Before (end of 1998) (39 seats, Elections Centre)
Liberal Democrats 25 · Conservative 11 · Labour 2 · Other 1
After (end of 1999) (39 seats, Elections Centre)
Liberal Democrats 25 · Conservative 9 · Other 3 · Labour 2
Ward results
Brentwood North1 seat · turnout 29.3%
| D. Hardy | Liberal Democrats | 679 |
| J Shelton | Conservative | 331 |
| R Goddard | Labour | 261 |
| F Seckleman | Green | 87 |
Brentwood South1 seat · turnout 37.8%
| M. Hogan | Liberal Democrats | 674 |
| A. Freeman | Labour | 603 |
| S. Hamilton | Conservative | 227 |
Brentwood West1 seat · turnout 29.9%
| D. Kendall | Liberal Democrats | 809 |
| P Currie | Conservative | 198 |
| S. Kortlandt | Labour | 145 |
Brizes & Doddinghurst1 seat · turnout 33.3%
| V. Cook | Liberal Democrats | 1,023 |
| C Miers | Conservative | 395 |
| K. Galbraith | Independent | 207 |
| C. Maxey | Labour | 121 |
Herongate & Ingrave1 seat · turnout 39.1%
| K Wright | Conservative | 487 |
| P Goodey | Liberal Democrats | 87 |
| R Gow | Labour | 67 |
Hutton East1 seat · turnout 27.7%
| V. Russell | Liberal Democrats | 492 |
| P Baker | Conservative | 250 |
| C Bisson | Labour | 204 |
Hutton North1 seat · turnout 37.2%
| J. McGinley | Conservative | 582 |
| P Emanuel | Liberal Democrats | 558 |
| S. Ariyanayagam | Labour | 129 |
Ingatestone & Fryerning1 seat · turnout 38.2%
| Jacqueline Anslow | Liberal Democrats | 615 |
| M Kean | Conservative | 564 |
| B Taylor | Labour | 237 |
| Beryl Lankester | Green | 30 |
Mountnessing1 seat
| D Gottesman | Liberal Democrats | 353 ✓ |
| H Sheild | Conservative | 51 |
Pilgrims Hatch1 seat · turnout 36.1%
| C. Myers | Liberal Democrats | 870 |
| S. Barthee | Conservative | 417 |
| Michele Anne Wigram | Labour | 268 |
| A. Donnelly | Independent | 264 |
Shenfield2 seats
| A. Galbraith | Ind Con | 643 ✓ |
| P. Franklin | Conservative | 543 ✓ |
| S Barham | Ind Con | 531 |
| D. Evans | Conservative | 460 |
| D Rookard | Liberal Democrats | 290 |
| T. Taylor | Liberal Democrats | 290 |
| B. Pavitt | Labour | 130 |