(1) | 11.26/-0.6 | CBP | Lia Bonsu | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(2) | 11.36w/+2.1 | CBP | Hope Sarti | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(3) | 11.4/+0.8 | CBP | Louise Brunning | (Mitcham & Sutton AC) | 1 FINAL | Tooting Bec | 15 May 1988 |
(4) | 11.48/0.0 | | Hope Sarti | (Guildford & Godalming AC) | 1 HEAT 1 | Kingsmeadow Stadium | 24 May 2014 |
| 11.48w/+2.1 | | Sophie Elliss | (Reigate Priory AC) | 2 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(6) | 11.5 | CBP | Claire St. John | (Epsom & Ewell Harriers) | 1 FINAL | Motspur Park | 12 May 1979 |
| 11.5/+0.8 | | Valerie Theobalds | (Mitcham & Sutton AC) | 2 FINAL | Tooting Bec | 15 May 1988 |
(8) | 11.57/-0.1 | | Sophie Elliss | (Reigate Priory AC) | 1 HEAT 2 | Kingsmeadow Stadium | 24 May 2014 |
(9) | 11.6/+3.0 | | Sarah Porter | (Sutton & District AC) | 1 FINAL | Croydon Arena | 11 May 1996 |
(10) | 11.64/0.0 | | Megan Hildrew | (Guildford & Godalming AC) | 1 HEAT 1 | Kingsmeadow Stadium | 23 May 2015 |
(11) | 11.65/-2.3 | | Pippa Earley | (Kingston AC & Polytechnic Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(12) | 11.7 | CBP | Jenny Richardson | (Mitcham AC) | - HEATS | Wimbledon Park | 16 May 1970 |
| 11.7/-0.6 | | Louise Brunning | (Mitcham & Sutton AC) | 1 HEAT 1 | Tooting Bec | 15 May 1988 |
| 11.7/+1.0 | | Valerie Theobalds | (Mitcham & Sutton AC) | 1 FINAL | Tooting Bec | 21 May 1989 |
| 11.7/+3.0 | | Clare O'Sullivan | (Sutton & District AC) | 2 FINAL | Croydon Arena | 11 May 1996 |
(16) | 11.75w/+2.1 | | Megan Hildrew | (Guildford & Godalming AC) | 3 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(17) | 11.76/+0.1 | | Megan Hildrew | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 23 May 2015 |
| 11.76/-1.6 | | Lia Bonsu | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 31 July 2021 |
(19) | 11.8 | CBP | Claire St. John | (Epsom & Ewell Harriers) | 1 FINAL | Motspur Park | 13 May 1978 |
| 11.8 | =CBP | Marcia Chung | (Mitcham AC) | 1 HEAT 1 | Motspur Park | 12 May 1979 |
| 11.8 | =CBP | Claire St. John | (Epsom & Ewell Harriers) | 1 HEAT 2 | Motspur Park | 12 May 1979 |
| 11.8/+1.2 | | Samantha Farquharson | (Croydon Harriers) | 1 FINAL | Motspur Park | 17 May 1986 |
| 11.8/-0.8 | | Valerie Theobalds | (Mitcham & Sutton AC) | 1 HEAT 2 | Tooting Bec | 15 May 1988 |
| 11.8/+0.4 | | Channelle Garnett | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2001 |
| 11.80 | | Jahisha Thomas | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 8 May 2010 |
|
25 performances of 11.80 or better. |