Abstract
With the rapid development of urbanization worldwide, there is a large volume of neighborhoods that need to be renewed with various problems such as poor building performance, few public facilities, congested road traffic, unequal living standards, disappearing community culture, and deprived environments. Performance evaluations are considered to be useful tools for ensuring the outcomes of sustainable renewal. Although many research works have assessed the performances of urban renewal projects, evaluations, especially for neighborhood renewal projects, are often overlooked. Besides, it is also hard to find a general standard that is suitable for evaluating the performance of any neighborhood renewal project with a lack of related regulations or codes. Thus, this paper intends to build a framework to assess the relative performances of multiple neighborhood renewal projects through a hybrid AHP-TOPSIS method. A case study in Nanjing, China, is used to show how this framework could be applied to decision-making in order to pursue sustainable neighborhood renewal. The results are expected to provide references for sustainable renewal in each neighborhood. Suggestions related to the findings are proposed to further improve the performances of neighborhood renewal projects, such as establishing a multiple principle–agent framework, providing a sustainable funding system from both the public and private sector, and implementing multiprogram management measures.
Highlights
Urban renewal has been recognized as a major approach to promoting land values and improving the quality of the environment and human life [1]
After getting the weight for each indicator, the relative performances of sample old neighborhood renewal (ONR) projects were utilized by the TOPSIS technique with Equations (1)–(2) and (7)–(15)
Existing studies have rarely focused on the assessment of neighborhood renewal projects
Summary
Urban renewal has been recognized as a major approach to promoting land values and improving the quality of the environment and human life [1]. Some national assessment tools have been developed and have been commonly in use over the years to promote the high performance of neighborhoods in developed countries [18,19,20], e.g., the Leadership in Energy and Environmental Design for Neighborhood Development (LEED-ND, US), the Building Research Establishment Environmental Assessment Method for Communities (BREEAM Communities, UK) and the Comprehensive Assessment System for Building Environmental Efficiency for urban development (CASBEE UD, Japan) Those methods are structured according to local requirements, in which the objectives, evaluation criteria, and sustainable indexes are verily defined [20]. Many renewed neighborhoods are suffering a “return-back” scenario, which means the neighborhoods will return to their poor situation before the regeneration This fails to meet the initial objective of neighborhood renewal, i.e., to improve, maintain, and upgrade the living environment and life qualities of an entire nation [17]. N means that the specific source did not use this category
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