| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Eva KANE | 11 | Erith & Dist | 45.44 |
| 1 | 2 | Aziell ONG | 11 | Thanet Swim | 46.05 |
| 2 | 3 | Jessica CHURCHILL | 11 | White Oak | 44.93 |
| 3 | 4 | Sonia YANG | 11 | White Oak | 43.73 |
| 4 | 5 | Esme CAWTHORNE | 11 | Edenbridge | 42.94 |
| 5 | 6 | Jada YANKEY | 11 | Bromley | 43.23 |
| 6 | 7 | Martha RICKARD | 11 | Bromley | 43.44 |
| 7 | 8 | Isabelle HEALY | 11 | Gwich Royals | 43.68 |
| 8 | 9 | Autumn MCCAIRN | 10 | Folkestone | 45.01 |
| 9 | 10 | Sophie LAWN | 11 | Bromley | 44.90 |