Before (end of 1999) (58 seats, Elections Centre)
Conservative 21 · Liberal Democrats 21 · Labour 16 · Other 0
After (end of 2000) (58 seats, Elections Centre)
Liberal Democrats 24 · Conservative 18 · Labour 15 · Other 1
Ward results
Batchwood1 seat · turnout 27.6%
| A. Rose | Labour | 834 ✓ |
| M. Brownlie | Conservative | 368 |
| C. Prowse | Liberal Democrats | 176 |
Clarence1 seat · turnout 35.2%
| J Wright | Liberal Democrats | 790 ✓ |
| D. Pratley | Labour | 478 |
| J. Vessey | Conservative | 403 |
Cunningham1 seat · turnout 39.3%
| Harrison G. | Liberal Democrats | 813 ✓ |
| A Gilson | Labour | 693 |
| D. Hall | Conservative | 383 |
Harpenden East1 seat
| B Peyton | Liberal Democrats | 974 ✓ |
| M. Clark | Conservative | 847 |
| D. Crew | Labour | 277 |
| P. Saunders | Nlp | 37 |
Harpenden North1 seat · turnout 30.8%
| J Chambers | Conservative | 901 ✓ |
| V. Goodyear | Liberal Democrats | 565 |
| R Botterill | Labour | 164 |
Harpenden South1 seat · turnout 31.4%
| M Treasure | Conservative | 1,092 ✓ |
| C Canfield | Liberal Democrats | 325 |
| Linda Ann Spiri | Labour | 239 |
Harpenden West1 seat
| J. Newman | Conservative | 1,155 ✓ |
| P Spinks | Liberal Democrats | 323 |
| R Ough | Labour | 244 |
London Colney1 seat
| Flynn S. | Labour | 816 ✓ |
| D Caroline | Conservative | 358 |
| R Prowse | Liberal Democrats | 208 |
Marshalswick North1 seat · turnout 37.1%
| J. Stroud | Liberal Democrats | 878 ✓ |
| J. Foster | Conservative | 706 |
| J Baughan | Labour | 281 |
Marshalswick South1 seat · turnout 40.3%
| M Bretherton | Conservative | 880 ✓ |
| J. Winder | Liberal Democrats | 858 |
| Janet Smith | Labour | 341 |
Park Street1 seat · turnout 32.0%
| M Jameson | Conservative | 749 ✓ |
| J Finley | Liberal Democrats | 651 |
| D Williamson | Labour | 323 |
Redbourn2 seats · turnout 38.3%
| A Swendell | Independent | 1,013 ✓ |
| C O’Donovan | Liberal Democrats | 824 ✓ |
| B. Chapman | Conservative | 796 |
| P Finigan | Conservative | 576 |
| Vivienne Windle | Labour | 201 |
| J. Paton | Labour | 141 |
Sopwell1 seat · turnout 23.9%
| S. Coyle | Labour | 763 ✓ |
| Brown G. | Conservative | 339 |
| P. Harris | Liberal Democrats | 162 |
St Peters3 seats · turnout 29.2%
| S. Bellamy | Labour | 1,062 ✓ |
| R Bellamy | Labour | 994 ✓ |
| M. King | Labour | 985 ✓ |
| H. Ives-Rose | Labour | 673 ✓ |
| J Parry | Conservative | 651 |
| D Gamble | Conservative | 646 |
| P. Parnall | Conservative | 637 |
| I Khan | Liberal Democrats | 578 |
| S. Sanders | Conservative | 299 |
| H. Guy | Liberal Democrats | 280 |
| P. Jones | Liberal Democrats | 277 |
St Stephen1 seat
| H. Ward | Conservative | 1,009 ✓ |
| K. Moghul | Liberal Democrats | 530 |
| P. Allen | Labour | 255 |
St. Stephen1 seat
| K. Moghul | Liberal Democrats | 530 |
| P. Allen | Labour | 255 |
Verulam1 seat · turnout 41.8%
| C. Ellis | Conservative | 1,034 ✓ |
| K. Morris | Liberal Democrats | 924 |
| J. Butchart | Labour | 231 |
Wheathampstead1 seat
| G. Clark | Conservative | 947 ✓ |
| P Edelston | Liberal Democrats | 736 |
| M Fletcher | Labour | 170 |