Douglas Aghimien is a Post-Doctoral Research fellow at the cidb Centre of Excellence Faculty of Engineering and the Built Environment, University of Johannesburg, South Africa. Clinton Aigbavboa is the Director of the cidb Centre of Excellence & Sustainable Human Settlement and Construction Research Centre, University of Johannesburg, South Africa. Ayodeji Oke is a Senior Lecturer at the Department of Quantity Surveying, School of Environmental Technology, Federal University of Technology Akure, Nigeria. Wellington Thwala is the Chair of SARChl in Sustainable Construction Management and Leadership in the Built Environment, Faculty of Engineering and the Built Environment, University of Johannesburg, South Africa.