| Final | |||||
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 1 | Kieran Dale | 02 | Thanet Swim | 4:55.38 |
| 1 | 2 | Jacob Davies | 02 | Chase | 4:54.55 |
| 2 | 3 | Joel Sinclair | 02 | Carlisle Aq | 4:52.83 |
| 3 | 4 | Theo Savva | 02 | Co Cardiff | 4:48.65 |
| 4 | 5 | Charlie Hutchison | 02 | Ellesmere Co | 4:40.18 |
| 5 | 6 | William Bell | 02 | Co Leicester | 4:41.58 |
| 6 | 7 | James Newman | 02 | Co Leicester | 4:50.94 |
| 7 | 8 | Huw Williams | 02 | Millfield | 4:53.54 |
| 8 | 9 | Lewis Binning | 03 | Romford Town | 4:54.68 |
| 9 | 10 | Joseph Russell | 02 | Co Cant'bury | 4:55.42 |