Before (end of 1978) (42 seats, Elections Centre)
Labour 35 · The Liberal Party 4 · Conservative 3 · Other 0
After (end of 1979) (42 seats, Elections Centre)
Labour 35 · Conservative 6 · The Liberal Party 1 · Other 0
Ward results
Brays Grove1 seat · turnout 75.5%
| M. Juliff | Labour | 1,322 |
| M. Ashcroft | Conservative | 850 |
| P. Naylor | LIB | 389 |
Great Parndon1 seat · turnout 78.3%
| E. Hill | Conservative | 1,120 |
| C. Cave | Labour | 1,052 |
| T. Owen | LIB | 425 |
Katherines With Sumner1 seat · turnout 78.6%
| D. Workman | Conservative | 994 |
| J. Lockhart | Labour | 898 |
| C. Dunham | LIB | 322 |
Kingsmoor1 seat · turnout 73.9%
| L. Atkins | Conservative | 1,378 |
| A. Jones | Labour | 1,272 |
| L. Swanton | LIB | 698 |
Latton Bush1 seat · turnout 77.8%
| P. Bruce | Labour | 1,506 |
| R. Brown | Conservative | 1,288 |
| I. Richards | LIB | 478 |
Little Parndon1 seat · turnout 42.9%
| E. Atkins | Conservative | 963 |
| P. Ramsay | LIB | 886 |
Mark Hall North1 seat · turnout 80.9%
| J. McAlpine | Labour | 901 |
| P. Moulds | Conservative | 740 |
| M. Ramsay | LIB | 308 |
Mark Hall South1 seat · turnout 73.6%
| L. Smith | Labour | 1,507 |
| J. Hawkins | Conservative | 934 |
| J. Mercer | LIB | 565 |
Netteswell East1 seat · turnout 77.9%
| A. Garner | Labour | 1,236 |
| C. Zarzecki | Conservative | 765 |
| D. Eldridge | LIB | 373 |
Old Harlow1 seat · turnout 80.4%
| G. Reynolds | Conservative | 1,865 |
| S. Firth | Labour | 1,393 |
| J. Kelly | LIB | 400 |
Potter Street1 seat · turnout 76.5%
| W. Gibson | Labour | 1,338 |
| L. Crust | Conservative | 645 |
| S. Ward | LIB | 426 |
Stewards1 seat · turnout 74.1%
| J. Hewitt | LIB | 1,128 |
| C. Cackett | Labour | 1,021 |
| L. Atkins | Conservative | 742 |
Tye Green1 seat · turnout 75.3%
| M. Danvers | Labour | 1,462 |
| Gibson E. | Conservative | 847 |
| I. Wilson | LIB | 637 |