The main purpose of most building facilities is to provide suitable workspace ([23] Muir, 2003). Workspaces have a profound impact on organisational performance and their specification and design are growing in importance ([29] Steiner, 2005). Over the years a comprehensive range of office space planning designs have been developed to meet diverse individual and organisational needs ([29] Steiner, 2005). There are four levels in designing office space ([37] Worthington, 1994):