| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Isabella Helliwell | 15 | Basildon Ph | 1:20.97 |
| 2 | 2 | Jeslene Sandhu | 15 | Epping For't | 1:20.78 |
| 3 | 3 | Nina Allen | 15 | Newmarket | 1:18.59 |
| 4 | 4 | Jorja Atkinson | 15 | Co Cambridge | 1:16.41 |
| 5 | 5 | Daisy-Mai Doel | 15 | Basildon Ph | 1:18.23 |
| 6 | 6 | Ella Fanning | 15 | Flitwick | 1:20.64 |
| 7 | 7 | Eloise Minto | 15 | Chelmsford | 1:20.85 |
| 8 | 8 | Mollie Bird | 15 | Colchester | 1:21.29 |