(1) | 11.2 | | Ricky Alexis-Smith | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2001 |
(2) | 11.21/-0.9 | | Daniel Davis | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 11 May 2002 |
(3) | 11.5y | CBP | Don Danvers | (William Penn School, Dulwich) | 1 FINAL | Crystal Palace | 23 July 1968 |
| 11.50/-0.2 | | Sawa Yamakawa | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(5) | 11.59/-0.2 | | Obi Onyejekwe | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(6) | 11.6 | | Daniel Davis | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 13 May 2001 |
(7) | 11.67/-1.0 | | Stuart Price | (Kingston AC & Polytechnic Harriers) | 1 FINAL | Kingsmeadow Stadium | 15 May 2004 |
(8) | 11.7 | | Brett St Louis | (Herne Hill Harriers) | 1 FINAL | Motspur Park | 16 May 1983 |
(9) | 11.72/-0.8 | | Samuel Tsolo | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(10) | 11.73/-0.8 | | Isaiah Easy-Riley | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(11) | 11.8y | | Barry Quirk | (Belgrave Harriers) | 2 FINAL | Crystal Palace | 23 July 1968 |
(12) | 11.83/-1.1 | | Alessio Udoka Anah | (Crawley AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2018 |
(13) | 11.88/+0.5 | | Jacob Paul | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 2009 |
(14) | 11.9y | | R Cunningham | (Rutlish S) | 1 FINAL | Wimbledon Park | 17 May 1969 |
| 11.9/-1.7 | | Richard Alexis-Smith | (Sutton & District AC) | 1 FINAL | Croydon Arena | 14 May 2000 |
(16) | 11.92/-1.4 | | Ashton Mckay | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2019 |
(17) | 11.94/-1.2 | | Stuart Price | (Kingston AC & Polytechnic Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 15 May 2004 |
(18) | 11.95 | | Scott Thomas | (Camberley & District AC) | 1 FINAL | Kingsmeadow Stadium | 8 May 2010 |
(19) | 11.96 | | Reece Young | (South London Harriers) | 2 FINAL | Kingsmeadow Stadium | 8 May 2010 |
(20) | 11.97/-2.4 | | Ade Adeniran | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 25 May 2013 |
(21) | 11.99/-0.6 | | Ezra Rodriques | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(22) | 12.0y | | Andy Baker | (Tulse Hill School) | 3 FINAL | Crystal Palace | 23 July 1968 |
| 12.0 | | Brett St Louis | (Herne Hill Harriers) | 1 HEAT 2 | Motspur Park | 16 May 1983 |
| 12.0 | | G Gardner | (Belgrave Harriers) | 2 HEAT 2 | Motspur Park | 16 May 1983 |
(25) | 12.01/-0.6 | | Josh Watson | (Holland Sports AC) | 2 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(26) | 12.05/-0.9 | | Jordan Roye | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2002 |
(27) | 12.1y | | Everette Thomas | (Tulse Hill School) | 2 FINAL | Wimbledon Park | 17 May 1969 |
| 12.1 | | C Murray | (Herne Hill Harriers) | 1 FINAL | Wimbledon Park | 9 May 1970 |
| 12.1/+0.5 | | Dominic Saban | (Sutton & District AC) | 1 FINAL | Stompond Lane, Walton | 16 June 1996 |
| 12.10 | | Tim Sinclair | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 27 July 1997 |
| 12.10 | | Lawrence Munro | (Walton AC) | 2 FINAL | Kingsmeadow Stadium | 27 July 1997 |
(32) | 12.11/-1.5 | | Max Leon | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(33) | 12.14/-0.9 | | Nick Canty | (Croydon Harriers) | 3 FINAL | Kingsmeadow Stadium | 11 May 2002 |
(34) | 12.15 | | Kieran Edward | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 10 May 2003 |
(35) | 12.17/-0.1 | | Patrick Amon | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2017 |
| 12.17/-1.1 | | Liam Macdonald | (Kingston AC & Polytechnic Harriers) | 2 FINAL | Kingsmeadow Stadium | 12 May 2018 |
(37) | 12.19/-1.5 | | Max Orchard | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(38) | 12.2/+1.3 | | Ajay Kapoor | (Woking AC) | 1 FINAL | Croydon Arena | 19 May 1991 |
(39) | 12.22/-1.1 | | Rory Whelan | (Camberley & District AC) | 3 FINAL | Kingsmeadow Stadium | 12 May 2018 |
(40) | 12.23/-0.8 | | Alex Giles | (Blackheath & Bromley Harriers AC) | 3 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(41) | 12.25/-2.5 | | Sean Rafique | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2012 |
(42) | 12.26/-0.1 | | Xander Collins | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 13 May 2017 |
| 12.26/-1.4 | | Luke Dronfield | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 11 May 2019 |
(44) | 12.3y | | Mike Simmons | (Mitcham AC) | 4 FINAL | Crystal Palace | 23 July 1968 |
| 12.3y | | M Simmons | (Mitcham AC) | 3 FINAL | Wimbledon Park | 17 May 1969 |
| 12.3 | | D Mattos | (Wandsworth School) | 1 HEAT 1 | Motspur Park | 16 May 1983 |
| 12.3/-1.4 | | J Drummond | (Croydon Harriers) | 1 FINAL | Croydon Arena | 17 May 1992 |
(48) | 12.31/-2.2 | | Matthew Walcott | (Whitgift School, Croydon) | 1 FINAL | Kingsmeadow Stadium | 13 May 2006 |
(49) | 12.32/-0.2 | | Hayden Young | (Reigate Priory AC) | 3 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(50) | 12.33/-0.8 | | Joe Timba | (Kingston AC & Polytechnic Harriers) | 4 FINAL | Kingsmeadow Stadium | 11 May 2024 |
|
50 performances of 12.33 or better. |