| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Jessica Stevens | 11 | Thurrock | 1:28.19 |
| 1 | 2 | Nancy Ford | 11 | Killerwhales | 1:26.94 |
| 2 | 3 | Isabella Ivanova | 11 | Bo Newham | 1:26.38 |
| 3 | 4 | Sarah Maftei | 11 | Romford Town | 1:24.42 |
| 4 | 5 | Sofia Gaiu Lekaj | 11 | Bo Waltham F | 1:22.23 |
| 5 | 6 | Blossom Smith | 11 | Basildon Ph | 1:24.00 |
| 6 | 7 | Angelica Mishra | 11 | Romford Town | 1:25.91 |
| 7 | 8 | Kayla Cicek | 11 | Epping For't | 1:26.60 |
| 8 | 9 | Ava Kan | 11 | Chelmsford | 1:28.11 |
| 9 | 10 | Grace Carden-Jones | 11 | Stanway | 1:28.41 |