| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Katie Laybourn | 16 | Hartlepool | 29.05 |
| 1 | 2 | Caitlin Hubbard | 16 | Co Birm'ham | 28.97 |
| 2 | 3 | Alice Gouldby | 16 | Millfield | 28.27 |
| 3 | 4 | Emma Harvey | 16 | Millfield | 28.25 |
| 4 | 5 | Jasmine McCrea | 16 | Poole | 27.59 |
| 5 | 6 | Emily Large | 16 | Newcastle | 27.78 |
| 6 | 7 | Yasmin Perry | 16 | Aberdeen Per | 28.27 |
| 7 | 8 | Martyna Ruszkowska | 16 | Swim Gwynedd | 28.78 |
| 8 | 9 | Katie Robertson | 16 | Sth Ayrshire | 29.02 |
| 9 | 10 | Eve Goddard-Smith | 16 | Swim Gwynedd | 29.07 |