Before (end of 2003) (51 seats, Elections Centre)
Conservative 32 · Labour 10 · Liberal Democrats 8 · Other 1
After (end of 2004) (51 seats, Elections Centre)
Conservative 33 · Labour 9 · Liberal Democrats 7 · Other 2
Ward results
Belfairs1 seat
| Stephen Aylen | Conservative | 1,641 ✓ |
| Mike Grimwade | Liberal Democrats | 1,028 |
| Cheryl Nevin | Labour | 347 |
Blenheim Park1 seat · turnout 35.3%
| Graham Longley | Liberal Democrats | 1,233 ✓ |
| Duncan Newham | Conservative | 1,078 |
| Charles Willis | Labour | 354 |
Chalkwell1 seat
| Ian Robertson | Conservative | 1,434 ✓ |
| Sara Coyle | Liberal Democrats | 571 |
| Lydia Sookias | Labour | 325 |
| Jeremy Moss | English Democrats Party - Putting England First | 211 |
Eastwood Park1 seat · turnout 37.6%
| Chris Walker | Conservative | 1,563 ✓ |
| Norah Goodman | Liberal Democrats | 1,028 |
| Raoul Meade | Labour | 240 |
Kursaal1 seat · turnout 26.7%
| Denis Garne | Labour | 627 ✓ |
| Tony Cox | Conservative | 623 |
| Adrian Key | English Democrats Party - Putting England First | 225 |
| Robert Christopher Howes | Liberal Democrats | 203 |
| Paul Circus | Green | 142 |
Leigh1 seat · turnout 37.0%
| Crystal A. | Liberal Democrats | 1,414 ✓ |
| S. Gutteridge | Conservative | 936 |
| T. Borton | Labour | 247 |
Milton1 seat · turnout 30.7%
| Raymond Davy | Conservative | 1,068 ✓ |
| Ian Gilbert | Labour | 576 |
| Marion Boulton | Liberal Democrats | 441 |
Prittlewell1 seat · turnout 38.0%
| Ronald Price | Conservative | 1,303 ✓ |
| Mandy O'Connor | Liberal Democrats | 926 |
| Margaret Borton | Labour | 338 |
| Andrea Marsha Louise Black | Green | 279 |
Shoeburyness1 seat · turnout 28.9%
| David Ascroft | Conservative | 1,274 ✓ |
| Anne Chalk | Labour | 561 |
| Colin Spraggs | Liberal Democrats | 283 |
Southchurch1 seat · turnout 36.5%
| David Garston | Conservative | 1,672 ✓ |
| Clive Iain Rebbeck | Labour | 369 |
| Linda Smith | Liberal Democrats | 281 |
| Adrian Hedges | Green | 260 |
St Laurence1 seat
| Mark Flewitt | Conservative | 1,013 ✓ |
| Peter Dolby | Liberal Democrats | 861 |
| Peter O'Kane | UK Independence Party (UKIP) | 695 |
| Paul White | Labour | 280 |
St. Luke's1 seat
| Melvyn Day | Conservative | 858 ✓ |
| Reginald Copley | Labour | 677 |
| Brian Ayling | Liberal Democrats | 404 |
| Steve Flynn | Green | 311 |
Thorpe1 seat · turnout 39.7%
| Sally Carr | Conservative | 2,073 ✓ |
| Timothy Ray | Liberal Democrats | 430 |
| Joyce Mapp | Labour | 318 |
Victoria1 seat · turnout 27.1%
| Christopher Dandridge | Labour | 794 ✓ |
| Paul Jones | Conservative | 643 |
| Paul Collins | Liberal Democrats | 425 |
West Leigh1 seat
| Jane Lamb | Conservative | 1,935 ✓ |
| Albert Wren | Liberal Democrats | 896 |
| Doris Thomas | Green | 213 |
| Deborah Robinson | Labour | 200 |
West Shoebury1 seat · turnout 34.0%
| Anthony North | Conservative | 1,661 ✓ |
| Lee Craven | Labour | 486 |
| Amanda Spraggs | Liberal Democrats | 301 |
Westborough1 seat · turnout 31.9%
| Marimuthu Velmurugan | Independent | 1,005 ✓ |
| George Lewin | Liberal Democrats | 438 |
| Ahmad Khwaja | Conservative | 361 |
| Julian Ware-Lane | Labour | 345 |