| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 2 | Katie Crowhurst | 12 | S13 | Wycombe Dist | 1:39.33 |
| 2 | 4 | Harriet Dickinson | 19 | S10 | Clevedon | 1:29.20 |
| 3 | 6 | Coral Farrell | 15 | S10 | Warrington W | 1:24.60 |
| 4 | 8 | Eleanor Bamber | 20 | S10 | Satellite | 1:22.25 |
| 5 | 7 | Ffion Butler | 18 | S9 | Shrewsbury | 1:23.12 |
| 6 | 5 | Hayley Milne | 17 | S8 | Grantham | 1:27.80 |
| 7 | 3 | Adele Maguire | 15 | S8 | Warrington W | 1:32.13 |
| 8 | 1 | Anya Falkus | 14 | S13 | Wisbech | 1:46.33 |