(1) | 11.79/-0.9 | CBP | Jennifer Eduwu | (South London Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 14 May 2023 |
(2) | 11.82/-1.5 | | Jennifer Eduwu | (South London Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2023 |
(3) | 11.9/+3.4 | CBP | Emma Whitter | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 1999 |
| 11.9/-0.7 | CBP | Olivia Okoli | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2017 |
(5) | 11.91/1.5 | | Niyah Costley | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 15 May 2022 |
(6) | 11.97/0 | | Saskia King | (Herne Hill Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 14 May 2023 |
(7) | 12.00/1.5 | | Aaliyah Brown | (South London Harriers) | 2 FINAL | Kingsmeadow Stadium | 15 May 2022 |
(8) | 12.03/0.4 | | Niyah Costley | (Herne Hill Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 15 May 2022 |
(9) | 12.1/+3.7 | CBP | Susan Williams | (Walton AC) | 1 FINAL | Croydon Arena | 11 May 1996 |
| 12.1/+1.5 | | Jade Lucas-Read | (Hercules Wimbledon AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2001 |
| 12.1/-0.6 | | Olivia Okoli | (Guildford & Godalming AC) | 1 HEAT 2 | Kingsmeadow Stadium | 14 May 2017 |
| 12.10/-1.5 | | Saskia King | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 14 May 2023 |
(13) | 12.11 | | Joscelynn Hopeson | (Archbishop Tennison School, Croydon) | 1 FINAL | Kingsmeadow Stadium | 15 May 2005 |
(14) | 12.12/0.8 | | Aaliyah Brown | (South London Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 15 May 2022 |
(15) | 12.13/+0.7 | | Twinelle Hopeson | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 2010 |
| 12.13/-0.9 | | Aaliyah Brown | (South London Harriers) | 2 HEAT 1 | Kingsmeadow Stadium | 14 May 2023 |
(17) | 12.18/-1.5 | | Aaliyah Brown | (South London Harriers) | 3 FINAL | Kingsmeadow Stadium | 14 May 2023 |
(18) | 12.19/+0.1 | | Aaliyah Brown | (South London Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2024 |
(19) | 12.2/+1.5 | | Anisha Barnaby | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 13 May 2001 |
| 12.2/+1.5 | | Sarah Zawada | (Aldershot, Farnham & District AC) | 3 FINAL | Kingsmeadow Stadium | 13 May 2001 |
| 12.2/-0.7 | | Charmont Webster-Tape | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 14 May 2017 |
(22) | 12.21/+1.1 | | Denise Osei | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2006 |
| 12.21/-1.5 | | Racheal Largie-Poleon | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 1 August 2021 |
(24) | 12.22/0.0 | | Charmont Webster-Tape | (Sutton & District AC) | 1 HEAT 1 | Kingsmeadow Stadium | 14 May 2017 |
(25) | 12.27/+1.1 | | Amy Godsell | (Blackheath & Bromley Harriers AC) | 2 FINAL | Kingsmeadow Stadium | 14 May 2006 |
(26) | 12.3/+1.6 | CBP | Natasha Danvers | (Croydon Harriers) | 1 FINAL | Croydon Arena | 13 May 1995 |
(27) | 12.31/+0.8 | | Denise Osei | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2007 |
(28) | 12.33/+1.0 | | Twinelle Hopeson | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 10 May 2009 |
(29) | 12.34/1.5 | | Saskia King | (Herne Hill Harriers) | 3 FINAL | Kingsmeadow Stadium | 15 May 2022 |
(30) | 12.35 | | Jade Phillips | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2008 |
(31) | 12.36/-1.5 | | Niyah Costley | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 1 August 2021 |
(32) | 12.38/-0.4 | | Davina Ansah | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2018 |
(33) | 12.4/+0.3 | | Natalie Gaynor | (Sutton & District AC) | 1 FINAL | Wimbledon Park | 10 May 1997 |
| 12.4/-1.1 | | Natalie Gaynor | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 9 May 1998 |
| 12.4/-1.1 | | Jade Johnson | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 9 May 1998 |
| 12.4/+3.4 | | Jacqueline Le Geyt | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 9 May 1999 |
| 12.4/+2.5 | | Anisha Barnaby | (Herne Hill Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 13 May 2001 |
| 12.40/+1.9 | | Amy Dowsett | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2002 |
| 12.40/-2.7 | | Maya Bruney | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 15 May 2016 |
| 12.4/-0.7 | | Jazz Crawford | (Blackheath & Bromley Harriers AC) | 3 FINAL | Kingsmeadow Stadium | 14 May 2017 |
(41) | 12.44/-0.6 | | Jazz Crawford | (Blackheath & Bromley Harriers AC) | 2 HEAT 2 | Kingsmeadow Stadium | 14 May 2017 |
| 12.44/+1.4 | | Naomi Owolabi | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 12 May 2019 |
| 12.44/0.8 | | Saskia King | (Herne Hill Harriers) | 2 HEAT 1 | Kingsmeadow Stadium | 15 May 2022 |
(44) | 12.46 | | Cheyanne Evans-Gray | (Herne Hill Harriers) | 4 FINAL | Kingsmeadow Stadium | 14 May 2017 |
(45) | 12.47/+1.9 | | Anisha Barnaby | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 12 May 2002 |
| 12.47/0.0 | | Cheyanne Evans-Gray | (Herne Hill Harriers) | 2 HEAT 1 | Kingsmeadow Stadium | 14 May 2017 |
| 12.47/0.0 | | Tosin Salami | (Croydon Harriers) | 3 HEAT 1 | Kingsmeadow Stadium | 14 May 2017 |
(48) | 12.49/-0.8 | | Naomi Owolabi | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2019 |
| 12.49/0 | | Kyra Stone | (Hercules Wimbledon AC) | 2 HEAT 2 | Kingsmeadow Stadium | 14 May 2023 |
(50) | 12.5/+3.7 | | Helen Pryer | (Windsor, Slough & Eton AC) | 2 FINAL | Croydon Arena | 11 May 1996 |
| 12.5/+0.3 | | Helen Pryer | (Windsor, Slough & Eton AC) | 2 FINAL | Wimbledon Park | 10 May 1997 |
| 12.5/-1.1 | | Emma Whitter | (Herne Hill Harriers) | 3 FINAL | Kingsmeadow Stadium | 9 May 1998 |
| 12.5/-1.1 | | Lucy Atunumuo | (Hercules Wimbledon AC) | 4 FINAL | Kingsmeadow Stadium | 9 May 1998 |
| 12.5/+2.0 | | Jade Lucas-Read | (Hercules Wimbledon AC) | 1 HEAT 2 | Kingsmeadow Stadium | 13 May 2001 |
| 12.5/+2.5 | | Sarah Zawada | (Aldershot, Farnham & District AC) | 2 HEAT 1 | Kingsmeadow Stadium | 13 May 2001 |
| 12.5/+2.0 | | Azaria Francis | (Croydon Harriers) | 2 HEAT 2 | Kingsmeadow Stadium | 13 May 2001 |
| 12.50/+1.0 | | Jade Phillips | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 10 May 2009 |
| 12.50/-1.5 | | Zoe Dake | (Croydon Harriers) | 3 FINAL | Kingsmeadow Stadium | 1 August 2021 |
|
58 performances of 12.50 or better. |