Before (end of 1998) (39 seats, Elections Centre)
Conservative 19 · Liberal Democrats 13 · Labour 7 · Other 0
After (end of 1999) (39 seats, Elections Centre)
Conservative 19 · Liberal Democrats 12 · Labour 8 · Other 0
Ward results
Belfairs1 seat · turnout 38.0%
| Gwendoline Horrigan | Conservative | 1,997 |
| C Ritchie | Liberal Democrats | 940 |
| R. Hales | Labour | 482 |
Blenheim1 seat · turnout 28.7%
| B. Smith | Liberal Democrats | 1,068 |
| P Collins | Conservative | 1,034 |
| T. Merrison | Labour | 533 |
Chalkwell1 seat · turnout 27.8%
| R. Brown | Conservative | 1,450 |
| A Miller | Liberal Democrats | 766 |
| Hannan P. | Labour | 448 |
Eastwood1 seat
| Chris Walker | Conservative | 1,563 ✓ |
| M. Beston | Liberal Democrats | 1,075 |
| Ernest Webb | Labour | 520 |
Leigh1 seat · turnout 33.5%
| Jo Lamb | Conservative | 1,224 |
| A. Smulain | Liberal Democrats | 1,140 |
| A. Harley | Labour | 438 |
| B. Issacs | Independent | 238 |
Milton2 seats · turnout 22.8%
| L. Felton | Labour | 934 |
| S. George | Labour | 913 |
| J. Lambert | Conservative | 912 |
| A Khwaja | Conservative | 829 |
| Howes R. | Liberal Democrats | 198 |
| A. Smith | Liberal Democrats | 191 |
Prittlewell1 seat · turnout 26.8%
| D Elf | Liberal Democrats | 918 |
| C. Kerr | Conservative | 913 |
| P White | Labour | 569 |
Shoebury1 seat · turnout 22.8%
| V. Wilson | Conservative | 1,796 |
| L. Wisken | Labour | 1,290 |
| A. Newton | Liberal Democrats | 300 |
Southchurch1 seat · turnout 26.2%
| Kelly B. | Conservative | 1,463 |
| D Garne | Labour | 627 |
| M. Woolcott | Liberal Democrats | 220 |
St. Luke's1 seat
| M Royston | Labour | 902 |
| Garston J. | Conservative | 566 |
| M Clark | Liberal Democrats | 179 |
Thorpe1 seat · turnout 24.2%
| S. Carr | Conservative | 1,656 |
| J Townsend | Labour | 518 |
| T Ray | Liberal Democrats | 242 |
Victoria1 seat · turnout 22.1%
| C Dandridge | Labour | 1,201 |
| A. Delaney | Conservative | 597 |
| P Collins | Liberal Democrats | 232 |
Westborough1 seat · turnout 29.2%
| H Gibeon | Liberal Democrats | 1,038 |
| M Flewitt | Labour | 1,034 |
| M Samuel | Conservative | 448 |