Before (end of 1989)
Not known.
After (end of 1990)
Not known.
Ward results
Hatfield Central1 seat · turnout 50.5%
| P. Turner | Labour | 1,383 |
| B. Kachiwala | Conservative | 466 |
| C. Woolcott | SLD | 302 |
Howlands1 seat · turnout 57.3%
| S. Atkinson | Labour | 1,527 ✓ |
| K Jones | Conservative | 646 |
| J. Blackburn | SLD | 217 |
| N. Rankin | Green | 123 |
Welham Green & Redhall1 seat · turnout 59.4%
| A. Tinsley | Labour | 1,452 ✓ |
| J. Mansfield | Conservative | 1,008 |
| M. Goodall | Anti PT | 388 |
| M. Richardson | SLD | 322 |
Welwyn North1 seat · turnout 54.3%
| C. Munson | Conservative | 1,406 ✓ |
| J. Briant | Labour | 442 |
| I. Skidmore | SLD | 195 |
| R. Cuminetti | Green | 146 |