| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Poppy TAYLOR | 13 | Thanet Swim | 1:26.89 |
| 2 | 2 | Mia HUGHES | 13 | Bromley | 1:25.07 |
| 3 | 3 | Amalie SMITH | 13 | Tonbridge | 1:24.31 |
| 4 | 4 | Abigail SMILEY | 13 | RTW Monson | 1:20.76 |
| 5 | 5 | Imogen MYLES | 13 | Sevenoaks | 1:20.90 |
| 6 | 6 | Veronique CROZET | 13 | Gwich Royals | 1:24.53 |
| 7 | 7 | Cara NEAL | 13 | Sevenoaks | 1:25.52 |
| 8 | 8 | Jessica SHIU | 13 | Beckenham | 1:27.62 |