Before (end of 1975) (38 seats, Elections Centre)
Conservative 25 · Labour 11 · The Liberal Party 1 · Other 1
After (end of 1976) (39 seats, Elections Centre)
Conservative 34 · Labour 4 · The Liberal Party 1 · Other 0
Ward results
Brentwood North3 seats
| J Isgrove | Conservative | 946 ✓ |
| M Hutton | Conservative | 939 ✓ |
| G Green | Conservative | 926 ✓ |
| J Akker | Labour | 800 |
| Sean Rhodes | Labour | 776 |
| N Rhodes | Labour | 758 |
Brentwood South3 seats · turnout 48.0%
| J. Reddell | Labour | 1,374 |
| J. Rowe | Labour | 1,168 |
| D. Minns | Labour | 1,130 |
| A. Calaghan | Conservative | 881 |
| T. Sibley | Conservative | 849 |
| R. Wright | Conservative | 816 |
Brentwood West3 seats · turnout 49.2%
| Patrick Adams | Conservative | 1,101 |
| E. Mather | Conservative | 1,099 |
| F. Salway | Conservative | 1,095 |
| P. Mayo | Labour | 741 |
| A. Reeve | Labour | 739 |
| J. Keohane | Labour | 729 |
| E. Waite | LIB | 287 |
| R. Jones | LIB | 246 |
| G. Neal | LIB | 224 |
Brizes1 seat · turnout 46.8%
| R Allen | Conservative | 529 |
| H. Hatfield | Labour | 119 |
Doddinghurst2 seats · turnout 41.3%
| E. Walker | Conservative | 607 |
| A. Witts | Conservative | 555 |
| W. Greaves | LIB | 391 |
| J. Bastick | LIB | 343 |
| T. Turbin | Labour | 169 |
| A. Bailey | Labour | 139 |
Herongate & Ingrave1 seat · turnout 57.1%
| Read A. | Conservative | 695 |
| M. Harding | Labour | 177 |
Hook End & Wyatts Green1 seat · turnout 48.9%
| B. Free | Conservative | 491 |
| N. Skinner | LIB | 146 |
| A. Fitchet | Labour | 71 |
Hutton East3 seats
| J. Warnock | Conservative | 1,022 ✓ |
| I. Goodchild | Conservative | 1,006 ✓ |
| B. Mison | Conservative | 994 ✓ |
| D. Shiels | Labour | 774 |
| D. Wacey | Labour | 707 |
| C. Ely | Labour | 698 |
| D. Henderson | COMM | 77 |
Hutton North3 seats
| R Sibley | Conservative | 1,095 ✓ |
| B Squelch | Conservative | 1,072 ✓ |
| Edward Dodd | Conservative | 1,036 ✓ |
| E Harrison | Labour | 642 |
| S Westlake | Labour | 632 |
| A Cozens | Labour | 581 |
Ingatestone & Fryerning3 seats · turnout 53.0%
| A. Gregg | Conservative | 1,281 |
| D. McAdams | Conservative | 1,256 |
| K. Brown | Conservative | 1,251 |
| E. Bottomley | LIB | 523 |
| P. Scott | LIB | 482 |
| L. Cooke | LIB | 453 |
| J. Syson | Labour | 225 |
| R. Humphreys | Labour | 191 |
| E. Harriott | Labour | 175 |
Mountnessing1 seat · turnout 59.0%
| K. Brand | Conservative | 301 ✓ |
| E. Welton | Labour | 182 |
| I. Buckle | LIB | 43 |
| B. Scarce | Independent | 26 |
Pilgrims Hatch3 seats · turnout 33.7%
| A. Donnelly | Conservative | 909 |
| B. Lynch | Labour | 906 |
| M. Gibson | Conservative | 905 |
| I. Johnston | Conservative | 870 |
| L. Southgate | Labour | 814 |
| L. Green | Labour | 772 |
Shenfield3 seats · turnout 43.0%
| W. Brocklebank | Conservative | 1,527 |
| G. Jennings | Conservative | 1,468 |
| N. Thain | Conservative | 1,448 |
| S. Walker | LIB | 572 |
| G. Maxey | Labour | 174 |
| P. Wacey | Labour | 162 |
| P. Maisey | Labour | 135 |
South Weald1 seat · turnout 72.6%
| J. Shawcross | LIB | 607 |
| P. Riley | Conservative | 181 |
| B. Bright | Labour | 32 |
Warley3 seats · turnout 46.8%
| A. Bloomfield | Conservative | 1,318 |
| L. Wickes | Conservative | 1,297 |
| E. Fife | Conservative | 1,230 |
| D. Brewerton | Labour | 707 |
| B. Williams | Labour | 653 |
| D. Rookard | Labour | 638 |
| W. Hume | COMM | 51 |
West Horndon1 seat · turnout 64.6%
| D. Ramsay | Conservative | 424 |
| F. Sanderson | Labour | 359 |
