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Purpose This study aims to identify the challenges facing innovative startups in the construction environment, recommending possible self-help measures and society support. Design/methodology/approach A comprehensive literature survey informed a questionnaire survey on built environment startups in Hong Kong, followed by a statistical analysis and supplemented by written views of respondents. Validation by experts confirms the survey results. Findings Triangulated findings highlight the problems of conservative policies, investors’ preference on short payback periods, price competition, high operation cost and a lack of promotion channels. The firm’s size and its age differentiate its networking and fund-raising capabilities. Research limitations/implications While the survey samples cover the spread of startups in Hong Kong’s construction/real estate industries well, the number is still limited because the city is relatively compact. The barriers and solutions may be particularly relevant to the built environment there, but also worth noting elsewhere. Practical implications Built environment startups are emerging and their path of development is obscured by industry barriers. While the findings reflect the current situation in Hong Kong, which is a metropolitan city with a vibrant construction market, government policies may present a varying factor in different economies. Conservatism in the construction industry may also be a hindrance, but gradual signs of improvements are seen. Originality/value The recommendations provided may help mitigate the problems of startup growth. They also provide insights into the construction “startup eco-system” worth the attention of policy makers and project managers, who may make better use of the innovative technology and services of built environment startups if the difficulties are alleviated.

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PurposeThe capacity of landfills will reach saturation in the 2020s. There are more than 50,000 buildings in Hong Kong over 30 years old and which may require extensive refurbishment under the Mandatory Building Scheme. Additionally, most new owners/tenants tend to renovate their premises before moving in. Hence, there is an urgent need in Hong Kong, to explore strategies and measures to enable the development of effective refurbishment and renovation (R&R) waste management for such projects. The objectives of this paper are to investigate the process of R&R for identifying the perceived barriers and thereby the strategies for minimisation and management of R&R waste in Hong Kong.Design/methodology/approachDesktop study, semi-structured interviews, site observations and document reviews were used as the data collection methods to achieve the objectives of this research. Considering the nature and characteristics of the industry structure, the snowball sampling process was deployed for data collection. Thematic analysis and content analysis were used for data analysis. Waste minimisation and management strategies for R&R projects were then discussed and developed by the research team and a focus group meeting was held to validate the research findings. Six strategies were then proposed to the government.FindingsR&R projects contribute 10–20% of the construction and demolition waste. The barriers to recycling of R&R waste can be grouped into six major categories: (1) lack of sorting and storage spaces, (2) high cost, (3) insufficient government supporting policy, (4) complicated recycling processes, (5) immature recycling market and (6) insufficient public education. Also, six strategies are proposed in this study, which include (1) pre-refurbishment audit, (2) development of recycling market, (3) sea reclamation, (4) incineration, (5) government support and (6) education and research.Originality/valueThe strategies and measures proposed in this research could most adequately serve as reference for the government officials, building professionals and academic researchers. Such knowledge would make possible the development of effective strategies and measures for minimising and managing R&R waste.