(1) | 11.74/+1.9 | CBP | Imani Lansiquot | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(2) | 11.91/+1.8 | | Isabella Akpoveta | (Crawley AC) | 1 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(3) | 11.92/NWR | | Imani Lansiquot | (Sutton & District AC) | 1 HEAT 1 | Kingsmeadow Stadium | 24 May 2014 |
(4) | 12.0y | CBP | Jill Hall | (Mitcham AC) | - HEATS | Wimbledon Park | 18 May 1963 |
| 12.0 | | Janet Stroud | (Feltham AC) | 1 FINAL | Wimbledon Park | 31 May 1969 |
| 12.0/+2.0 | =CBP | Lynne Draper | (Redhill & Reigate AC) | 1 FINAL | Motspur Park | 15 May 1982 |
(7) | 12.02/+0.5 | | Isabella Akpoveta | (Crawley AC) | 1 HEAT 1 | Kingsmeadow Stadium | 11 May 2024 |
(8) | 12.06/-1.4 | | Joscelynn Hopeson | (Archbishop Tennison School, Croydon) | 1 FINAL | Kingsmeadow Stadium | 15 May 2004 |
(9) | 12.1y/w/a | CBP | Jenny Taylor | (Mitcham AC) | 1 FINAL | Croydon Arena | 20 May 1961 |
| 12.1y | =CBP | Jill Hall | (Mitcham AC) | 1 FINAL | Wimbledon Park | 19 May 1962 |
| 12.1/+2.0 | | Sharron Burke | (Croydon Harriers) | 2 FINAL | Motspur Park | 15 May 1982 |
| 12.10/+0.5 | | Charmont Webster-Tape | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(13) | 12.11/-2.4 | | Imani Lansiquot | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 25 May 2013 |
(14) | 12.13/+0.9 | | Charmont Webster-Tape | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(15) | 12.14/+1.9 | | Ashleigh Clarke | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(16) | 12.15/+0.5 | | Olivia Okoli | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(17) | 12.2y/w/a | | J Stride | (Mitcham AC) | 2 FINAL | Croydon Arena | 20 May 1961 |
| 12.2y/+2.1 | | Jill Hall | (Mitcham AC) | 1 FINAL | Wimbledon Park | 18 May 1963 |
| 12.2y | | Nicola Murray | (Woking AC) | 1 FINAL | Wimbledon Park | 13 May 1967 |
| 12.2y | | Janet Stroud | (Feltham AC) | 1 FINAL | Wimbledon Park | 25 May 1968 |
| 12.2 | | Andrea Lynch | (Selsonia Ladies AC) | 2 FINAL | Wimbledon Park | 31 May 1969 |
| 12.2 | | Rosemary Leech | (Mitcham AC) | - HEATS | Wimbledon Park | 22 May 1971 |
| 12.2 | | Shirley Thomas | (Selsonia Ladies AC) | 1 S-FINAL 1 | Motspur Park | 12 May 1979 |
| 12.2/0.0 | | Janet Smith | (Mitcham AC) | 1 FINAL | Motspur Park | 18 May 1985 |
| 12.2/+0.5 | | Donna Fraser | (Croydon Harriers) | 1 FINAL | Tooting Bec | 21 May 1989 |
| 12.2/+4.0 | | Dionne Howell | (Southwark AC) | 1 FINAL | Croydon Arena | 13 May 1995 |
| 12.2/+7.4 | | Jade Johnson | (Herne Hill Harriers) | 1 S-FINAL 1 | Croydon Arena | 13 May 1995 |
(28) | 12.21/-1.6 | | Joscelynn Hopeson | (Archbishop Tennison School, Croydon) | 1 HEAT 1 | Kingsmeadow Stadium | 15 May 2004 |
| 12.21/+2.6 | | Charmont Webster-Tape | (Sutton & District AC) | 1 HEAT 1 | Kingsmeadow Stadium | 23 May 2015 |
| 12.21/+1.8 | | Liliana Richardson | (Epsom & Ewell Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(31) | 12.25/+2.9 | | Liliana Richardson | (Epsom & Ewell Harriers) | 1 HEAT 3 | Kingsmeadow Stadium | 11 May 2024 |
(32) | 12.26/+0.9 | | Lucy Hoad | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(33) | 12.28/+1.8 | | Lucy Hoad | (Sutton & District AC) | 1 HEAT 3 | Kingsmeadow Stadium | 23 May 2015 |
| 12.28/+0.5 | | Tosin Salami | (Croydon Harriers) | 3 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(35) | 12.29/0.0 | | Joscelynn Hopeson | (Archbishop Tennison School, Croydon) | 1 FINAL | Kingsmeadow Stadium | 10 May 2003 |
(36) | 12.3y | | Madeleine Weston | (Selsonia Ladies AC) | 1 FINAL | Croydon Arena | 26 May 1956 |
| 12.3y | =CBP | Jenny Taylor | (Mitcham AC) | 1 FINAL | Croydon Arena | 21 May 1960 |
| 12.3y | | Nicola Murray | (Woking AC) | 1 FINAL | Wimbledon Park | 14 May 1966 |
| 12.3 | | Shirley Thomas | (Selsonia Ladies AC) | 1 HEAT 3 | Motspur Park | 12 May 1979 |
| 12.3 | | Shirley Thomas | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 12 May 1979 |
| 12.3 | | Elaine Mitchell | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 16 May 1981 |
| 12.3/0.0 | | Sharron Burke | (Croydon Harriers) | 1 FINAL | Motspur Park | 21 May 1983 |
| 12.3/0.0 | | Sharron Burke | (Croydon Harriers) | 1 HEAT 1 | Motspur Park | 21 May 1983 |
| 12.3/0.0 | | Janet Smith | (Mitcham AC) | 1 FINAL | Motspur Park | 19 May 1984 |
| 12.3w/+2.5 | | Donna Fraser | (Croydon Harriers) | 1 HEAT 1 | Tooting Bec | 21 May 1989 |
| 12.3/+4.0 | | Jade Johnson | (Herne Hill Harriers) | 2 FINAL | Croydon Arena | 13 May 1995 |
| 12.3/+1.7 | | Jade Johnson | (Herne Hill Harriers) | 1 S-FINAL 2 | Croydon Arena | 11 May 1996 |
| 12.3/-1.6 | | Sarah Zawada | (Aldershot, Farnham & District AC) | 1 FINAL | Wimbledon Park | 11 May 1997 |
| 12.3/-0.8 | | Anisha Barnaby | (Blackheath Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 1999 |
| 12.30/+1.8 | | Ella Rennie | (Herne Hill Harriers) | 3 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(51) | 12.31/+1.8 | | Tosin Salami | (Croydon Harriers) | 2 HEAT 3 | Kingsmeadow Stadium | 23 May 2015 |
(52) | 12.34/-0.6 | | Lakeisha Owusu-Junior | (Herne Hill Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 13 May 2017 |
(53) | 12.36/-1.5 | | Imani Lansiquot | (Sutton & District AC) | 1 HEAT 1 | Kingsmeadow Stadium | 25 May 2013 |
| 12.36/+0.9 | | Tosin Salami | (Croydon Harriers) | 3 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(55) | 12.39/+0.5 | | Natasha Alfred | (Herne Hill Harriers) | 4 FINAL | Kingsmeadow Stadium | 14 May 2016 |
| 12.39/-0.2 | | Lakeisha Owusu-Junior | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2017 |
| 12.39/-2.0 | | Toni Bryan | (Croydon Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 11 May 2019 |
(58) | 12.4y/w/a | | Jean Carrington | (Mitcham AC) | 3 FINAL | Croydon Arena | 20 May 1961 |
| 12.4y/w/a | | Elizabeth West | (Mitcham AC) | 4 FINAL | Croydon Arena | 20 May 1961 |
| 12.4y | | D Fowler | (Hercules AC) | HEATS | Wimbledon Park | 19 May 1962 |
| 12.4y | | Jean Carrington | (Mitcham AC) | 2 FINAL | Wimbledon Park | 19 May 1962 |
| 12.4y | | Celia Biggs | (Kingston AC) | 3 FINAL | Wimbledon Park | 19 May 1962 |
| 12.4y/+2.1 | | Celia Biggs | (Kingston) | 2 FINAL | Wimbledon Park | 18 May 1963 |
| 12.4y | | Linda Hagen | (London Olympiades AC) | 2 FINAL | Wimbledon Park | 13 May 1967 |
| 12.4y | | Barbara-Anne Barrett | (Mitcham AC) | 3 FINAL | Wimbledon Park | 13 May 1967 |
| 12.4y | | Sharon Smyth | (Mitcham AC) | 4 FINAL | Wimbledon Park | 13 May 1967 |
| 12.4 | | Shirley Biggs | (Croydon Harriers) | 1 FINAL | Wimbledon Park | 16 May 1970 |
| 12.4 | | Rosemary Leech | (Mitcham AC) | 1 FINAL | Wimbledon Park | 22 May 1971 |
| 12.4 | | Eleanor Thomas | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 7 June 1975 |
| 12.4 | | Elaine Mitchell | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 17 May 1980 |
| 12.4/0.0 | | Michelle Erskine | (Croydon Harriers) | 2 FINAL | Motspur Park | 19 May 1984 |
| 12.4/+1.3 | | Annabel Soper | (Croydon Harriers) | 1 FINAL | Tooting Bec | 17 May 1987 |
| 12.4/+0.7 | | Donna Fraser | (Croydon Harriers) | 1 FINAL | Tooting Bec | 15 May 1988 |
| 12.4/-0.4 | | Donna Fraser | (Croydon Harriers) | 1 S-FINAL 2 | Tooting Bec | 15 May 1988 |
| 12.4/+1.6 | | Donna Fraser | (Croydon Harriers) | 1 S-FINAL 1 | Tooting Bec | 21 May 1989 |
| 12.4/+1.2 | | Valerie Theobalds | (Mitcham & Sutton AC) | 1 S-FINAL 2 | Tooting Bec | 21 May 1989 |
| 12.4/+0.5 | | Valerie Theobalds | (Mitcham & Sutton AC) | 2 FINAL | Tooting Bec | 21 May 1989 |
| 12.4/+1.4 | | Wooday Sidibe | (Croydon Harriers) | 1 HEAT 1 | Croydon Arena | 15 May 1994 |
| 12.4/+3.6 | | E Dengate | (Guildford & Godalming AC) | 1 HEAT 2 | Croydon Arena | 15 May 1994 |
| 12.4/+6.6 | | Dionne Howell | (Southwark AC) | 1 HEAT 3 | Croydon Arena | 13 May 1995 |
| 12.4/+6.0 | | Helen Pryer | (Camberley & District AC) | 1 HEAT 1 | Croydon Arena | 13 May 1995 |
| 12.4/+7.4 | | Helen Pryer | (Camberley & District AC) | 2 S-FINAL 1 | Croydon Arena | 13 May 1995 |
| 12.4/-3.2 | | Sarah Zawada | (Aldershot, Farnham & District AC) | 1 FINAL | Kingsmeadow Stadium | 9 May 1998 |
| 12.4/-0.8 | | Jade Lucas-Read | (Hercules Wimbledon AC) | 2 FINAL | Kingsmeadow Stadium | 9 May 1999 |
(85) | 12.41/+0.8 | | Indiana Marshall | (Blackheath & Bromley Harriers AC) | 1 S-FINAL 1 | Kingsmeadow Stadium | 13 May 2023 |
(86) | 12.42/0.0 | | Donna Walker | (South London Harriers) | 2 FINAL | Kingsmeadow Stadium | 10 May 2003 |
| 12.42/-2.0 | | Olivia Okoli | (Guildford & Godalming AC) | 1 HEAT 3 | Kingsmeadow Stadium | 14 May 2016 |
(88) | 12.43/-2.2 | | Amanda Obijiaku | (South London Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2019 |
| 12.43/+0.5 | | Ella Rennie | (Herne Hill Harriers) | 2 HEAT 1 | Kingsmeadow Stadium | 11 May 2024 |
(90) | 12.44/-1.6 | | Dominique Blaize | (Kingston AC & Polytechnic Harriers) | 2 HEAT 1 | Kingsmeadow Stadium | 15 May 2004 |
| 12.44/-1.7 | | Jade Phillips | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2007 |
| 12.44/-0.6 | | Davina Boateng Ansah | (South London Harriers) | 2 HEAT 1 | Kingsmeadow Stadium | 13 May 2017 |
(93) | 12.45/+0.6 | | Kandi Ejiofor | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2005 |
| 12.45/+0.9 | | Natasha Alfred | (Herne Hill Harriers) | 4 FINAL | Kingsmeadow Stadium | 23 May 2015 |
| 12.45/-3.3 | | Charmont Webster-Tape | (Sutton & District AC) | 1 HEAT 1 | Kingsmeadow Stadium | 14 May 2016 |
| 12.45/0.0 | | Toni Bryan | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2018 |
| 12.45/+0.3 | | Toni Bryan | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 12 May 2018 |
| 12.45/-2.2 | | Toni Bryan | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2019 |
(99) | 12.46/+1.1 | | Twinelle Hopeson | (Croydon Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 10 May 2008 |
| 12.46/-2.4 | | Ashleigh Clarke | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 25 May 2013 |
| 12.46/-0.8 | | Indiana Marshall | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2023 |
|
101 performances of 12.46 or better. |