Before (end of 1977) (45 seats, Elections Centre)
Labour 25 · Conservative 19 · The Liberal Party 1 · Other 0
After (end of 1978) (45 seats, Elections Centre)
Labour 24 · Conservative 20 · The Liberal Party 1 · Other 0
Ward results
Billinge & Seneley Green1 seat
| E. Wright | Conservative | 2,322 |
| E. Littler | Labour | 1,734 |
No. 10 (Newton-Le-Willows: Newton & Wargrave)1 seat · turnout 47.3%
| S. Knight | Labour | 1,824 ✓ |
| M. Monks | Conservative | 1,551 |
| A. Sherlock | The Liberal Party | 400 |
No. 5 (St. Helens: North Eccleston & South Windle)1 seat · turnout 42.0%
| J. Gill | Conservative | 1,463 ✓ |
| J. Greenall | Labour | 1,443 |
No. 7 (St. Helens: West Sutton)1 seat · turnout 33.3%
| D. Johnson | Labour | 2,563 ✓ |
| I. Balmer | Conservative | 1,049 |
| T. Gilligan | LIB | 476 |
| J. Boylan | WRP | 111 |