Before (end of 1998) (54 seats, Elections Centre)
Liberal Democrats 27 · Conservative 19 · Labour 4 · Other 4
After (end of 1999) (54 seats, Elections Centre)
Conservative 29 · Liberal Democrats 21 · Labour 2 · Other 2
Ward results
Balcombe1 seat
| L. Fairweather | Independent | 0 ✓ |
Bolney1 seat
| Susan Seward | Conservative | 520 ✓ |
| Houghton D.Ms | Labour | 79 |
| Anna Hodgetts | Liberal Democrats | 65 |
Burgess Hil St. Andrews2 seats
| D. Shevels | Liberal Democrats | 667 ✓ |
| Diane Shevels | Liberal Democrats | 639 ✓ |
| V. Heard | Conservative | 248 |
| Hicks D. | Conservative | 242 |
| D. Fitzpatrick | Labour | 127 |
| Kathleen Dumbovic | Liberal Democrats | 285 ✓ |
| Z. Birch | Independent | 261 |
| S Barnes | Conservative | 115 |
| P Mitchell | Labour | 69 |
Burgess Hill Franklands2 seats
| R Batten | Conservative | 670 ✓ |
| M. Sullivan | Conservative | 662 ✓ |
| T. O’Hara | Liberal Democrats | 655 |
| M Stephens | Liberal Democrats | 641 |
| E. Poulson | Labour | 158 |
Burgess Hill North1 seat
| Anne Jones | Liberal Democrats | 543 ✓ |
| M Greenhow | Conservative | 356 |
| D Reynolds | Labour | 161 |
Burgess Hill Town2 seats
| G. Knight | Liberal Democrats | 515 ✓ |
| P. Cutler | Liberal Democrats | 476 ✓ |
| C. Smith | Conservative | 451 |
| R. White | Conservative | 426 |
| D Budgen | Labour | 135 |
| P Parkhurst | Labour | 120 |
Burgess Hill West2 seats
| K. Blanshard | Liberal Democrats | 484 ✓ |
| Eileen Balsdon | Liberal Democrats | 476 ✓ |
| Suzanne Cosgrave | Conservative | 192 |
| D Terry | Conservative | 192 |
Clayton1 seat
| J Slaughter | Liberal Democrats | 439 ✓ |
| Dawson J. | Conservative | 284 |
| Jennifer Epstein | Labour | 114 |
COPTHORNE & WORTH2 seats
| G. Curtis | Conservative | 640 ✓ |
| G. Phillips | Conservative | 613 ✓ |
| P. Johnson | Liberal Democrats | 255 |
| H. Sheers | Liberal Democrats | 242 |
East Grinstead East1 seat
| S. Barnett | Liberal Democrats | 284 ✓ |
| Margaret Ball | Conservative | 254 |
| D Dickson | Labour | 47 |
East Grinstead North3 seats
| D Russell | Conservative | 820 ✓ |
| J. Belsey | Conservative | 812 ✓ |
| R Horman | Conservative | 801 ✓ |
| D. Heasman | Liberal Democrats | 795 |
| B. Tuck | Liberal Democrats | 751 |
| Janette Wilson | Liberal Democrats | 730 |
| M. Scott | Labour | 272 |
East Grinstead South3 seats
| I. Dixon | Liberal Democrats | 733 ✓ |
| A Lord | Liberal Democrats | 724 ✓ |
| Ed Matthews | Liberal Democrats | 704 ✓ |
| Sally Ann Beal | Conservative | 652 |
| R Heymann | Conservative | 633 |
| R. Williams | Conservative | 605 |
| S. Hamilton | Labour | 168 |
East Grinstead West3 seats
| Jean Glynn | Liberal Democrats | 881 ✓ |
| A. Beal | Conservative | 876 ✓ |
| B. Sparkes | Conservative | 831 ✓ |
| M Vallance | Conservative | 817 |
| B. Gillbard | Liberal Democrats | 807 |
| L. Camplisson | Liberal Democrats | 739 |
| M. Turnbull | Labour | 284 |
Haywards Heath Ashenground2 seats
| M. Owen | Liberal Democrats | 692 ✓ |
| J Beacon | Liberal Democrats | 640 ✓ |
| S. Gawan | Conservative | 291 |
| R Wallis | Conservative | 281 |
| M Bettine | Labour | 248 |
| J Crawford | Labour | 240 |
Haywards Heath Bentswood2 seats
| R. Goddard | Labour | 577 ✓ |
| P. Henry | Labour | 567 ✓ |
| D. Booker | Conservative | 202 |
| V. Poxon | Conservative | 185 |
| A. Hughes | Liberal Democrats | 146 |
| C. Wood | Liberal Democrats | 109 |
Haywards Heath Franklands2 seats
| C. Chapman | Conservative | 636 ✓ |
| M. Sharman | Conservative | 607 ✓ |
| M. Hamilton | Labour | 510 |
| P. Lucraft | Liberal Democrats | 469 |
| D. Morley | Labour | 458 |
| D Whyberd | Liberal Democrats | 429 |
Haywards Heath Harlands2 seats
| M. Gilks | Conservative | 803 ✓ |
| T. Gillard | Conservative | 797 ✓ |
| P. Brown | Liberal Democrats | 534 |
| A. Mercer | Liberal Democrats | 529 |
| P. Brown | Labour | 171 |
| R. Irvine | Labour | 159 |
| N. Seefried | Green | 54 |
Haywards Heath Heath2 seats
| Irene Wilkins | Liberal Democrats | 567 ✓ |
| Julia Brown | Liberal Democrats | 543 ✓ |
| P. Bailey | Conservative | 448 |
| M. Gratwick | Conservative | 437 |
| P. Atkins | Labour | 125 |
| T Minnikin | Labour | 108 |
| S Emmott | Green | 31 |
Horsted Keynes1 seat
| Patricia Webster | Liberal Democrats | 240 ✓ |
| S Aplin | Conservative | 132 |
Keymer3 seats
| A. Davies | Liberal Democrats | 952 ✓ |
| C. Wilsdon | Liberal Democrats | 925 ✓ |
| P. Martin | Conservative | 873 ✓ |
| N. Cook | Liberal Democrats | 870 |
| L Large | Conservative | 763 |
| A. Barrett-Miles | Conservative | 754 |
| P. Ashcroft | Labour | 279 |
| Arleene Piercy | Labour | 265 |
Lindfield Rural1 seat
| C. Hersey | Conservative | 440 ✓ |
| Gillian House | Liberal Democrats | 165 |
| P. Castillo | Labour | 40 |
Lindfield Urban3 seats
| G. Snowling | Conservative | 915 ✓ |
| Margaret Hersey | Conservative | 891 ✓ |
| S. Hillier | Conservative | 845 ✓ |
| A. Lucraft | Liberal Democrats | 527 |
| C. Povey | Liberal Democrats | 486 |
| Elizabeth Rodgers | Liberal Democrats | 484 |
| Isabel Jeanette Burns | Labour | 233 |
| F Hasler | Labour | 184 |
Slaugham1 seat
| A. MacNaughton | Conservative | 348 ✓ |
| J Revell | Liberal Democrats | 333 |
Turners Hill1 seat
| A Brooks | Conservative | 222 ✓ |
| M. Grainger | Liberal Democrats | 143 |
| M Weller | Green | 43 |
West Hoathly1 seat
| Christine Field | Conservative | 419 ✓ |
| M Wright | Liberal Democrats | 148 |
| H Seefried | Green | 40 |
