| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Chun Shing YUEN | 16 | Ashford Sch | 57.81 |
| 2 | 2 | Noah OLADELE-AJOSE | 16 | Bromley | 56.83 |
| 3 | 3 | Samuel RYAN | 16 | Orpington OJ | 56.67 |
| 4 | 4 | Samuel LANDER | 16 | Bromley | 55.41 |
| 5 | 5 | Liam HAMP | 16 | Thanet Swim | 55.97 |
| 6 | 6 | Oscar BEHRENS | 16 | Maidstone SC | 56.83 |
| 7 | 7 | Bryan DINEV | 16 | Bexley | 57.20 |
| 8 | 8 | Kieran ELVY | 16 | Sevenoaks | 58.14 |