| Event | Record | Holder | Place | Date |
|---|---|---|---|---|
| 50m Freestyle | 23.42 | Finn Harman | Sheffield | 18-Mar-17 |
| 100m Freestyle | 51.14 | Dale Waterhouse | Sheffield | 10-Mar-12 |
| 200m Freestyle | 01:52.60 | Erik Sullivan | Sheffield | 18-Mar-17 |
| 400m Freestyle | 03:58.36 | Jacques Bonsell | Sheffield | 11-Nov-18 |
| 800m Freestyle | 08:26.42 | Jacques Bonsell | Luton | 2-Nov-18 |
| 1500m Freestyle | 15:51.43 | Jacques Bonsell | Luton | 2-Nov-18 |
| 50m Backstroke | 27.42 | Anthoney Tsou | Plymouth | 29-Nov-16 |
| 100m Backstroke | 58.36 | Tom Rootsey | Oxford | 20-Feb-10 |
| 200m Backstroke | 02:09.07 | Viktor Stein | Cambridge | 22-Jan-05 |
| 50m Breaststroke | 28.88 | Dominic Holloway | Sheffield | 11-Nov-17 |
| 100m Breaststroke | 01:03.41 | Dominic Holloway | Cambridge | 25-Feb-17 |
| 200m Breaststroke | 02:25.10 | Mike Scott | Swansea | 4-Dec-99 |
| 50m Butterfly | 25.45 | Joel Carpenter | Sheffield | 7-Mar-10 |
| 100m Butterfly | 55.93 | Joel Carpenter | Oxford | 18-Feb-12 |
| 200m Butterfly | 02:08.27 | Hugo Bellamy | Sheffield | 12-Nov-17 |
| 100m Individual Medley | 58.00 | Matthew Courtis | Sheffield | 28-Apr-18 |
| 200m Individual Medley | 02:07.17 | Matthew Courtis | Oxford | 24-Feb-18 |
| 400m Individual Medley | 4:40.19 | Matthew Courtis | Sheffield | 11-Nov-17 |
| 4x50m Medley Relay | 01:44.93 | Henry Choong Dominic Holloway Matthew Courtis Dimitris Kousoulidis | Sheffield | 29-Apr-18 |
| 4x100m Medley Relay | 03:51.52 | Alexander Lezard Dominic Holloway Matthew Courtis Marcin Chrapek | Oxford | 24-Feb-18 |
| 4x50m Freestyle Relay | 01:34.00 | Henry Choong Erik Sullivan Dominic Holloway Finn Harman | Sheffield | 18-Mar-17 |
| 4x100m Freestyle Relay | 03:26.87 | Finn Harman Dimitris Kousoulidis Hugo Bellamy Henry Choong | Oxford | 24-Feb-18 |
