| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Frances Spink | 17 | Co Derby | 1:16.66 |
| 1 | 2 | Abbie Johnson | 17 | Bracknell | 1:16.27 |
| 2 | 3 | Eleanor Sykes | 16 | Shrewsbury | 1:15.71 |
| 3 | 4 | Charly Neilson | 16 | Nova Cent'n | 1:15.36 |
| 4 | 5 | Danielle Tomlinson | 17 | Leic Peng | 1:12.70 |
| 5 | 6 | Sophie Waller | 17 | Thanet Swim | 1:15.31 |
| 6 | 7 | Kitty Snaydon | 16 | Millfield | 1:15.57 |
| 7 | 8 | Rebecca Sheppard | 17 | Plymouth Lea | 1:16.06 |
| 8 | 9 | Abi Rawlings | 16 | Mt Kelly | 1:16.63 |
| 9 | 10 | Cira Fletcher | 17 | Bishop Stort | 1:17.21 |