| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Lily-Lisa Waigi | 12 | Killerwhales | 1:33.61 |
| 1 | 2 | Anna Semiginovska | 12 | Bo Southend | 1:32.31 |
| 2 | 3 | Phoebe Rayner | 12 | Colchester | 1:32.12 |
| 3 | 4 | Lara Kelly | 12 | New Hall | 1:30.29 |
| 4 | 5 | Cassie Bonner | 12 | Epping For't | 1:28.33 |
| 5 | 6 | Teddi-May Thurman | 12 | Colchester | 1:28.53 |
| 6 | 7 | Florence Bretman | 12 | DunmowAtlant | 1:30.94 |
| 7 | 8 | Daniele Ivaskaite | 12 | Bark & Dagen | 1:32.26 |
| 8 | 9 | Lacey Harrington | 12 | Killerwhales | 1:32.35 |
| 9 | 10 | Niamh Tuson | 12 | Epping For't | 1:34.23 |