The Constitution of NEHAWU says that the National Congress must meet at least once every three years.

* 9th National Congress - Birchwood Hotel- Boksburg - 27-30 September 2010
* 8th National Congress - George Bou Conference Centre - Pretoria - 26-29 June 2007
* 7th National Congress - George Bou Conference Centre - Pretoria - 27 - 30 June 2004
* 6th National Congress - Esselen Park Conference Centre, Kempton Park from Thursday 26 April - Sunday 29 April 2001.