EVENT 715 Womens Open 400m Freestyle Team - Heats
Not Competing : 5
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 3 | 1 | Hemel Hempstead B | | Hemel Hemp | 4:18.59 |
| 4 | 3 | Hatfield B | | Hatfield | 4:12.00 |
| 5 | 2 | Cheshunt Swimming Club | | Cheshunt | 4:15.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 1 | 4 | Harpenden SC | | Harpenden | 4:10.77 |
| 2 | 7 | Hemel Hempstead A | | Hemel Hemp | 4:04.20 |
| 3 | 9 | UEA City of Norwich SC | | UEA Norwich | 4:00.00 |
| 4 | 11 | City Of Peterborough A | | Co Peterboro | 3:52.00 |
| 5 | 10 | City Of Peterborough B | | Co Peterboro | 3:59.90 |
| 6 | 8 | Hatfield A | | Hatfield | 4:02.00 |
| 7 | 6 | City of St Albans SC | | Co St Albans | 4:07.00 |