Last updated: 8 December 2024.
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Male
| Event | Name | Time | Date | Competition | Venue |
|---|---|---|---|---|---|
| 50m Freestyle | Jordan Cooley | 00:22.36 | 25/07/2024 | British Summer Championships | Sheffield |
| 100m Freestyle | Jordan Cooley | 00:49.04 | 24/07/2024 | British Summer Championships | Sheffield |
| 200m Freestyle | Gabriel Shepherd | 01:49.34 | 28/11/2024 | Rotterdam Qualification Meet | Rotterdam |
| 400m Freestyle | Andrew Astbury | 03:53.29 | Oct 1982 | Commonwealth Games | Brisbane |
| 800m Freestyle | Jonathan Andrews | 08:24.41 | May 2003 | NECASA Youth/Senior Champs | Sheffield |
| 1500m Freestyle | Ian Wilson | 15:08.77 | 24/08/1994 | Commonwealth Games | Victoria |
| 50m Backstroke | Daniel Ransom | 00:26.57 | 21/07/2024 | British Summer Championships | Sheffield |
| 100m Backstroke | James Hickman | 00:56.51 | 11/07/1999 | European Trials | Sheffield |
| 200m Backstroke | James Hickman | 02:02.25 | 21/03/2003 | British Championships | Sheffield |
| 50m Breaststroke | James Parrack | 00:28.63 | 21/05/1992 | Summer Nationals | Sheffield |
| 100m Breaststroke | Adrian Moorhouse | 01:01.49 | Aug 1989 | European Championships | Bonn |
| 200m Breaststroke | Adrian Moorhouse | 02:15.78 | 21/08/1987 | European Championships | Strasbourg |
| 50m Butterfly | James Hickman | 00:24.72 | 12/04/2002 | British Championships | Manchester |
| 100m Butterfly | James Hickman | 00:52.79 | 07/04/2004 | Olympic Trials | Sheffield |
| 200m Butterfly | James Hickman | 01:57.11 | Sep 1998 | Commonwealth Games | Kuala Lumpur |
| 200m Individual Medley | James Hickman | 02:01.87 | 17/09/1998 | Commonwealth Games | Kuala Lumpur |
| 400m Individual Medley | James Hickman | 04:20.17 | 13/09/1998 | Commonwealth Games | Kuala Lumpur |
Female
| Event | Name | Time | Date | Competition | Venue |
|---|---|---|---|---|---|
| 50m Freestyle | Emma Dutton | 00:25.90 | 08/04/2004 | Olympic Trials | Sheffield |
| 100m Freestyle | Georgia Coates | 00:55.79 | 15/04/2016 | British Championships | Glasgow |
| 200m Freestyle | Georgia Coates | 01:58.54 | 12/04/2016 | British Championships | Glasgow |
| 400m Freestyle | Anne Bochmann | 04:08.30 | 10/08/2010 | Commonwealth Games | Delhi |
| 800m Freestyle | Danielle Hall-Jackson | 08:39.30 | 29/07/2011 | National Youth Championships | Sheffield |
| 1500m Freestyle | Danielle Hall-Jackson | 16:34.84 | 06/03/2011 | British Championships | Manchester |
| 50m Backstroke | Kidiest Hodgson | 00:29.09 | 27/07/2022 | British Summer Championships | Sheffield |
| 100m Backstroke | Kidiest Hodgson | 01:02.59 | 06/04/2022 | British Championships | Sheffield |
| 200m Backstroke | Sophie Hobbah | 02:12.40 | 27/07/2018 | British Summer Championships | Sheffield |
| 50m Breaststroke | Sophie Taylor | 00:30.56 | 24/07/2014 | Commonwealth Games | Glasgow |
| 100m Breaststroke | Sophie Taylor | 01:06.35 | 28/07/2014 | Commonwealth Games | Glasgow |
| 200m Breaststroke | Sophie Taylor | 02:24.46 | 12/04/2014 | British Championships | Glasgow |
| 50m Butterfly | Isabelle Goodwin | 00:27.05 | 09/07/2021 | European Junior Championships | Rome |
| 100m Butterfly | Ciara Schlosshan | 00:59.53 | 28/07/2019 | British Summer Championships | Glasgow |
| 200m Butterfly | Ciara Schlosshan | 02:09.55 | 25/07/2019 | British Summer Championships | Glasgow |
| 200m Individual Medley | Leah Schlosshan | 02:11.65 | 06/04/2024 | British Championships | London |
| 400m Individual Medley | Georgia Coates | 04:39.94 | 25/08/2015 | World Junior Championships | Singapore |