| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | L SPALLEK-PUTTACHAROEN | 12 | Maidstone SC | 1:31.56 |
| 1 | 2 | Ayla DALEY-ALLISON | 12 | Beckenham | 1:31.06 |
| 2 | 3 | Sonia YANG | 12 | White Oak | 1:30.45 |
| 3 | 4 | Isabelle HEALY | 12 | Gwich Royals | 1:27.03 |
| 4 | 5 | Eva KANE | 12 | Erith & Dist | 1:25.96 |
| 5 | 6 | Martha RICKARD | 12 | Bromley | 1:26.31 |
| 6 | 7 | Amelie FAIRHURST | 12 | White Oak | 1:29.83 |
| 7 | 8 | Ruth ALLEN | 12 | Saxon Crown | 1:30.54 |
| 8 | 9 | Esme CAWTHORNE | 12 | Edenbridge | 1:31.51 |
| 9 | 10 | Jada YANKEY | 12 | Bromley | 1:31.88 |