| Event | Record | Holder | Place | Date |
|---|---|---|---|---|
| 50m Freestyle | 23.16 | Finn Harman | Sheffield | 24-Mar-19 |
| 100m Freestyle | 50.88 | Finn Harman | Sheffield | 23-Mar-19 |
| 200m Freestyle | 01:52.49 | Henry Choong | Sheffield | 23-Mar-19 |
| 400m Freestyle | 03:58.36 | Jacques Bonsell | Sheffield | 11-Nov-18 |
| 800m Freestyle | 08:19.78 | Jacques Bonsell | Sheffield | 15-Dec-18 |
| 1500m Freestyle | 15:39.31 | Jacques Bonsell | Sheffield | 15-Dec-18 |
| 50m Backstroke | 26.76 | Alexander Lezard | Sheffield | 23-Mar-19 |
| 100m Backstroke | 58.36 | Tom Rootsey | Oxford | 20-Feb-10 |
| 200m Backstroke | 02:06.77 | Henry Choong | Northolt | 9-Jun-19 |
| 50m Breaststroke | 28.72 | Lewis Waters | Sheffield | 23-Mar-19 |
| 100m Breaststroke | 01:03.16 | Lewis Waters | Sheffield | 23-Mar-19 |
| 200m Breaststroke | 02:25.10 | Mike Scott | Swansea | 4-Dec-99 |
| 50m Butterfly | 25.05 | Theo Cannon | Sheffield | 24-Mar-19 |
| 100m Butterfly | 55.93 | Joel Carpenter | Oxford | 18-Feb-12 |
| 200m Butterfly | 02:05.07 | Hugo Bellamy | Hatfield | 3-Dec-17 |
| 100m Individual Medley | 57.42 | Theo Cannon | Sheffield | 24-Mar-19 |
| 200m Individual Medley | 02:04.73 | Theo Cannon | Cambridge | 3-Mar-19 |
| 400m Individual Medley | 4:40.19 | Matthew Courtis | Sheffield | 11-Nov-17 |
| 4x50m Medley Relay | 01:43.31 | Alexander Lezard Lewis Waters Theo Cannon Finn Harman | Sheffield | 23-Mar-19 |
| 4x100m Medley Relay | 03:51.52 | Alexander Lezard Dominic Holloway Matthew Courtis Marcin Chrapek | Oxford | 24-Feb-18 |
| 4x50m Freestyle Relay | 01:33.21 | Finn Harman Henry Choong Lewis Waters Theo Cannon | Sheffield | 24-Mar-19 |
| 4x100m Freestyle Relay | 03:26.87 | Finn Harman Dimitris Kousoulidis Hugo Bellamy Henry Choong | Oxford | 24-Feb-18 |
