(1) | 12.89/+1.4 | CBP | Emma Kjaer | (Kingston AC & Polytechnic Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(2) | 12.9 | CBP | Sandra French | (Feltham AC) | 1 HEAT 3 | Motspur Park | 15 May 1976 |
| 12.9 | =CBP | Sandra French | (Feltham AC) | 1 S-FINAL 1 | Motspur Park | 15 May 1976 |
(4) | 13.0/+3.3 | | Sandra French | (Feltham AC) | 1 FINAL | Motspur Park | 15 May 1976 |
| 13.0 | CBP | Janet Smith | (Mitcham AC) | 1 FINAL | Motspur Park | 16 May 1981 |
(6) | 13.03/+0.3 | | Ore Adamson | (Herne Hill Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 24 May 2014 |
| 13.03/+1.0 | | Ore Adamson | (Herne Hill Harriers) | 1 S-FINAL 1 | Kingsmeadow Stadium | 24 May 2014 |
| 13.03/-1.1 | | Zipporah Golding | (Hercules Wimbledon AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(9) | 13.04/+1.8 | | Alissa Jones-Aryeh | (Herne Hill Harriers) | 1 HEAT 4 | Kingsmeadow Stadium | 11 May 2024 |
(10) | 13.05/+0.1 | | Ore Adamson | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(11) | 13.07/+1.1 | | Emma Kjaer | (Kingston AC & Polytechnic Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 11 May 2024 |
(12) | 13.09/+0.5 | | Leona Brako | (Croydon Harriers) | 1 S-FINAL 2 | Kingsmeadow Stadium | 10 May 2008 |
(13) | 13.1/+0.8 | | Stefanie Knight | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2001 |
| 13.10/+1.5 | | Emma Kjaer | (Kingston AC & Polytechnic Harriers) | 1 S-FINAL 2 | Kingsmeadow Stadium | 11 May 2024 |
(15) | 13.15/0.0 | | Shivelle Marshall | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(16) | 13.17/+1.2 | | Charlotte Cole | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 10 May 2003 |
(17) | 13.19/+1.3 | | Tilly Gough | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(18) | 13.2/+0.2 | | Donna Fraser | (Croydon Harriers) | 1 FINAL | Motspur Park | 18 May 1985 |
| 13.2/-0.2 | | Amanda Hart | (Holland & Oxted AC) | 1 FINAL | Tooting Bec | 14 May 1988 |
| 13.2 | | Twinelle Hopeson | (Archbishop Tennison School, Croydon) | 1 FINAL | Kingsmeadow Stadium | 15 May 2004 |
(21) | 13.22/+0.6 | | Sapphire Haley | (Herne Hill Harriers) | 1 HEAT 3 | Kingsmeadow Stadium | 12 May 2018 |
| 13.22/0.6 | | Ella Rennie | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 31 July 2021 |
(23) | 13.24/+1.7 | | Tilly Gough | (Guildford & Godalming AC) | 1 HEAT 1 | Kingsmeadow Stadium | 23 May 2015 |
(24) | 13.25/+1.3 | | Zoe Dake | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(25) | 13.26/+0.1 | | Marcia Sey | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(26) | 13.27/0.0 | | Amelia Montegnani | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2002 |
(27) | 13.28/+0.4 | | Saray-Destiny Crosdale | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(28) | 13.3/+0.1 | | Ann Flannery | (Mitcham AC) | 1 HEAT 1 | Motspur Park | 15 May 1982 |
| 13.3/0.0 | | Donna Fraser | (Croydon Harriers) | 1 HEAT 1 | Motspur Park | 18 May 1985 |
| 13.3/-0.8 | | Amanda Hart | (Holland & Oxted AC) | 1 S-FINAL 1 | Tooting Bec | 14 May 1988 |
| 13.3/-1.1 | | Stefanie Knight | (Herne Hill Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 12 May 2001 |
| 13.30/-0.1 | | Tilly Gough | (Guildford & Godalming AC) | 1 S-FINAL 1 | Kingsmeadow Stadium | 23 May 2015 |
(33) | 13.31/0.6 | | Grace Nunn | (Holland Sports AC) | 2 FINAL | Kingsmeadow Stadium | 31 July 2021 |
(34) | 13.32/+0.3 | | Zoe Dake | (Croydon Harriers) | 1 S-FINAL 2 | Kingsmeadow Stadium | 23 May 2015 |
| 13.32/+1.3 | | Toni Bryan | (Croydon Harriers) | 3 FINAL | Kingsmeadow Stadium | 23 May 2015 |
| 13.32/+1.4 | | Alissa Jones-Aryeh | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(37) | 13.33 | | Sapphire Haley | (Herne Hill Harriers) | 1 S-FINAL 1 | Kingsmeadow Stadium | 12 May 2018 |
| 13.33/+1.8 | | Dougita Danso | (Croydon Harriers) | 2 HEAT 4 | Kingsmeadow Stadium | 11 May 2024 |
(39) | 13.35/+0.8 | | Marcia Sey | (Croydon Harriers) | 1 S-FINAL 2 | Kingsmeadow Stadium | 24 May 2014 |
(40) | 13.36/+0.1 | | Tumininu Araga | (Woking AC) | 3 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(41) | 13.37/-0.1 | | Grace Nunn | (Holland Sports AC) | 1 HEAT 3 | Kingsmeadow Stadium | 31 July 2021 |
| 13.37/+1.9 | | Alissa Jones-Aryeh | (Herne Hill Harriers) | 1 S-FINAL 1 | Kingsmeadow Stadium | 11 May 2024 |
(43) | 13.38/-1.3 | | Twinelle Hopeson | (Archbishop Tennison School, Croydon) | 1 HEAT 1 | Kingsmeadow Stadium | 15 May 2004 |
(44) | 13.39/-1.5 | | Charlotte Cole | (Walton AC) | 1 HEAT 1 | Kingsmeadow Stadium | 10 May 2003 |
| 13.39/-0.3 | | Maya Bruney | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 8 May 2010 |
| 13.39/+0.4 | | Ella Clark | (Crawley AC) | 2 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(47) | 13.4w/+5.2 | CBP | Janet Smith | (Mitcham AC) | 1 HEAT 1 | Motspur Park | 16 May 1981 |
| 13.4/-1.5 | | Ann Flannery | (Mitcham AC) | 1 FINAL | Motspur Park | 15 May 1982 |
| 13.4/-1.8 | | Amanda Hart | (Holland & Oxted AC) | 1 HEAT 1 | Tooting Bec | 14 May 1988 |
| 13.4/-1.3 | | Natasha Danvers | (Croydon Harriers) | 1 HEAT 1 | Croydon Arena | 18 May 1991 |
| 13.4/+2.8 | | Amelia Montegnani | (Herne Hill Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 12 May 2001 |
| 13.40/+0.8 | | Kayla Bowley | (Croydon Harriers) | 2 S-FINAL 2 | Kingsmeadow Stadium | 24 May 2014 |
| 13.40/-0.1 | | Toni Bryan | (Croydon Harriers) | 2 S-FINAL 1 | Kingsmeadow Stadium | 23 May 2015 |
| 13.40/-3.5 | | Indiana Marshall | (Woking AC) | 1 FINAL | Kingsmeadow Stadium | 11 May 2019 |
|
54 performances of 13.40 or better. |