| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Sophie Siong | 20 | Co Norwich | 58.92 |
| 2 | 2 | Alexandra Nurney | 15 | Hatfield | 58.64 |
| 3 | 3 | Jasmine Hall | 15 | Basildon Ph | 58.20 |
| 4 | 4 | Grace Greenhalf | 18 | Co Norwich | 56.55 |
| 5 | 5 | Isobel Mather | 18 | Co Cambridge | 57.57 |
| 6 | 6 | Katerina Di Maria | 17 | Co Norwich | 58.52 |
| 7 | 7 | Erin Barber | 15 | Norwich Swan | 58.64 |
| 8 | 8 | Rebecca Coogan | 17 | Thurrock | 58.95 |