Before (end of 1972)
Not known.
After (end of 1973)
Not known.
Ward results
Howlands3 seats · turnout 26.5%
| J. McKnight | Labour | 1,428 |
| J. Lonergan | Labour | 1,360 |
| R. Mays | Labour | 1,265 |
| R. Waters | Conservative | 413 |
Welham Green & Redhall3 seats · turnout 39.7%
| K. Simmons | Labour | 1,285 |
| D. Dunk | Labour | 1,236 |
| H. Tach | Labour | 1,233 |
| Patricia Storey | Conservative | 844 |
| E. Dumpleton | Conservative | 751 |
| W. Beattie | Conservative | 740 |
Welwyn North2 seats · turnout 38.1%
| M. Sanders | Conservative | 935 |
| J. Petty | Conservative | 917 |
| F. Daglish | Labour | 306 |
| P. Mynott | Labour | 286 |