Before (end of 1978) (39 seats, Elections Centre)
Conservative 35 · Labour 3 · The Liberal Party 1 · Other 0
After (end of 1979) (39 seats, Elections Centre)
Conservative 33 · Labour 4 · The Liberal Party 2 · Other 0
Ward results
Brentwood North1 seat · turnout 74.0%
| M. Hutton | Conservative | 1,405 |
| E. Bonner | LIB | 1,272 |
| C. Ely | Labour | 816 |
Brentwood South1 seat · turnout 44.0%
| F. Bailey | Labour | 979 |
| D. Golding | Conservative | 553 |
| P. Wilcox | LIB | 352 |
Brentwood West1 seat · turnout 76.6%
| E. Mather | Conservative | 2,151 |
| C. Smith | Labour | 1,148 |
Brizes1 seat · turnout 76.4%
| J. Macintosh | Conservative | 639 |
| M. Hardy | LIB | 265 |
| P. Mayo | Labour | 191 |
Herongate & Ingrave1 seat · turnout 83.4%
| Read A. | Conservative | 930 |
| F. Sanderson | Labour | 379 |
Hutton East1 seat · turnout 79.1%
| C. Colley | Conservative | 1,938 |
| A. Bailey | Labour | 1,177 |
Hutton North1 seat · turnout 79.3%
| H. Squelch | Conservative | 1,778 |
| B. Bowles | Labour | 922 |
Ingatestone & Fryerning1 seat · turnout 83.4%
| D. McAdams | Conservative | 1,971 |
| E. Bottomley | LIB | 896 |
| R. Humphreys | Labour | 260 |
Mountnessing1 seat · turnout 75.8%
| S. Williams | Conservative | 355 |
| E. Welton | Labour | 197 |
| S. Postle | LIB | 176 |
Pilgrims Hatch1 seat · turnout 78.1%
| A Galbraith | Conservative | 2,066 |
| L. Southgate | Labour | 1,914 |
Shenfield1 seat · turnout 75.9%
| G. Jennings | Conservative | 2,528 |
| G. Neal | LIB | 474 |
| S. Maxey | Labour | 304 |
