| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Ella RAMSAY | 13 | Maidstone SC | 1:18.97 |
| 1 | 2 | Sum Yau TSE | 13 | Tonbridge | 1:18.62 |
| 2 | 3 | Bella FLAVIN | 13 | Sevenoaks | 1:17.44 |
| 3 | 4 | Julia ELVIDGE | 13 | RTW Monson | 1:12.12 |
| 4 | 5 | Jessica LONG | 13 | Bromley | 1:10.40 |
| 5 | 6 | Brook MCGREGOR | 13 | Thanet Swim | 1:11.97 |
| 6 | 7 | Isabelle MAY | 13 | Maidstone SC | 1:16.96 |
| 7 | 8 | Katie MILLAR | 13 | Bromley | 1:17.92 |
| 8 | 9 | Paige MILLIGAN | 13 | Larkfield | 1:18.69 |
| 9 | 10 | Sophia STIRRUPS | 13 | Thanet Swim | 1:19.86 |