| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 1 | 1 | Basildon & Phoenix SC | Basildon Ph | 4:36.00 | |
| 2 | 3 | City of Cambridge SC | Co Cambridge | 4:35.00 | |
| 3 | 5 | West Suffolk Swimming | West Suffolk | 4:28.67 | |
| 4 | 7 | UEA City of Norwich SC | UEA Norwich | 4:06.00 | |
| 5 | 6 | City Of Peterborough A | Co Peterboro | 4:17.24 | |
| 6 | 4 | Hatfield A | Hatfield | 4:29.80 | |
| 7 | 2 | Bishops Stortford SC | Bishop Stort | 4:35.50 | |