Before (end of 2002) (58 seats, Elections Centre)
Liberal Democrats 22 · Conservative 20 · Labour 15 · Other 1
After (end of 2003) (58 seats, Elections Centre)
Liberal Democrats 23 · Conservative 21 · Labour 13 · Other 1
Ward results
Cunningham1 seat · turnout 45.9%
| Robert Donald | Liberal Democrats | 1,281 ✓ |
| Rebecca Gumbrell-McCormick | Labour | 416 |
| James Vessey | Conservative | 394 |
Harpenden North1 seat · turnout 41.3%
| Albert Pawle | Conservative | 1,046 ✓ |
| Rachel Andrew | Liberal Democrats | 785 |
| Ramsay Ross | Labour | 214 |
Harpenden South1 seat
| Paul Guy Foster | Conservative | 1,340 ✓ |
| Christopher Canfield | Liberal Democrats | 616 |
| David Lawlor | Labour | 216 |
Marshalswick North1 seat
| Geoffrey Churchard | Liberal Democrats | 1,003 ✓ |
| John Palmer Foster | Conservative | 782 |
| John Baughan | Labour | 282 |
Marshalswick South1 seat · turnout 52.6%
| Kathleen Morris | Liberal Democrats | 1,364 ✓ |
| Richard Bretherton | Conservative | 858 |
| Jane Cloke | Labour | 338 |
Sandridge1 seat
| Christopher Whiteside | Conservative | 769 ✓ |
| Peter Klyhn | Liberal Democrats | 465 |
| Joe Baker | Labour | 171 |