| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Silvia MURESAN | 14 | Gwich Royals | 1:22.10 |
| 1 | 2 | Jessica SHIU | 14 | Beckenham | 1:20.81 |
| 2 | 3 | Mia HUGHES | 14 | Bromley | 1:20.74 |
| 3 | 4 | Abigail SMILEY | 14 | RTW Monson | 1:18.00 |
| 4 | 5 | Imogen MYLES | 14 | Sevenoaks | 1:13.40 |
| 5 | 6 | Amalie SMITH | 14 | Tonbridge | 1:17.79 |
| 6 | 7 | Veronique CROZET | 14 | Gwich Royals | 1:20.69 |
| 7 | 8 | Cara NEAL | 14 | Sevenoaks | 1:20.75 |
| 8 | 9 | Poppy TAYLOR | 14 | Thanet Swim | 1:22.05 |
| 9 | 10 | Holly BEARDSMORE | 14 | Black Lion | 1:23.68 |