| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | C Prince-Rayner | 14 | Winchester | 4:39.36 |
| 1 | 2 | Madeleine Hoare | 14 | Co Coventry | 4:38.94 |
| 2 | 3 | Megan Molloy | 14 | Enfield Sq | 4:38.19 |
| 3 | 4 | Olivia Miles | 14 | Thanet Swim | 4:37.54 |
| 4 | 5 | Amelia Rodd | 14 | Redditch | 4:34.89 |
| 5 | 6 | Annie Pearson | 14 | Nova Cent'n | 4:36.91 |
| 6 | 7 | Ella Thatcher-Plant | 14 | Wrekin Coll | 4:37.79 |
| 7 | 8 | Megan Vingoe | 14 | Carn Brea | 4:38.36 |
| 8 | 9 | Laura Cook | 14 | Newcastle | 4:38.97 |
| 9 | 10 | Chloe Stennett | 14 | Derventio | 4:39.38 |