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Adabre, M A and Chan, A P (2020) Towards a sustainability assessment model for affordable housing projects: the perspective of professionals in Ghana. Engineering, Construction and Architectural Management, 27(09), 2523–51.

  • Type: Journal Article
  • Keywords: Affordable housing; Low‐cost housing; Public housing; Sustainable housing; Criteria; Success Index; Assessment criteria; Indicators;
  • ISBN/ISSN: 0969-9988
  • URL: https://doi.org/10.1108/ECAM-08-2019-0432
  • Abstract:
    This paper presents a sustainability assessment model to holistically guide sustainable construction and green retrofitting of affordable housing from the Ghanaian perspective.Design/methodology/approach A comprehensive review was carried out, which yielded 16 sustainability indicators. Then, a questionnaire survey was conducted among respondents in the Ghanaian housing sector. Forty-seven valid responses were received and analysed using fuzzy synthetic evaluation (FSE) technique.Findings A four-index model was developed that includes: Housing and Transportation (H + T) index, household-satisfaction index, efficient stakeholder-management index and quality-related index. These indices account for 25.3%, 26.3%, 23.6% and 24.9% of sustainability attainment in affordable housing, respectively. Accordingly, household-satisfaction has the greatest contribution to sustainability attainment in affordable housing.Research limitations/implications Due to challenges in obtaining responses to the questionnaire, the study was conducted with relatively small number of responses.Originality/value The model serves as a tool that could be used to objectively and comprehensively assess sustainability performance in affordable housing. Besides, it could be used as a baseline to calibrate future projects and for benchmarking success levels of comparable housing projects. Finally, the estimated indices are applicable in decision making for optimum resource allocation for sustainable low-cost housing in the Ghanaian perspective.