| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 2 | Patricia Jackson | 67 | East Anglian | 1:40.00 |
| 3 | 4 | June Falconer | 50 | Silver City | 1:16.75 |
| 4 | 6 | Philippa Rickard | 43 | East Leeds S | 1:10.55 |
| 5 | 5 | Judith Hattle | 54 | Carlisle Aqu | 1:10.97 |
| 6 | 3 | Rachael Gorman | 23 | Trafford Met | 1:17.36 |
| 7 | 1 | Helen Minshall | 51 | Atherton and | 1:42.15 |