| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Evelyn FORNASIER | 11 | Sevenoaks | 1:27.63 |
| 2 | 2 | Jessica LONG | 11 | Bexley | 1:25.28 |
| 3 | 3 | Julia ELVIDGE | 11 | Sevenoaks | 1:28.68 |
| 4 | 4 | Bella FLAVIN | 11 | Sevenoaks | 1:21.34 |
| 5 | 5 | Olivia QUILLER | 11 | Maidstone SC | 1:20.76 |
| 6 | 6 | Sophia CALOUDIS | 11 | Thanet Swim | 1:25.31 |
| 7 | 7 | Maya CROMPTON | 11 | Thanet Swim | 1:26.04 |
| 8 | 8 | Chloe SHIU | 11 | Beckenham | 1:27.25 |