| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Maisie MACARTNEY | 17 | Thanet Swim | 1:10.65 |
| 2 | 2 | Ruby VERGE | 18 | Erith & Dist | 1:10.45 |
| 3 | 3 | Lauren BRADDON | 17 | Maidstone | 1:08.40 |
| 4 | 4 | Daisy ANDERSON | 17 | Thanet Swim | 1:05.87 |
| 5 | 5 | Katie LATHAM | 21 | Thanet Swim | 1:08.54 |
| 6 | 6 | Callie-Ann WARRINGTON | 18 | Maidstone | 1:10.56 |
| 7 | 7 | Imogen HAWKINS | 18 | Edenbridge | 1:10.02 |
| 8 | 8 | Amy FARTHING | 20 | Sevenoaks | 1:10.50 |