| Senior Ladies | 400m Hurdles | 14 May 1977 | Motspur Park | 65.0 | | Janet Down | (Wigmore Ladies AC) |
| Senior Ladies | 400m Hurdles | 30 April 1978 | Motspur Park | 62.4 | CBP | Janet Martin | (Feltham AC) |
| Senior Ladies | 400m Hurdles | 29 April 1979 | Motspur Park | 63.3 | | Susan Dalgoutte | (Mitcham AC) |
| Senior Ladies | 400m Hurdles | 27 April 1980 | Motspur Park | 63.7 | | Lisa Thompson | (Surrey Beagles AC) |
| Senior Ladies | 400m Hurdles | 26 April 1981 | Motspur Park | 62.4 | CBP | Virginia Graham | (Guildford & Godalming AC) |
| Senior Ladies | 400m Hurdles | 25 April 1982 | Wimbledon Park | 63.9 | | Wendy-Ann Williams | (Herne Hill Harriers) |
| Senior Ladies | 400m Hurdles | 24 April 1983 | Croydon Arena | 63.9 | | Sharon Glover | (Croydon Harriers) |
| Senior Ladies | 400m Hurdles | 29 April 1984 | Croydon Arena | 64.9 | | Victoria Lee | (Woking AC) |
| Senior Ladies | 400m Hurdles | 28 April 1985 | Croydon Arena | 64.8 | | Victoria Lee | (Woking AC) |
| Senior Ladies | 400m Hurdles | 27 April 1986 | Tooting Bec | 61.0 | CBP | Victoria Lee | (Woking AC) |
| Senior Ladies | 400m Hurdles | 26 April 1987 | Tooting Bec | 61.9 | | Sharon Glover | (Croydon Harriers) |
| Senior Ladies | 400m Hurdles | 24 April 1988 | Sheerwater, Woking | 61.9 | | Sharon Glover | (Croydon Harriers) |
| Senior Ladies | 400m Hurdles | 23 April 1989 | Sheerwater, Woking | 62.1 | | Linda Dunglison | (Epsom & Ewell Harriers) |
| Senior Women | 400m Hurdles | 22 April 1990 | Sheerwater, Woking | 61.8 | | Clare Bleasdale | (Guildford & Godalming AC) |
| Senior Women | 400m Hurdles | 18 May 1991 | Croydon Arena | 62.4 | | Clare Bleasdale | (Guildford & Godalming AC) |
| Senior Women | 400m Hurdles | 16 May 1992 | Croydon Arena | 61.9 | | Clare Bleasdale | (Guildford & Godalming AC) |
| Senior Women | 400m Hurdles | 15 May 1993 | Croydon Arena | 61.4 | CBP | Clare Bleasdale | (Guildford & Godalming AC) |
| Senior Women | 400m Hurdles | 15 May 1994 | Croydon Arena | 59.0 | CBP | Clare Bleasdale | (Guildford & Godalming AC) |
| Senior Women | 400m Hurdles | 14 May 1995 | Croydon Arena | 59.6 | | Louise Brunning | (Sutton & District AC) |
| Senior Women | 400m Hurdles | 12 May 1996 | Croydon Arena | 63.7 | | Katrina Norman | (Walton AC) |
| Senior Women | 400m Hurdles | 10 May 1997 | Wimbledon Park | 62.5 | | Katrina Norman | (Walton AC) |
| Senior Women | 400m Hurdles | 9 May 1998 | Kingsmeadow Stadium | 68.0 | | Vicki Goodwin | (Croydon Harriers / (Oxford U)) |
| Senior Women | 400m Hurdles | 8 May 1999 | Kingsmeadow Stadium | 62.6 | | Julia Bennett | (Epsom & Ewell Harriers) |
| Senior Women | 400m Hurdles | 13 May 2000 | Croydon Arena | 64.0 | | Judith Owen | (South London Harriers) |
| Senior Women | 400m Hurdles | 12 May 2001 | Kingsmeadow Stadium | 62.2 | | Ruth Brereton | (Herne Hill Harriers) |
| Senior Women | 400m Hurdles | 12 May 2002 | Kingsmeadow Stadium | 61.08 | | Jennifer Culley | (Belgrave Harriers) |
| Senior Women | 400m Hurdles | 11 May 2003 | Kingsmeadow Stadium | 59.93 | | Susan Williams | (Walton AC) |
| Senior Women | 400m Hurdles | 16 May 2004 | Kingsmeadow Stadium | 60.0 | | Susan Williams | (Birchfield Harriers) |
| Senior Women | 400m Hurdles | 15 May 2005 | Kingsmeadow Stadium | 60.29 | | Susie McLoughlin | (Birchfield Harriers) |
| Senior Women | 400m Hurdles | 14 May 2006 | Kingsmeadow Stadium | 61.37 | | Susie McLoughlin | (Birchfield Harriers) |
| Senior Women | 400m Hurdles | 13 May 2007 | Kingsmeadow Stadium | 61.8 | | Emily Parker | (Epsom & Ewell Harriers) |
| Senior Women | 400m Hurdles | 11 May 2008 | Kingsmeadow Stadium | 62.05 | | Emily Parker | (Epsom & Ewell Harriers) |
| Senior Women | 400m Hurdles | 10 May 2009 | Kingsmeadow Stadium | 63.21 | | Susie McLoughlin | (Walton AC) |
| Senior Women | 400m Hurdles | 9 May 2010 | Kingsmeadow Stadium | 65.41 | | Jessica Case | (South London Harriers) |
| Senior Women | 400m Hurdles | 15 May 2011 | Kingsmeadow Stadium | 62.96 | | Susie McLoughlin | (Walton AC) |
| Senior Women | 400m Hurdles | 13 May 2012 | Kingsmeadow Stadium | 64.23 | | Jodie Favell | (Belgrave Harriers) |
| Senior Women | 400m Hurdles | 26 May 2013 | Kingsmeadow Stadium | 64.97 | | Jodie Favell | (Belgrave Harriers) |
| Senior Women | 400m Hurdles | 15 May 2016 | Kingsmeadow Stadium | 68.25 | | Jodie Albrow | (Belgrave Harriers) |
| Senior Women | 400m Hurdles | 14 May 2017 | Kingsmeadow Stadium | 64.08 | | Emma Nanson | (Aldershot, Farnham & District AC) |
| Senior Women | 400m Hurdles | 13 May 2018 | Kingsmeadow Stadium | 67.58 | | Hannah Knights | (Guildford & Godalming AC) |
| Senior Women | 400m Hurdles | 12 May 2019 | Kingsmeadow Stadium | 57.80 | CBP | Jessie Knight | (Windsor, Slough, Eton & Hounslow AC) |
| Senior Women | 400m Hurdles | 1 August 2021 | Kingsmeadow Stadium | 56.26 | CBP | Nicole Kendall | (Thames Valley Harriers) |
| Senior Women | 400m Hurdles | 15 May 2022 | Kingsmeadow Stadium | 55.58 | CBP | Jessie Knight | (Windsor, Slough, Eton & Hounslow AC) |
| Senior Women | 400m Hurdles | 14 May 2023 | Kingsmeadow Stadium | 59.66 | | Nicole Kendall | (Thames Valley Harriers) |
