The Committee on the Safety of Nuclear Installations (CSNI) Working Group on Human and Organisational Factors (WGHOF) is tasked to improve the current understanding of human and organisational performance and the way in which this impacts upon nuclear safety. In order to further the understanding of human and organisational performance during maintenance, WGHOF hosted an international workshop in 2005 entitled “Better Nuclear Plant Maintenance: Improving Human and Organisational Performance”. This technical opinion paper (TOP) represents the consensus of specialists in human and organisational factors (HOF) in the NEA member countries on commendable practices and approaches to incorporating a suitable treatment of HOF when managing, assessing, and regulating maintenance programmes in nuclear facilities.