| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Kara Redford | 14 | Larkfield | 1:07.93 |
| 1 | 2 | Evelyn Hallissey | 14 | Newcastle | 1:07.86 |
| 2 | 3 | Elizabeth Land | 14 | Newcastle | 1:07.81 |
| 3 | 4 | Katherine Williams | 14 | Wycombe Dist | 1:06.61 |
| 4 | 5 | Grace Macdonald | 14 | Grantham | 1:05.45 |
| 5 | 6 | Isabelle Price | 14 | Co Birm'ham | 1:06.00 |
| 6 | 7 | Efa Dwyfor-Clark | 14 | Swim Gwynedd | 1:07.26 |
| 7 | 8 | Darcey Smith | 13 | Portsmouth N | 1:07.83 |
| 8 | 9 | Grace Nichols | 13 | Pembs Cty | 1:07.88 |
| 9 | 10 | Scarlett Sheppard | 13 | Guildford Ct | 1:08.34 |