| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Charlotte Furniss | 10 | Newport | 47.55 |
| 2 | 2 | Rose Bayle | 11 | Wrekin SC | 46.28 |
| 3 | 3 | Beatrice Rumford-Warr | 11 | Wrekin SC | 43.66 |
| 4 | 4 | Scarlett Plimmer | 10 | Wellington M | 39.44 |
| 5 | 5 | Martyna Danielewicz | 11 | Wellington M | 39.61 |
| 6 | 6 | Demi Vincent | 11 | Newport | 45.27 |
| 7 | 7 | Amelia Morris | 10 | TelfordAqua | 47.01 |
| 8 | 8 | Phoebe Ellis | 11 | Wrekin SC | 47.91 |