Before (end of 1989)
Not known.
After (end of 1990)
Not known.
Ward results
Ashley1 seat · turnout 55.0%
| T. Allison | SLD | 1,119 ✓ |
| C. Hayward | Labour | 911 |
| P. Barnes | Conservative | 564 |
| E. Benjamin | Green | 162 |
Batchwood1 seat · turnout 55.2%
| D. McManus | Labour | 1,423 ✓ |
| J. Christie | Conservative | 561 |
| R. Biddle | SLD | 375 |
| S. Adamson | Green | 251 |
Clarence1 seat · turnout 61.4%
| S. Burton | SLD | 1,318 ✓ |
| T. Boyle | Conservative | 597 |
| A. Conway | Labour | 475 |
| A. Tindale | Green | 175 |
Colney Heath1 seat · turnout 56.3%
| J. Henchley | SLD | 649 ✓ |
| J. Jeffrey | Conservative | 457 |
| C. Nash | Labour | 394 |
| V. Lock | Green | 74 |
Cunningham1 seat · turnout 58.4%
| C. Gunner | SLD | 1,167 ✓ |
| C. Donovan | Labour | 931 |
| M. Wragg | Conservative | 706 |
| E. Brown | Green | 117 |
Harpenden East1 seat · turnout 61.0%
| P. Burrows | SLD | 1,205 ✓ |
| R. White | Conservative | 1,134 |
| D. Crew | Labour | 457 |
| J. Bishop | Green | 254 |
Harpenden North1 seat · turnout 49.0%
| K. Haywood | Conservative | 1,386 ✓ |
| H. Adams | SLD | 652 |
| B. Saffery | Labour | 624 |
| J. Baker | Green | 211 |
Harpenden South1 seat · turnout 52.2%
| K. McCaw | Conservative | 1,460 ✓ |
| A. Steer | SLD | 472 |
| K. Holmes | Labour | 456 |
| A. Pearce | Green | 273 |
Harpenden West1 seat · turnout 52.3%
| J. Roberts | Conservative | 1,407 ✓ |
| C. Canfield | SLD | 515 |
| J. O'Brien | Labour | 375 |
| F. McKenzie | Green | 291 |
London Colney1 seat · turnout 47.4%
| R. Ransted | Labour | 1,585 ✓ |
| B. Cozens | Conservative | 613 |
| R. Gunner | SLD | 243 |
| J. Stone | Green | 158 |
Marshalswick North1 seat · turnout 55.4%
| G. Churchard | SLD | 1,203 ✓ |
| P. Johnston | Conservative | 967 |
| A. Rose | Labour | 397 |
| Harrison A-M. | Green | 154 |
Marshalswick South1 seat · turnout 62.1%
| A. Rowlands | SLD | 1,410 ✓ |
| J. Smith | Conservative | 1,139 |
| D. Allan | Labour | 511 |
| J. Harrington | Green | 141 |
Park Street1 seat · turnout 50.3%
| E. Hendry | SLD | 744 ✓ |
| D. Minter | Conservative | 730 |
| L. Adams | Labour | 468 |
| S. Hart | Green | 244 |
Redbourn1 seat · turnout 50.3%
| D. Robinson | Conservative | 1,054 |
| P Murphy | Labour | 641 |
| D. Cockcroft | Green | 504 |
Sopwell1 seat · turnout 54.2%
| K. Pollard | Labour | 1,770 ✓ |
| G. Brown | Conservative | 387 |
| P. Halpin | SLD | 334 |
| C. Hart | Green | 225 |
St. Stephens1 seat · turnout 62.0%
| A. Neasel | Independent | 1,387 ✓ |
| M. Heap | Conservative | 987 |
| J. Evans | SLD | 584 |
| N. Williamson | Labour | 435 |
| H. Clemow | Green | 105 |
Verulam1 seat · turnout 57.9%
| R. Moss | Conservative | 1,286 ✓ |
| A. Gunner | SLD | 742 |
| J. Bellchambers | Labour | 567 |
| W. Berrington | Green | 317 |
Wheathampstead1 seat · turnout 58.9%
| S. Whittaker | SLD | 1,327 ✓ |
| R. Ansell | Conservative | 1,037 |
| K. Spooner | Labour | 315 |
| F. Ellis | Green | 119 |