| Under-20 Women | High Jump | 15 May 1993 | Croydon Arena | 1.70m | CBP | Diana Bennett | (Epsom & Ewell Harriers) |
| Under-20 Women | High Jump | 14 May 1995 | Croydon Arena | 1.50m | | J Davis | (Croydon Harriers) |
| Under-20 Women | High Jump | 12 May 1996 | Croydon Arena | 1.60m | | Clover Wynter-Pink | (Croydon Harriers) |
| Under-20 Women | High Jump | 10 May 1997 | Wimbledon Park | 1.50m | | Sarah Wellstead | (Sutton & District AC) |
| Under-20 Women | High Jump | 10 May 1998 | Kingsmeadow Stadium | 1.50m | | Sarah Wellstead | (Sutton & District AC) |
| Under-20 Women | High Jump | 9 May 1999 | Kingsmeadow Stadium | 1.61m | | Claire Sterry | (Croydon Harriers) |
| Under-20 Women | High Jump | 14 May 2000 | Croydon Arena | 1.50m | | Julie McAlpin | (Herne Hill Harriers) |
| Under-20 Women | High Jump | 13 May 2001 | Kingsmeadow Stadium | 1.60m | | Sarah Henderson | (Woking AC) |
| Under-20 Women | High Jump | 11 May 2002 | Kingsmeadow Stadium | 1.65m | | Danielle Fidge | (Croydon Harriers) |
| Under-20 Women | High Jump | 10 May 2003 | Kingsmeadow Stadium | 1.65m | | Danielle Fidge | (Blackheath & Bromley Harriers AC) |
| Under-20 Women | High Jump | 15 May 2004 | Kingsmeadow Stadium | 1.65m | | Shani Rainford | (Herne Hill Harriers) |
| Under-20 Women | High Jump | 14 May 2005 | Kingsmeadow Stadium | 1.73m | | Charis O'Connor | (Guildford & Godalming AC) |
| Under-20 Women | High Jump | 13 May 2006 | Kingsmeadow Stadium | 1.75m | CBP | Shani Rainford | (Herne Hill Harriers) |
| Under-20 Women | High Jump | 12 May 2007 | Kingsmeadow Stadium | 1.65m | | Charis O'Connor | (Guildford & Godalming AC) |
| Under-20 Women | High Jump | 9 May 2009 | Kingsmeadow Stadium | 1.55m | | Rosie Clarke | (Epsom & Ewell Harriers) |
| Under-20 Women | High Jump | 8 May 2010 | Kingsmeadow Stadium | 1.55m | | Rosie Clarke | (Epsom & Ewell Harriers) |
| Under-20 Women | High Jump | 12 May 2012 | Kingsmeadow Stadium | 1.45m | | Sophy Milton | (unattached) |
| Under-20 Women | High Jump | 25 May 2013 | Kingsmeadow Stadium | 1.73m | | Camellia Hayes | (Aldershot, Farnham & District AC) |
| Under-20 Women | High Jump | 24 May 2014 | Kingsmeadow Stadium | 1.45m | | Phoebe Callaghan-Mills | (Kingston AC & Polytechnic Harriers) |
| Under-20 Women | High Jump | 13 May 2017 | Kingsmeadow Stadium | 1.45m | | Florie Craddock | (Herne Hill Harriers) |
| Under-20 Women | High Jump | 12 May 2018 | Kingsmeadow Stadium | 1.45m | | Anna Given | (South London Harriers) |
| Under-20 Women | High Jump | 31 July 2021 | Kingsmeadow Stadium | 1.50m | | Bryony Bovell | (Guildford & Godalming AC) |
| Under-20 Women | High Jump | 31 July 2021 | Kingsmeadow Stadium | 1.50m | | Sophie Cox | (Epsom & Ewell Harriers) |
| Under-20 Women | High Jump | 14 May 2022 | Kingsmeadow Stadium | 1.50m | | Chantelle Ikomo-Blackburn | (Sutton & District AC) |
| Under-20 Women | High Jump | 13 May 2023 | Kingsmeadow Stadium | 1.65m | | Gabriella Thoburn | (South London Harriers) |
