| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Chloe BERKO-BOATENG | 14 | Cheshunt | 1:09.74 |
| 2 | 2 | Ella HALE | 14 | West Suffolk | 1:09.44 |
| 3 | 3 | Angharad EVANS | 14 | West Suffolk | 1:09.07 |
| 4 | 4 | Sara KALAWSKA | 14 | Hatfield | 1:06.46 |
| 5 | 5 | Lily MERRETT | 14 | Hoddesdon | 1:07.52 |
| 6 | 6 | Rebecca HOWELL | 14 | Basildon Ph | 1:09.38 |
| 7 | 7 | Jessica WOODWARD | 14 | Potters Bar | 1:09.49 |
| 8 | 8 | Lucie PECK | 14 | West Norfolk | 1:10.86 |