| Final | |||||
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 1 | Holly Hibbott | 99 | Southport | 4:31.45 |
| 1 | 2 | Philippa Shuttleworth | 97 | Hatfield | 4:29.94 |
| 2 | 3 | Dervla Curran | 97 | KingstonHull | 4:28.12 |
| 3 | 4 | Rebecca Murray | 97 | F.I.R.S.T. | 4:26.86 |
| 4 | 5 | Ellena Jones | 97 | Swim Swansea | 4:25.09 |
| 5 | 6 | Alice Dearing | 97 | Royal Wolv | 4:25.61 |
| 6 | 7 | Brearnna Close | 97 | Co Manch Aq | 4:26.88 |
| 7 | 8 | Georgia Darwent | 98 | Co Newcastle | 4:28.22 |
| 8 | 9 | Georgia Coates | 99 | Co Leeds | 4:30.67 |
| 9 | 10 | Sophie Evans | 99 | Bridgend Cty | 4:34.39 |