| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Gabriella ETUK | 13 | Saxon Crown | 1:17.04 |
| 1 | 2 | Georgia NORLEY | 13 | Maidstone SC | 1:15.48 |
| 2 | 3 | L SPALLEK-PUTTACHAROEN | 13 | Maidstone SC | 1:12.88 |
| 3 | 4 | Tyla-Jade THOMAS | 13 | MwayMaritime | 1:12.05 |
| 4 | 5 | Elsie SAFFER | 13 | RTW Monson | 1:11.10 |
| 5 | 6 | Alice BROOKS | 13 | Bromley | 1:11.14 |
| 6 | 7 | Isabelle HEALY | 13 | Gwich Royals | 1:12.55 |
| 7 | 8 | Elise BUTLER | 13 | Maidstone SC | 1:13.01 |
| 8 | 9 | Ellie GIBBS | 13 | Orpington OJ | 1:16.10 |
| 9 | 10 | Martha RICKARD | 13 | Bromley | 1:17.17 |