The following is a statement of the results for the division of Pentwyn.
| Name of candidate | Description (if any) | Votes | Percentage | Status |
|---|---|---|---|---|
| BRADBURY Peter Evan |
Labour Party Candidate / Ymgeisydd Plaid Llafur | 892 | 7.2% | |
| CARTER Joseph William |
Liberal Democrat Focus Team / Tîm Ffocws y Democratiaid Rhyddfrydol | 1786 | 14.4% | Elected |
| CHAUNDY Paul Antony |
Liberal Democrat Focus Team / Tîm Ffocws y Democratiaid Rhyddfrydol | 1808 | 14.6% | Elected |
| DAVIES Mark John |
Labour Party Candidate / Ymgeisydd Plaid Llafur | 893 | 7.2% | |
| HUNT Anthony John |
Labour Party Candidate / Ymgeisydd Plaid Llafur | 860 | 6.9% | |
| HYDE Keith Charles |
Liberal Democrat Focus Team / Tîm Ffocws y Democratiaid Rhyddfrydol | 1778 | 14.3% | Elected |
| JOHN Huw Stradling |
Welsh Conservatives / Ceidwadwyr Cymreig | 560 | 4.5% | |
| JONES-PRITCHARD Gareth Rhys |
Welsh Conservatives / Ceidwadwyr Cymreig | 504 | 4.1% | |
| MARSDEN Philip Robert |
Welsh Conservatives / Ceidwadwyr Cymreig | 530 | 4.3% | |
| MORGAN Nigel Llewelyn Trevor |
Welsh Conservatives / Ceidwadwyr Cymreig | 576 | 4.6% | |
| WILLIAMS Steve |
Socialist Alternative - Save Our Schools / Sosialwyr Eraill - Achub Ein Hysgolion | 376 | 3.0% | |
| WOODMAN Judith Barbara |
Liberal Democrat Focus Team / Tîm Ffocws y Democratiaid Rhyddfrydol | 1851 | 14.9% | Elected |
| Electors: | 10238 |
|---|---|
| Ballot Papers: | 3534 |
| Turnout: | 34.5% |
| Spoilt Papers: | 13 |

