| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Ruby WATERS | 18 | Beckenham | 1:09.77 |
| 2 | 2 | Maisie MACARTNEY | 17 | Thanet Swim | 1:08.56 |
| 3 | 3 | Lauren BRADDON | 17 | Maidstone | 1:06.59 |
| 4 | 4 | Daisy ANDERSON | 17 | Thanet Swim | 1:03.77 |
| 5 | 5 | Hannah DENNY | 19 | Thanet Swim | 1:03.97 |
| 6 | 6 | Amy FARTHING | 20 | Sevenoaks | 1:07.82 |
| 7 | 7 | Ellen SCHOLES | 21 | Bromley | 1:08.50 |
| 8 | 8 | Emily NORRIS | 18 | Bromley | 1:09.73 |