Abstract
Abstract Sustainability has been advocated in the housing sector in developing nations but its adoption is hampered with myriads of barriers. This study investigates the critical impediments to sustainable housing delivery. To achieve this, 18 commonly used barriers in existing literature were selected for investigation in this study. Structured questionnaires were administered to 91 housing developers within metropolitan Lagos, Nigeria and analyzed using both weighted mean and factor analysis. The ranking and normalization analysis showed that out of these investigated barriers, deficiency in government motivations for sustainable housing, non-existence of sustainability enforcement and the absence of information on the sustainable building technologies database were the topmost three critical challenges to sustainable housing delivery. The factor analysis also showed that the underlying factor groupings of the critical barriers can be classified into technology and cost, knowledge and awareness, policy implementation, client and economic related barriers. These research findings have added to the sustainable housing literature within the context of Nigeria. They also create a reliable blueprint which would assist all stakeholders in taking the sustainable approach to ameliorate these impediments, thus promoting sustainability attainment in housing delivery.
Highlights
The housing industry, a major sector of the construction industry, is generally agreed to have a harmful but good impact on the social, environmental and economic components of a nation
The findings are presented using both the mean score and factor analytical approach to show the critical barriers to the implementation, promotion and adoption of sustainable housing delivery in Lagos Nigeria
The adoption of sustainable housing delivery in Nigeria has been hampered with myriads of barriers
Summary
The housing industry, a major sector of the construction industry, is generally agreed to have a harmful but good impact on the social, environmental and economic components of a nation. Chan et al, (2016) revealed that, in most developed and developing countries, construction-related activities (housing development inclusive) consume products comprising of 70% cement and 25% steel This connotes that the industry is noted for its high level of resource consumption over the years. Maliene and Malys (2009) submitted that the delivery of housing should reduce greenhouse gas emissions, ensure effective resources usage and enhance GDP, this has sadly not been the case over the years. To avert this abnormality, effort has been directed towards the adoption of sustainable development in the housing industry (Chan et al, 2016). Chan et al, (2016) submitted that, as a result of the benefits inherent in sustainable housing delivery in recent decades, its adoption in most nations is very important
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