Before (end of 2003) (48 seats, Elections Centre)
Liberal Democrats 27 · Conservative 14 · Labour 7 · Other 0
After (end of 2004) (48 seats, Elections Centre)
Liberal Democrats 29 · Conservative 12 · Labour 7 · Other 0
Ward results
Abbots Langley1 seat
| David Major | Liberal Democrats | 876 ✓ |
| Ronald Leveridge | Conservative | 389 |
| Jeannie Metha | Labour | 190 |
Ashridge1 seat
| D Lake | Labour | 253 ✓ |
| Lynda Lewis | Conservative | 214 |
| L McDermott | Liberal Democrats | 173 |
Carpenders Park1 seat
| Geoff Dunne | Liberal Democrats | 1,154 ✓ |
| Nigel Stewart | Conservative | 652 |
| Doreen Johnstone | Labour | 141 |
Chorleywood East1 seat
| Christopher Michael Hayward | Conservative | 1,058 ✓ |
| Rodney Kipps | Liberal Democrats | 366 |
Chorleywood West1 seat
| Harry Davies | Liberal Democrats | 1,197 ✓ |
| Mark Weedon | Conservative | 1,082 |
| Fiona Goble | Labour | 142 |
Croxley Green1 seat
| Brian Norman | Liberal Democrats | 995 ✓ |
| Colette Hanson | Conservative | 625 |
| David Wynne-Jones | Labour | 206 |
Hayling1 seat
| Kathryn Cross | Labour | 395 ✓ |
| David Benatar | Conservative | 158 |
| Gabriel Aitman | Liberal Democrats | 134 |
Langleybury1 seat
| Chris Whately-Smith | Liberal Democrats | 804 ✓ |
| Walter Tuck | Conservative | 288 |
| John Sutton | Labour | 194 |
Maple Cross & Mill End1 seat
| Peter Wakeling | Liberal Democrats | 898 ✓ |
| John Hayden | Conservative | 489 |
Moor Park & Eastbury1 seat
| Amrit Mediratta | Conservative | 1,297 ✓ |
| A. Vayani | Liberal Democrats | 441 |
Northwick1 seat
| Leonard Tippen | Labour | 341 ✓ |
| Graham Denman | Conservative | 236 |
| David Lowes | Liberal Democrats | 208 |
Oxhey Hall1 seat
| Andrew Scarth | Liberal Democrats | 462 ✓ |
| Teresa Paddington | Conservative | 430 |
| Sheila Bull | Labour | 106 |
Penn2 seats
| Sarah Nelmes | Liberal Democrats | 492 ✓ |
| Gladstone Providence | Liberal Democrats | 491 ✓ |
| John Henry Marsh | Conservative | 352 |
| Clifford le Quelenec | Conservative | 327 |
| David Warburton | Labour | 112 |
| Stephen Cox | Labour | 107 |
Rickmansworth1 seat
| David Sansom | Conservative | 812 ✓ |
| Jeremy Edmund Campion Asquith | Liberal Democrats | 339 |
| Graham Dale | Labour | 155 |
Rickmansworth West1 seat
| Rebecca Smith | Conservative | 845 ✓ |
| Louise Mead | Liberal Democrats | 502 |
| Joanne Victoria Cox | Labour | 63 |
| Results | — | 0 |