| (1) | 55.3 | CBP | Donna Fraser | (Croydon Harriers) | 1 FINAL | Tooting Bec | 15 May 1988 |
| | 55.3 | =CBP | Donna Fraser | (Croydon Harriers) | 1 FINAL | Tooting Bec | 21 May 1989 |
| (3) | 56.9 | CBP | Karen Hendrickse | (Mitcham AC) | 1 FINAL | Motspur Park | 15 May 1982 |
| (4) | 57.3 | | Jo White | (Mitcham AC) | 1 FINAL | Motspur Park | 14 May 1977 |
| | 57.3 | | Rona Smith | (Croydon Harriers) | 1 FINAL | Motspur Park | 17 May 1986 |
| (6) | 57.4 | | Sian Brooks | (Feltham AC) | 1 FINAL | Motspur Park | 18 May 1974 |
| (7) | 57.6 | | Kate Timothy | (Guildford & Godalming AC) | 2 FINAL | Tooting Bec | 15 May 1988 |
| (8) | 57.8 | | Joy Mgbezeh | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 12 May 1979 |
| (9) | 58.0 | CBP | Elaine King | (Croydon Harriers) | 1 FINAL | Wimbledon Park | 22 May 1971 |
| | 58.0 | | Jo White | (Mitcham AC) | 1 HEAT 1 | Motspur Park | 11 May 1977 |
| | 58.0 | | Karen Hendrickse | (Mitcham AC) | 1 FINAL | Motspur Park | 16 May 1981 |
| (12) | 58.1 | | Joy Mgbezeh | (Selsonia Ladies AC) | 1 HEAT 3 | Motspur Park | 8 May 1979 |
| (13) | 58.2 | | Francesca Weller | (Guildford & Godalming AC) | 2 FINAL | Motspur Park | 15 May 1982 |
| | 58.2 | | Lynne Draper | (Redhill & Reigate AC) | 1 FINAL | Motspur Park | 21 May 1983 |
| (15) | 58.3 | | Dawn Lucy | (Mitcham AC) | 2 FINAL | Motspur Park | 18 May 1974 |
| (16) | 58.4 | | Loraine Edwards | (Dick Sheppard School, Tulse Hill) | 2 FINAL | Wimbledon Park | 22 May 1971 |
| (17) | 58.5 | | Gail Allnut | (Surrey AC) | 1 FINAL | Motspur Park | 19 May 1973 |
| | 58.5 | | Sandra Green | (Surrey AC) | 1 HEAT 1 | Motspur Park | 8 May 1979 |
| | 58.5 | | Michelle Pierre | (Croydon Harriers) | 1 FINAL | Croydon Arena | 20 May 1990 |
| (20) | 58.6 | | Jo White | (Mitcham AC) | 1 FINAL | Motspur Park | 15 May 1976 |
| (21) | 58.7 | | Carolyn May | (Guildford & Godalming AC) | 1 FINAL | Croydon Arena | 18 May 1991 |
| (22) | 58.74 | | Matilda Rainsborough | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2011 |
| (23) | 58.8 | CBP | Maureen Huggins | (Selsonia Ladies AC) | 1 FINAL | Wimbledon Park | 16 May 1970 |
| | 58.8 | | Karen Hendrickse | (Mitcham AC) | 1 HEAT 4 | Motspur Park | 12 May 1981 |
| | 58.8 | | Karen Hendrickse | (Mitcham AC) | 1 HEAT 1 | Motspur Park | 11 May 1982 |
| | 58.8 | | Lynn Taylor | (Woking AC) | 2 FINAL | Motspur Park | 21 May 1983 |
| |
| 26 performances of 58.80 or better. |
