Before (end of 1975)
Not known.
After (end of 1976)
Not known.
Ward results
Hatfield Central3 seats · turnout 45.5%
| F. Clark | Labour | 1,341 |
| T. Welham | Labour | 1,289 |
| P. Turner | Labour | 1,257 |
| K. Pearce | Conservative | 997 |
| H. Goodliffe | Conservative | 982 |
| A. Chatwell | Conservative | 958 |
Welham Green & Redhall3 seats · turnout 45.3%
| Patricia Storey | Conservative | 1,187 |
| K. Simmons | Labour | 1,161 |
| D. Dunk | Labour | 1,140 |
| H. Toch | Labour | 1,108 |
| D. Jenner | Conservative | 1,071 |
| P. Youd | Conservative | 1,018 |
Welwyn North2 seats · turnout 49.4%
| D. Carpenter | Conservative | 1,417 |
| J. Petty | Conservative | 1,377 |
| D. Parker | Labour | 499 |