(1) | 23.70/+1.4 | CBP | Helen Pryer | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 11 May 2008 |
(2) | 23.9y | =CBP | Jenny Smart | (Spartan Ladies AC) | 1 FINAL | Croydon Arena | 20 May 1961 |
| 23.9/-0.7 | CBP | Elona Reinalda | (Essex Ladies AC) | 1 FINAL | Croydon Arena | 11 May 1996 |
| 23.90/+1.4 | CBP= | Sabrina Scott | (Woodford Green with Essex Ladies) | 1 FINAL | Kingsmeadow Stadium | 12 May 2002 |
(5) | 24.0/+2.3 | CBP | Janet Smith | (Mitcham & Sutton AC) | 1 FINAL | Tooting Bec | 17 May 1987 |
| 24.0/+3.3 | CBP= | Donna Fraser | (Croydon Harriers) | 1 FINAL | Croydon Arena | 20 May 1990 |
| 24.0/+2.2 | CBP | Donna Fraser | (Croydon Harriers) | 1 FINAL | Croydon Arena | 14 May 1995 |
| 24.00 | | Helen Pryer | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2007 |
(9) | 24.1 | CBP= | Eleanor Thomas | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 13 May 1978 |
| 24.1 | CBP= | Eleanor Thomas | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 12 May 1979 |
| 24.1/+0.5 | | Sabrina Scott | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2001 |
(12) | 24.16/+1.4 | | Dominique Blaize | (Kingston AC & Polytechnic Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2008 |
(13) | 24.18/+2.7 | | Sabrina Scott | (Woodford Green with Essex Ladies) | 1 HEAT 1 | Kingsmeadow Stadium | 12 May 2002 |
(14) | 24.2y | CBP | Marianne Dew | (Selsonia Ladies AC) | 1 FINAL | Wimbledon Park | 19 May 1962 |
| 24.2/+4.8 | | Eleanor Thomas | (Hounslow AC) | 1 FINAL | Motspur Park | 16 May 1981 |
| 24.2/+2.3 | | Lynne Draper | (Croydon Harriers) | 2 FINAL | Tooting Bec | 17 May 1987 |
| 24.2 | | Alison Davies | (Woking AC) | 1 FINAL | Croydon Arena | 14 May 1994 |
| 24.20/0.0 | | Helen Pryer | (Bracknell AC) | 1 FINAL | Kingsmeadow Stadium | 16 May 2004 |
(19) | 24.24/-2.0 | | Helen Pryer | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 15 May 2011 |
(20) | 24.26/+1.4 | | Helen Pryer | (Windsor, Slough, Eton & Hounslow AC) | 1 HEAT 1 | Kingsmeadow Stadium | 10 May 2009 |
(21) | 24.3/-0.7 | | Bev Kinch | (Hounslow AC) | 2 FINAL | Croydon Arena | 11 May 1996 |
| 24.3/+4.4 | | Susan Williams | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 10 May 1998 |
(23) | 24.36/+1.4 | | Jade Johnson | (Herne Hill Harriers) | 3 FINAL | Kingsmeadow Stadium | 11 May 2008 |
(24) | 24.4y | CBP | Jenny Smart | (Spartan Ladies AC) | 1 FINAL | Croydon Arena | 21 May 1960 |
| 24.4/+1.2 | CBP | Jenny Pawsey | (Mitcham AC) | 1 FINAL | Motspur Park | 15 May 1976 |
| 24.4 | | Eleanor Thomas | (Selsonia Ladies AC) | 1 HEAT 1 | Motspur Park | 11 May 1978 |
| 24.4/-0.7 | | Alison Davies | (Woking AC) | 3 FINAL | Croydon Arena | 11 May 1996 |
|
27 performances of 24.40 or better. |