Before (end of 1982) (39 seats, Elections Centre)
Conservative 28 · SDP-Liberal Alliance 8 · Labour 3 · Other 0
After (end of 1983) (39 seats, Elections Centre)
Conservative 28 · SDP-Liberal Alliance 9 · Labour 2 · Other 0
Ward results
Brentwood North1 seat · turnout 51.1%
| P. Costin | Lib/Sdp | 1,235 |
| M. Hutton | Conservative | 952 |
| R. Brown | Labour | 218 |
Brentwood South1 seat · turnout 56.7%
| H. Bates | Conservative | 1,038 |
| F. Bailey | Labour | 1,018 |
| T. Brown | Lib/Sdp | 353 |
Brentwood West1 seat · turnout 44.8%
| E. Mather | Conservative | 1,128 |
| I. Stroud | Lib/Sdp | 395 |
| S. Mount | Labour | 320 |
Brizes1 seat · turnout 41.5%
| J. Mackintosh | Conservative | 390 |
| D. Hardy | Lib/Sdp | 143 |
| S. Wilkinson | Labour | 66 |
Herongate & Ingrave1 seat · turnout 57.0%
| Read A. | Conservative | 595 |
| T. Jeffes | Lib/Sdp | 208 |
| B. Bowles | Labour | 131 |
Hutton East1 seat · turnout 47.8%
| C. Colley | Conservative | 1,008 |
| D. Shiels | Labour | 488 |
| M. Gill | Lib/Sdp | 401 |
Hutton North1 seat
| D Hamilton | Conservative | 757 ✓ |
| O. Hall | Lib/Sdp | 714 |
| E Harrison | Labour | 259 |
Hutton South1 seat
| J. Watson | Conservative | 1,386 ✓ |
| A. Longman | Lib/Sdp | 437 |
| L. Grennell | Labour | 91 |
Ingatestone & Fryerning1 seat · turnout 67.7%
| E. Bottomley | Lib/Sdp | 1,314 |
| V. Fletcher | Conservative | 1,168 |
| B. Barnard | Labour | 64 |
Mountnessing1 seat · turnout 60.7%
| D. Gottesmann | Lib/Sdp | 313 |
| J. Williams | Conservative | 210 |
| E. Welton | Labour | 67 |
Pilgrims Hatch1 seat · turnout 47.6%
| J. Steare | Lib/Sdp | 1,076 |
| T. Galbraith | Conservative | 841 |
| D. Edwardes | Labour | 501 |
Shenfield1 seat · turnout 49.7%
| G. Jennings | Conservative | 1,502 |
| T. Harry | Lib/Sdp | 537 |
| C. Smith | Labour | 114 |
Warley1 seat · turnout 46.2%
| A. Earl | Conservative | 1,290 |
| P. Rozee | Labour | 368 |
| E. Shingles | Lib/Sdp | 313 |