Before (end of 1975) (45 seats, Elections Centre)
Labour 30 · Conservative 14 · The Liberal Party 1 · Other 0
After (end of 1976) (45 seats, Elections Centre)
Labour 25 · Conservative 19 · The Liberal Party 1 · Other 0
Ward results
Billinge & Seneley Green1 seat
| T. Grundy | Conservative | 1,952 |
| N. Wilson | Labour | 1,653 |
No. 10 (Newton-Le-Willows: Newton & Wargrave)1 seat · turnout 42.6%
| N. Kershaw | Labour | 1,397 ✓ |
| M. Monks | Conservative | 1,348 |
| A. Sherlock | The Liberal Party | 705 |
No. 5 (St. Helens: North Eccleston & South Windle)1 seat · turnout 30.4%
| A. Rimmer | Conservative | 1,334 ✓ |
| T. Forshaw | Labour | 811 |
No. 7 (St. Helens: West Sutton)1 seat · turnout 23.0%
| R. Halsall | Labour | 1,560 |
| T. Gilligan | LIB | 1,397 |
Rainford1 seat
| A. Brown | Conservative | 2,462 |
| D. Richardson | Labour | 885 |
| J. Gray | LIB | 445 |