paul White | Labour | 272 |
St. Luke's1 seat
| Kevin Robinson | Labour | 590 ✓ |
| Melvyn Day | Conservative | 525 |
| Marion Boulton | Liberal Democrats | 155 |
| Cristian Ramis | Green | 105 |
Thorpe1 seat · turnout 27.2%
| Anthony Delaney | Conservative | 1,456 ✓ |
| John Townsend | Labour | 248 |
| Linda Smith | Liberal Democrats | 235 |
Victoria1 seat · turnout 21.9%
| David Norman | Labour | 667 ✓ |
| Anthony Smithson | Conservative | 308 |
| Graham John | BNP | 249 |
| Paul Collins | Liberal Democrats | 142 |
| Adrian Hedges | Green | 91 |
West Leigh1 seat · turnout 36.1%
| Howard Briggs | Conservative | 1,417 ✓ |
| Albert Wren | Liberal Democrats | 821 |
| Joyce Mapp | Labour | 118 |
| Doris Thomas | Green | 114 |
West Shoebury1 seat · turnout 23.2%
| Derek Jarvis | Conservative | 1,173 ✓ |
| Julian Ware-Lane | Labour | 340 |
| Amanda Spraggs | Liberal Democrats | 187 |
Westborough1 seat · turnout 25.0%
| Martin Terry | Independent | 640 ✓ |
| Marimuthu Velmurugan | Labour | 393 |
| Colin Ritchie | Liberal Democrats | 352 |
| Emma Hill | Conservative | 226 |
| Trevor Oakley | Independent | 66 |
| Rita Wood | Green | 57 |