In 2001, Edwards joined London Wasps in rugby union as a defence and backs coach, taking over as head coach in 2005 after Warren Gatland returned to New Zealand. Wasps won the English Rugby Union Championship three times in succession, in 2003, 2004 and 2005, and the Heineken Cup in 2004. During his reign as Head Coach London Wasps won the Anglo-Welsh Cup in 2006, the Heineken Cup in 2007 and the English Rugby Union Championship in 2008.
