| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Isabella JONES | 12 | RTW Monson | 1:32.54 |
| 2 | 2 | Kobisha MAHENDRAKUMAR | 12 | Bromley | 1:30.98 |
| 3 | 3 | Lowri WILLIAMS | 12 | Sevenoaks | 1:30.66 |
| 4 | 4 | Josephine LAWN | 12 | Bromley | 1:23.70 |
| 5 | 5 | Harriet GRIFFITHS | 12 | RTW Monson | 1:30.08 |
| 6 | 6 | Ruby HALL | 12 | White Oak | 1:30.92 |
| 7 | 7 | Amelia ASHTON | 12 | Sevenoaks | 1:32.29 |
| 8 | 8 | Emilia NARKEVIC | 12 | Maidstone SC | 1:32.85 |