| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Jessica Rothon | 17 | Hornchurch | 1:32.85 |
| 1 | 2 | Heloise Frost | 17 | DunmowAtlant | 1:29.78 |
| 2 | 3 | Holly Underdown | 17 | Braintree | 1:28.46 |
| 3 | 4 | I Stratton-Thomsett | 17 | Chelmsford | 1:26.47 |
| 4 | 5 | Margarita Stoimenova | 17 | Bo Newham | 1:16.39 |
| 5 | 6 | Emily Turner | 17 | Harwich DP | 1:16.98 |
| 6 | 7 | Molly Reed | 17 | Bo Waltham F | 1:28.09 |
| 7 | 8 | Thea Rule | 17 | DunmowAtlant | 1:28.76 |
| 8 | 9 | Niamh Chambers | 17 | DunmowAtlant | 1:30.28 |
| 9 | 10 | Kayla West | 17 | Bo Newham | 1:33.10 |