| Final | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 1 | Fern Sneddon | 06 | S6 | RTW Monson | 40.77 |
| 1 | 2 | Ella Cooper-Holmes | 00 | S7 | Cockermouth | 39.90 |
| 2 | 3 | Leah O'Connell | 02 | S7 | Camden Swiss | 39.22 |
| 3 | 4 | Charlotte Hyde | 02 | S7 | Camden Swiss | 39.12 |
| 4 | 5 | Catriona Chung | 96 | S8 | Leic Peng | 38.05 |
| 5 | 6 | Olivia Pickering | 00 | S8 | Gloucester | 37.83 |
| 6 | 7 | Porsha Jones | 02 | S10 | Shrewsbury | 35.71 |
| 7 | 8 | Harriet Dickinson | 97 | S10 | Gloucester | 33.43 |
| 8 | 9 | Abbie Hampshire | 00 | S10 | Skipton | 31.86 |