(1) | 24.1w/+4.6 | CBP | Lynne Draper | (Redhill & Reigate AC) | 1 FINAL | Motspur Park | 15 May 1982 |
(2) | 24.4/+0.2 | | Donna Fraser | (Croydon Harriers) | 1 FINAL | Tooting Bec | 20 May 1989 |
(3) | 24.46/0.3 | | Arabella Wilson | (Winchester & District AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2023 |
(4) | 24.6/+0.7 | | Donna Fraser | (Croydon Harriers) | 1 FINAL | Tooting Bec | 14 May 1988 |
| 24.6/+3.5 | | Sarah Zawada | (Aldershot, Farnham & District AC) | 1 FINAL | Kingsmeadow Stadium | 10 May 1998 |
(6) | 24.7/+0.4 | | Donna Fraser | (Croydon Harriers) | 1 S-FINAL 1 | Tooting Bec | 14 May 1988 |
| 24.7/+1.1 | | Donna Fraser | (Croydon Harriers) | 1 S-FINAL 1 | Tooting Bec | 20 May 1989 |
| 24.7/-0.9 | | Joscelynn Hopeson | (Archbishop Tennison School, Croydon) | 1 HEAT 2 | Kingsmeadow Stadium | 16 May 2004 |
| 24.7 | | Joscelynn Hopeson | (Archbishop Tennison School, Croydon) | 1 FINAL | Kingsmeadow Stadium | 16 May 2004 |
(10) | 24.8w/+4.6 | | Sharron Burke | (Croydon Harriers) | 2 FINAL | Motspur Park | 15 May 1982 |
| 24.8/+0.1 | | Annabel Soper | (Croydon Harriers) | 1 FINAL | Tooting Bec | 17 May 1987 |
(12) | 24.81/-1.3 | | Kayla Bowley | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2018 |
(13) | 24.84 | | Jo White | (St Mary's Richmond AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2007 |
(14) | 24.86/-2.8 | | Imani Lansiquot | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 26 May 2013 |
(15) | 24.89/+0.9 | | Amy Allcock | (Aldershot, Farnham & District AC) | 1 FINAL | Kingsmeadow Stadium | 11 May 2008 |
(16) | 24.9/0.0 | | Janet Smith | (Mitcham AC) | 1 FINAL | Motspur Park | 18 May 1985 |
| 24.9/-1.7 | | Sarah Zawada | (Aldershot, Farnham & District AC) | 1 FINAL | Wimbledon Park | 10 May 1997 |
(18) | 24.91/+0.9 | | Twinelle Hopeson | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2008 |
(19) | 24.96/-0.2 | | Shona Richards | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2012 |
(20) | 25.0 | CBP | Shirley Thomas | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 12 May 1979 |
| 25.0 | | Annabel Soper | (Croydon Harriers) | 1 HEAT 1 | Tooting Bec | 16 May 1987 |
| 25.0/+0.7 | | Donna Fraser | (Croydon Harriers) | 1 HEAT 1 | Tooting Bec | 14 May 1988 |
| 25.00/-1.9 | | Kayla Bowley | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2017 |
(24) | 25.02/+1.5 | | Jo White | (St Mary's Richmond AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2006 |
(25) | 25.03/-2.8 | | Ashleigh Clarke | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 26 May 2013 |
|
25 performances of 25.03 or better. |