| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Ellie LEWIS | 15 | Orpington OJ | 1:13.25 |
| 1 | 2 | Olexa MILES | 15 | Thanet Swim | 1:12.66 |
| 2 | 3 | I NIGHTINGALE-ELLIS | 15 | RTW Monson | 1:11.86 |
| 3 | 4 | Caitlyn SEMPLE | 15 | Sevenoaks | 1:09.87 |
| 4 | 5 | Emilia OLIVER | 15 | RTW Monson | 1:07.95 |
| 5 | 6 | Lilia FORNASIER | 15 | RTW Monson | 1:09.86 |
| 6 | 7 | Chenai CHAZA | 15 | Maidstone SC | 1:11.56 |
| 7 | 8 | Ivy HAGGERTY | 15 | Thanet Swim | 1:12.35 |
| 8 | 9 | Jemima TOPPING | 15 | Thanet Swim | 1:13.11 |
| 9 | 10 | Olivia MACONACHIE | 15 | Beckenham | 1:13.26 |