Before (end of 2001) (48 seats, Elections Centre)
Labour 25 · Conservative 23 · Other 0 · Liberal Democrats 0
After (end of 2002) (48 seats, Elections Centre)
Conservative 26 · Labour 22 · Liberal Democrats 0 · Other 0
Ward results
| Julian Dean | Conservative | 1,289 ✓ |
| Catherine Gerran Edwards | Liberal Democrats | 217 |
| Dan Marcus | Labour | 192 |
Haldens1 seat
| P Orrett | Labour | 760 |
| Stanley Jackson | Conservative | 407 |
| Helen Bassett | Liberal Democrats | 225 |
Handside1 seat
| Carl Storer | Conservative | 888 ✓ |
| David Cooke | Liberal Democrats | 866 |
| Pascal Jacquemain | Labour | 383 |
Hatfield Central1 seat
| Colin George Croft | Labour | 558 ✓ |
| Hazel Marion Laming | Liberal Democrats | 470 |
| Andrew Peffer | Conservative | 283 |
Hatfield East1 seat
| Peter O'Brien | Conservative | 969 ✓ |
| Margaret White | Labour | 423 |
| Lis Meyland-Smith | Liberal Democrats | 276 |
Hatfield North2 seats
| Rebecca Davidson | Conservative | 617 ✓ |
| Bridgit Croft | Labour | 609 ✓ |
| John Keith Morgan | Conservative | 606 |
| Linda Elizabeth Mendez | Labour | 600 |
| Richard Michael Griffiths | Liberal Democrats | 214 |
| Michael Granville Rich | Liberal Democrats | 206 |
Hatfield West1 seat
| Neil Atkin | Conservative | 838 ✓ |
| Samuel Smith | Labour | 625 |
| Simon John Archer | Liberal Democrats | 195 |
Hollybush1 seat
| Margaret Birleson | Labour | 780 ✓ |
| Marian Pile | Conservative | 356 |
| Janet Gammage | Liberal Democrats | 160 |
Howlands1 seat
| Alan Chesterman | Labour | 780 ✓ |
| John Burnapp | Conservative | 468 |
| Jonathan Arch | Liberal Democrats | 214 |
Northaw1 seat
| John Nicholls | Conservative | 1,196 ✓ |
| Philip Gwynfryn Edwards | Liberal Democrats | 162 |
| Brenda Marcus | Labour | 145 |
Panshanger1 seat
| Russell Le Page | Conservative | 837 ✓ |
| June Lilian Harrison | Labour | 486 |
| Ted Naseby | Liberal Democrats | 321 |
Peartree1 seat
| Jacqueline Russell | Labour | 637 ✓ |
| Jacqui Russell | Labour | 627 ✓ |
| David Perkins | Conservative | 242 |
| Gillian Armstrong-Bridges | Liberal Democrats | 198 |
Sherrards1 seat
| John Scarff | Conservative | 1,074 ✓ |
| Lynn Chesterman | Labour | 967 |
| Louise Lotz | Liberal Democrats | 242 |
Welham Green1 seat
| Patricia Storey | Conservative | 622 ✓ |
| Margaret Toch | Labour | 225 |
| Nigel Anthony van Someren Bain | Liberal Democrats | 136 |
Welwyn North1 seat
| Margaret Scarff | Conservative | 719 ✓ |
| Jan Burnell | Labour | 216 |
| David Charles Bartlett | Liberal Democrats | 198 |
Welwyn South1 seat
| Amanda Perkins | Conservative | 1,002 ✓ |
| Julia Henderson | Labour | 441 |
| Ian Skidmore | Liberal Democrats | 206 |