Before (end of 1974) (45 seats, Elections Centre)
Labour 36 · Conservative 9 · Other 0 · The Liberal Party 0
After (end of 1975) (45 seats, Elections Centre)
Labour 30 · Conservative 14 · The Liberal Party 1 · Other 0
Ward results
Billinge & Seneley Green1 seat
| B. Lowe | Conservative | 1,616 |
| Daley | Labour | 1,262 |
No. 10 (Newton-Le-Willows: Newton & Wargrave)1 seat · turnout 34.5%
| A. Roberts | Labour | 1,307 ✓ |
| M. Monks | Conservative | 1,009 |
| Holmes | The Liberal Party | 498 |
No. 5 (St. Helens: North Eccleston & South Windle)1 seat · turnout 23.6%
| E. Clough | Conservative | 1,035 ✓ |
| J. Gill | Labour | 735 |
No. 7 (St. Helens: West Sutton)1 seat · turnout 18.8%
| McNamara | Labour | 1,292 |
| T. Gilligan | LIB | 1,122 |
Rainford1 seat
| J. Dyson | Conservative | 2,209 |
| J. Collins | Labour | 1,313 |
| J. Gray | LIB | 413 |