(1) | 24.5/+0.4 | CBP | Emma Whitter | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 8 May 1999 |
(2) | 24.55/+0.2 | CBP | Olivia Okoli | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2017 |
| 24.55/-0.4 | | Jennifer Eduwu | (South London Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(4) | 24.56/-1.2 | | Olivia Okoli | (Guildford & Godalming AC) | 1 HEAT 1 | Kingsmeadow Stadium | 13 May 2017 |
(5) | 24.6/+0.4 | CBP | Emma Whitter | (Herne Hill Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 8 May 1999 |
(6) | 24.65 | CBP | Joscelynn Hopeson | (Archbishop Tennison School, Croydon) | 1 FINAL | Kingsmeadow Stadium | 14 May 2005 |
(7) | 24.69/-0.8 | | Jennifer Eduwu | (South London Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(8) | 24.86/-2.3 | | Jo White | (St Mary's Richmond AC) | 1 FINAL | Kingsmeadow Stadium | 10 May 2008 |
(9) | 24.9 | CBP | Susan Williams | (Walton AC) | 1 FINAL | Croydon Arena | 12 May 1996 |
| 24.9/+1.6 | =CBP | Emma Whitter | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 10 May 1998 |
(11) | 25.0/+1.6 | | Jade Johnson | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 10 May 1998 |
| 25.00/-1.1 | | Tosin Salami | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2018 |
| 25.00/-0.4 | | Racheal Largie-Poleon | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(14) | 25.05/+0.2 | | Ellie Grove | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(15) | 25.09/-1.1 | | Eleanor Grove | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 12 May 2018 |
(16) | 25.1/+2.8 | CBP | Natasha Danvers | (Croydon Harriers) | 1 FINAL | Croydon Arena | 14 May 1995 |
(17) | 25.15/-1.1 | | Jemma Wood | (Guildford & Godalming AC) | 3 FINAL | Kingsmeadow Stadium | 12 May 2018 |
(18) | 25.16/-0.5 | | Jemma Wood | (Guildford & Godalming AC) | 1 HEAT 2 | Kingsmeadow Stadium | 13 May 2017 |
(19) | 25.19/+0.2 | | Jemma Wood | (Guildford & Godalming AC) | 3 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(20) | 25.2/+1.6 | | Sabrina Scott | (Belgrave Harriers) | 3 FINAL | Kingsmeadow Stadium | 10 May 1998 |
| 25.2/+1.6 | | Natalie Gaynor | (Sutton & District AC) | 4 FINAL | Kingsmeadow Stadium | 10 May 1998 |
| 25.20/-2.2 | | Kayla Bowley | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 11 May 2019 |
(23) | 25.21/-0.9 | | Twinelle Hopeson | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 8 May 2010 |
| 25.21/0.6 | | Jennifer Eduwu | (South London Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 14 May 2022 |
(25) | 25.29/-2.6 | | Jemma Wood | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(26) | 25.3/+2.8 | | Clover Wynter-Pink | (Croydon Harriers) | 2 FINAL | Croydon Arena | 14 May 1995 |
| 25.3/+0.4 | | Susan Bovill | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 8 May 1999 |
(28) | 25.31/-0.5 | | Twinelle Hopeson | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 2009 |
(29) | 25.32/-1.3 | | Amy Allcock | (Aldershot, Farnham & District AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2011 |
| 25.32/-0.5 | | Ellie Grove | (Guildford & Godalming AC) | 2 HEAT 2 | Kingsmeadow Stadium | 13 May 2017 |
(31) | 25.35/-3.5 | | Davina Ansah | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2019 |
(32) | 25.4/(+4.1) | | Susan Williams | (Walton AC) | 1 HEAT 1 | Croydon Arena | 12 May 1996 |
| 25.4 | | Simone Harrison | (Croydon Harriers) | 2 FINAL | Croydon Arena | 12 May 1996 |
(34) | 25.41/-1.3 | | Racheal Largie-Poleon | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 31 July 2021 |
| 25.41/-0.7 | | Racheal Largie-Poleon | (Croydon Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 14 May 2022 |
(36) | 25.45 | | Seandelle Haley | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 10 May 2003 |
(37) | 25.47/-3.5 | | Kayla Bowley | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2019 |
(38) | 25.49/+0.2 | | Lucy Hoad | (Sutton & District AC) | 4 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(39) | 25.5 | | Helen Pryer | (Windsor, Slough & Eton AC) | 3 FINAL | Croydon Arena | 12 May 1996 |
| 25.5/-1.3 | | Helen Pryer | (Windsor, Slough & Eton AC) | 1 FINAL | Wimbledon Park | 11 May 1997 |
| 25.5/+1.6 | | Lucy Atunumio | (Hercules Wimbledon AC) | 5 FINAL | Kingsmeadow Stadium | 10 May 1998 |
| 25.5/+0.4 | | Sarah Zawada | (Aldershot, Farnham & District AC) | 3 FINAL | Kingsmeadow Stadium | 8 May 1999 |
| 25.5/NWR | | Mae Thompson | (Kingston AC & Polytechnic Harriers) | 1 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(44) | 25.51/-1.6 | | Amy Godsell | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2006 |
(45) | 25.52/-4.1 | | Jessie Knight | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2012 |
(46) | 25.6 | | Helen Pryer | (Windsor, Slough & Eton AC) | 1 HEAT 2 | Croydon Arena | 12 May 1996 |
| 25.6 | | Claire Phillips | (Sutton & District AC) | 4 FINAL | Croydon Arena | 12 May 1996 |
| 25.6 | | Clover Wynter-Pink | (Croydon Harriers) | 5 FINAL | Croydon Arena | 12 May 1996 |
| 25.6/+0.4 | | Susan Bovill | (Sutton & District AC) | 2 HEAT 1 | Kingsmeadow Stadium | 8 May 1999 |
| 25.6/+1.5 | | Anisha Barnaby | (Blackheath Harriers) | 1 FINAL | Croydon Arena | 13 May 2000 |
| 25.6/+1.1 | | Anisha Barnaby | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2001 |
| 25.60 | | Emily Parker | (Epsom & Ewell Harriers) | 2 FINAL | Kingsmeadow Stadium | 10 May 2003 |
|
52 performances of 25.60 or better. |