| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 1 | Katie Latham | 97 | Thanet Swim | 29.42 |
| 2 | 3 | Ekaterina Avramova | 91 | Ealing | 29.10 |
| 3 | 5 | Kathleen Dawson | 97 | Warrington W | 28.47 |
| 4 | 7 | Georgia Davies | 90 | Loughboro Un | 27.56 |
| 5 | 6 | Lauren Quigley | 95 | Stockport Mo | 27.69 |
| 6 | 4 | Jessica Fullalove | 96 | Co Manch Aq | 28.66 |
| 7 | 2 | Karen Reid | 98 | Sth Ayrshire | 29.42 |