| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 2 | Seren Leconte | 04 | S9 | RCT Squad | 1:43.72 |
| 1 | 4 | Fern Ioannou | 03 | S14 | Wycombe Dist | 1:38.18 |
| 2 | 6 | Harriet Dickinson | 97 | S10 | Gloucester | 1:31.60 |
| 3 | 8 | Eleanor Bamber | 96 | S10 | Man & NW Dis | 1:24.11 |
| 4 | 10 | Aliya Bacakoglu | 04 | S10 | Bo Kirklees | 1:23.52 |
| 5 | 9 | Megan Neave | 03 | S14 | Co Derby | 1:23.67 |
| 6 | 7 | Cerys Jones | 01 | S14 | Gr Britain | 1:25.87 |
| 7 | 5 | Charli Vines | 98 | S14 | Harrogate | 1:34.96 |
| 8 | 3 | Abigail Daly | 05 | S14 | Devonport | 1:40.47 |
| 9 | 1 | Anna Binns | 88 | S12 | Orion | 1:54.46 |