| Under-20 Women | Long Jump | 26 February 1994 | Crystal Palace | 4.99m | | Samantha Male | (Aldershot, Farnham & District AC) |
| Under-20 Women | Long Jump | 26 February 1995 | Crystal Palace | 4.43m | | S Stacey | (Belgrave Harriers) |
| Under-20 Women | Long Jump | 24 February 1996 | Crystal Palace | 5.08m | | Helen Pryer | (Windsor, Slough & Eton AC) |
| Under-20 Women | Long Jump | 22 February 1997 | Crystal Palace | 5.04m | | Sarah Wellstead | (Sutton & District AC) |
| Under-20 Women | Long Jump | 28 February 1998 | Crystal Palace | 5.55m | | Sarah Wellstead | (Sutton & District AC) |
| Under-20 Women | Long Jump | 27 February 1999 | Crystal Palace | 5.30m | | Shukurat Mumuni | (Herne Hill Harriers) |
| Under-20 Women | Long Jump | 19 February 2000 | Crystal Palace | 5.19m | | Natalie Brant | (Epsom & Ewell Harriers) |
| Under-20 Women | Long Jump | 17 February 2001 | Crystal Palace | 5.38m | | Natalie Brant | (Epsom & Ewell Harriers) |
| Under-20 Women | Long Jump | 16 February 2002 | Crystal Palace | 5.11m | | Samantha Henderson | (Woking AC) |
| Under-20 Women | Long Jump | 15 March 2003 | Sutton Arena | 5.78m | CBP | Emily Parker | (Epsom & Ewell Harriers) |
| Under-20 Women | Long Jump | 15 February 2004 | Sutton Arena | 5.49m | | Channelle Garnett | (Herne Hill Harriers) |
| Under-20 Women | Long Jump | 5 March 2005 | Sutton Arena | 4.96m | | Jade Lally | (Sutton & District AC) |
| Under-20 Women | Long Jump | 11 March 2006 | Sutton Arena | 5.56m | | Emily Martin | (Hercules Wimbledon AC) |
| Under-20 Women | Long Jump | 3 March 2007 | Sutton Arena | 5.38m | | Jane Ejimafrugha | (Herne Hill Harriers) |
| Under-20 Women | Long Jump | 1 March 2008 | Sutton Arena | 4.98m | | Jo Rowland | (Crawley AC) |
| Under-20 Women | Long Jump | 28 February 2009 | Sutton Arena | 5.16m | | Jasmin Dotzek | (Crawley AC) |
| Under-20 Women | Long Jump | 26 February 2011 | Sutton Arena | 5.01m | | Lisa O'Brien | (Walton AC) |
| Under-20 Women | Long Jump | 16 February 2013 | Sutton Arena | 5.73m | | Jahisha Thomas | (Blackheath & Bromley Harriers AC) |
| Under-20 Women | Long Jump | 15 February 2014 | Carshalton | 5.39m | | Kerri Davidson | (Blackheath & Bromley Harriers AC) |
| Under-20 Women | Long Jump | 14 February 2015 | Carshalton | 5.40m | | Kerri Davidson | (Blackheath & Bromley Harriers AC) |
| Under-20 Women | Long Jump | 20 February 2016 | Carshalton | 4.74m | | Sonyce Archer | (Croydon Harriers) |
| Under-20 Women | Long Jump | 18 February 2017 | Carshalton | 4.88m | | Kyah Ellis | (Woking AC) |
| Under-20 Women | Long Jump | 17 February 2018 | Carshalton | 5.13m | | Adahna Ekoku | (Epsom & Ewell Harriers) |
| Under-20 Women | Long Jump | 16 February 2019 | Carshalton | 5.29m | | Olivia Chessell | (Sutton & District AC) |
| Under-20 Women | Long Jump | 15 February 2020 | Carshalton | 5.44m | | Madison Hutton | (Epsom & Ewell Harriers) |
| Under-20 Women | Long Jump | 12 February 2022 | Carshalton | 5.12m | | Sophie Doherty | (Kingston AC & Polytechnic Harriers) |
| Under-20 Women | Long Jump | 4 March 2023 | Carshalton | 5.12m | | Jaydine Robinson | (Herne Hill Harriers) |
| Under-20 Women | Long Jump | 9 March 2024 | Carshalton | 4.04m | | Inessa-Renee Atta-Fynn | (Croydon Harriers) |
