| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Nadya Sterling | 15 | Co Birm'ham | 29.96 |
| 1 | 2 | Olivia Hunter | 15 | Teddington | 29.85 |
| 2 | 3 | Millie Gidman | 15 | Wirral Metro | 29.73 |
| 3 | 4 | Sophie De Groot | 15 | Plymouth Lea | 29.50 |
| 4 | 5 | Catherine Eland | 15 | Poole | 29.26 |
| 5 | 6 | Lucy Cannavan | 15 | Aquabears | 29.45 |
| 6 | 7 | Emily Mears-Bentley | 15 | Co Leicester | 29.52 |
| 7 | 8 | Ayanna Fulga | 15 | Co Oxford | 29.80 |
| 8 | 9 | Astrid Hannah | 15 | Millfield | 29.85 |
| 9 | 10 | Lola Oke | 15 | Ellesmere Co | 30.03 |