Before (end of 1977)
Not known.
After (end of 1978)
Not known.
Ward results
Hatfield Central1 seat · turnout 54.5%
| P. Turner | Labour | 1,586 |
| J. Metcalfe | Conservative | 1,085 |
Hatfield South1 seat · turnout 55.0%
| I. Baker | Labour | 1,430 |
| P. Youd | Conservative | 1,231 |
| J. Munro | LIB | 219 |
Howlands1 seat · turnout 60.7%
| S. Atkinson | Labour | 1,725 |
| S. Jackson | Conservative | 1,096 |
| M. Cowan | LIB | 184 |
Welham Green & Redhall1 seat · turnout 57.9%
| J. Westwood | Labour | 1,643 |
| B. Storey | Conservative | 1,346 |
Welwyn North1 seat · turnout 49.5%
| J. Petty | Conservative | 1,356 |
| B. Emmerson | Labour | 426 |