| Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 1 | Eliza Humphrey | 18 | S11 | Northampton | 1:28.76 |
| 1 | 2 | Ela Letton-Jones | 17 | S12 | Swim Gwynedd | 1:21.76 |
| 2 | 3 | Meghan Willis | 16 | S10 | Torfaen D | 1:18.15 |
| 3 | 4 | Amber Haycock | 16 | S10 | Northampton | 1:16.07 |
| 4 | 5 | Megan Neave | 20 | S14 | Repton | 1:10.85 |
| 5 | 6 | Abby Kane | 20 | S13 | UniOfStirl | 1:12.31 |
| 6 | 7 | Astrid Carroll | 14 | S12 | Bo Kirklees | 1:16.98 |
| 7 | 8 | Stephanie Booth | 20 | S10 | Bo Kirklees | 1:21.07 |
| 8 | 9 | Lily Rice | 19 | S8 | Pembs Cty | 1:22.31 |
| 9 | 10 | Maisie Catt | 14 | S7 | RichmondDale | 1:37.17 |