(1) | 24.1w/+4.6 | CBP | Lynne Draper | (Redhill & Reigate AC) | 1 FINAL | Motspur Park | 15 May 1982 |
(2) | 24.20/+1.3 | | Isabella Akpoveta | (Crawley AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2024 |
(3) | 24.4/+0.2 | | Donna Fraser | (Croydon Harriers) | 1 FINAL | Tooting Bec | 20 May 1989 |
(4) | 24.42/+0.6 | | Isabella Akpoveta | (Crawley AC) | 1 HEAT 3 | Kingsmeadow Stadium | 12 May 2024 |
(5) | 24.46/0.3 | | Arabella Wilson | (Winchester & District AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2023 |
(6) | 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 |
(8) | 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 |
(12) | 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 |
(14) | 24.81/-1.3 | | Kayla Bowley | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2018 |
(15) | 24.84 | | Jo White | (St Mary's Richmond AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2007 |
(16) | 24.86/-2.8 | | Imani Lansiquot | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 26 May 2013 |
(17) | 24.89/+0.9 | | Amy Allcock | (Aldershot, Farnham & District AC) | 1 FINAL | Kingsmeadow Stadium | 11 May 2008 |
(18) | 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 |
(20) | 24.91/+0.9 | | Twinelle Hopeson | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2008 |
(21) | 24.96/-0.2 | | Shona Richards | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2012 |
(22) | 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 |
(26) | 25.02/+1.5 | | Jo White | (St Mary's Richmond AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2006 |
(27) | 25.03/-2.8 | | Ashleigh Clarke | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 26 May 2013 |
(28) | 25.1y | CBP | Jenny Taylor | (Mitcham AC) | 1 FINAL | Croydon Arena | 20 May 1961 |
| 25.1 | | Joy Bowerman | (Mitcham AC) | 1 FINAL | Motspur Park | 18 May 1974 |
| 25.1w/(+4.1) | | Elaine Mitchell | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 16 May 1981 |
| 25.1 | | Lynne Draper | (Redhill & Reigate AC) | 1 S-FINAL 1 | Motspur Park | 13 May 1982 |
| 25.1/-0.3 | | Donna Fraser | (Croydon Harriers) | 1 HEAT 1 | Tooting Bec | 20 May 1989 |
| 25.1/(-0.28) | | Michelle Pierre | (Croydon Harriers) | 1 FINAL | Croydon Arena | 19 May 1990 |
| 25.1/-0.5 | | Wooday Sidibe | (Croydon Harriers) | 1 HEAT 1 | Croydon Arena | 14 May 1994 |
(35) | 25.13/+0.4 | | Ashleigh Clarke | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 25 May 2014 |
(36) | 25.14/+1.3 | | Liliana Richardson | (Epsom & Ewell Harriers) | 2 FINAL | Kingsmeadow Stadium | 12 May 2024 |
(37) | 25.15/+1.6 | | Jo White | (St Mary's Richmond AC) | 1 HEAT 2 | Kingsmeadow Stadium | 13 May 2007 |
| 25.15/-1.6 | | Charmont Webster-Tape | (Sutton & District AC) | 1 HEAT 2 | Kingsmeadow Stadium | 24 May 2015 |
(39) | 25.18/-1.0 | | Ellie Grove | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 24 May 2015 |
(40) | 25.19/-1.0 | | Charmont Webster-Tape | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 24 May 2015 |
(41) | 25.2 | | Sharon Carth | (Merton Ladies) | 1 HEAT 3 | Motspur Park | 14 May 1981 |
| 25.2 | | Lynne Draper | (Redhill & Reigate AC) | 1 HEAT 1 | Motspur Park | 13 May 1982 |
| 25.2 | | Janet Smith | (Mitcham AC) | 1 FINAL | Motspur Park | 19 May 1984 |
| 25.2/+3.5 | | Susan Bovil | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 10 May 1998 |
(45) | 25.22/-0.6 | | Kayla Bowley | (Croydon Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 14 May 2017 |
| 25.22 | | Kayla Bowley | (Croydon Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 13 May 2018 |
(47) | 25.24/-0.2 | | Eleanor Smith-Hahn | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 13 May 2012 |
(48) | 25.28/+1.3 | | Michelle Nash-Odei | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2002 |
| 25.28/-1.6 | | Ellie Grove | (Guildford & Godalming AC) | 2 HEAT 2 | Kingsmeadow Stadium | 24 May 2015 |
(50) | 25.29/-2.5 | | Imani Lansiquot | (Sutton & District AC) | 1 HEAT 2 | Kingsmeadow Stadium | 26 May 2013 |
|
50 performances of 25.29 or better. |