Multicriteria Decision Making for Homeowners’ Participation in Building Maintenance

Abstract

As the residential building stocks in most developed cities are getting older, there is an urgent call for the management of the stocks in a more sustainable manner. Although redevelopment can completely revamp the quality of housing, this approach is far from perfect because of its negative social and environmental effects. In fact, timely maintenance can achieve sustainable housing stock management in theory. However, in a high-rise setting, a large number of homeowners are involved in the maintenance of communal building elements. Conflicts occur because of the divergent interests of different stakeholders in deciding on the way forward for a maintenance project, eventually holding the work back. Against this background, this study explores the relative importance of different criteria for decision making in the maintenance of multiowned residential buildings in Hong Kong. Through a literature review, a set of decision-making criteria were identified. The weightings of these criteria perceived by homeowners were evaluated using the nonstructural fuzzy decision support system. The results of the analysis showed that cost affordability of maintenance work and existing building conditions generally dominated the decision-making process. Practical implications for urban managers and public administrators in formulating the strategies to promote housing maintenance then follow.

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