| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lilie CHAMBERS | 18 | Sevenoaks | 1:00.58 |
| 2 | 2 | Tiegan CHILD | 20 | Bromley | 59.07 |
| 3 | 3 | Emma VAN SELM | 19 | Bromley | 58.86 |
| 4 | 4 | Evelyn DAVIS | 18 | Bromley | 56.31 |
| 5 | 5 | Katie LATHAM | 25 | Bromley | 57.89 |
| 6 | 6 | Caitlin EBBAGE | 17 | Tonbridge | 59.70 |
| 7 | 7 | Annabel SMITH | 19 | Bromley | 59.36 |
| 8 | 8 | Amelia CHILDS | 18 | Sevenoaks | 1:00.92 |