(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) | 24.99/+1.4 | | Aaliyah Brown | (South London Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(12) | 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 |
(15) | 25.05/+0.2 | | Ellie Grove | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(16) | 25.09/-1.1 | | Eleanor Grove | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 12 May 2018 |
(17) | 25.1/+2.8 | CBP | Natasha Danvers | (Croydon Harriers) | 1 FINAL | Croydon Arena | 14 May 1995 |
(18) | 25.15/-1.1 | | Jemma Wood | (Guildford & Godalming AC) | 3 FINAL | Kingsmeadow Stadium | 12 May 2018 |
(19) | 25.16/-0.5 | | Jemma Wood | (Guildford & Godalming AC) | 1 HEAT 2 | Kingsmeadow Stadium | 13 May 2017 |
(20) | 25.19/+0.2 | | Jemma Wood | (Guildford & Godalming AC) | 3 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(21) | 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 |
(24) | 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 performances of 25.21 or better. |