| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Charley Langford | 15 | Thanet Swim | 4:13.25 |
| 1 | 2 | Daniel Gencas | 15 | Romford Town | 4:12.70 |
| 2 | 3 | Niall Coulthard | 15 | Sedgefield | 4:11.95 |
| 3 | 4 | Jevon Penny | 15 | Northampton | 4:11.72 |
| 4 | 5 | Edward Mildred | 15 | Northampton | 4:03.71 |
| 5 | 6 | Lewis Binning | 15 | Basildon Ph | 4:10.86 |
| 6 | 7 | Aarian Lally | 15 | Hillingdon | 4:11.90 |
| 7 | 8 | Pierce Greening | 15 | Cockermouth | 4:12.25 |
| 8 | 9 | Pietro Forconi | 15 | Portsmouth N | 4:12.78 |
| 9 | 10 | Daniel Donovan | 15 | Guildford Ct | 4:14.13 |