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Proper performance assessment of residential building renovation is crucial to sustainable urban development. However, a comprehensive review of the literature in this research domain is lacking. This study aims to uncover the study trend, research hotspots, prominent contributors, research gaps and directions in this field.

With a hybrid review approach adopted, relevant literature was examined in three stages. In Stage 1, literature retrieved from Scopus was screened for their relevance to the study topic. In Stage 2, bibliographic data of the shortlisted literature underwent scientometric analyses by the VOSviewer software. Finally, an in-depth qualitative review was made on the key literature.

The research hotspots in performance assessment of residential building renovation were found: energy efficiency, sustainability, thermal comfort and life cycle assessment. After the qualitative review, the following research gaps and future directions were unveiled: (1) assessments of retrofits incorporating renewable energy and energy storage systems; (2) evaluation of policy options and financial incentives to overcome financial constraints; (3) establishment of reliable embodied energy and carbon datasets; (4) indoor environment assessment concerning requirements of COVID-19 prevention and involvement of water quality, acoustic insulation and daylighting indicators; and (5) holistic decision-making model concerning residents' intentions and safety, health, well-being and social indicators.

Pioneered in providing the first comprehensive picture of the assessment studies on residential building renovations, this study contributes to offering directions for future studies and insights conducive to making rational decisions for residential building renovations.

This paper aims to review the current state of building decay in Hong Kong, and attempts to identify and analyze the perceived benefits of implementing the Mandatory Building Inspection Scheme (MBIS) via an industry-wide empirical questionnaire survey.

A total of 340 professional respondents who have gained hands-on experience in either new building works or building management or building repair/maintenance were requested to complete a survey questionnaire to indicate the relative importance of those benefits identified in relation to MBIS. The perceived benefits were measured, ranked and compared according to the different roles of industrial practitioners, and between the residents in private premises and those in public estates.

The survey findings suggested the most significant benefits derived from implementing MBIS to be: raise the overall building safety toward residents and the general public; create more job openings and business opportunities in building repair and maintenance services; and MBIS is an effective solution to address the problems with building decay (e.g. dilapidation and control over the existing unauthorized building works). The results of factor analysis indicated that the 13 perceived benefits of implementing MBIS were consolidated under three underlying factors: addressing building dilapidation and assuring building safety; improving the living environment and upgrading property values; and creating more job openings and business opportunities.

As MBIS was officially launched on June 30, 2012, it is expected to be one of the proposed effective measures in resolving the long-standing problems of building neglect and deterioration in Hong Kong and overseas, especially to those existing old private premises.

In the long run, the number of prematurely ageing buildings would be reduced, and the service life span of existing private premises would be prolonged. This is in line with the sustainability principle of providing a better living and the working environment within the community as a whole.

The concept of aging-in-place has gained notable significance in the last decade due to a dramatic demographic shift in global population dynamics that have considerably affected the ability of societies to adequately cater for their aging population. This paper examines some of the barriers to aging-in-place in the context of health needs, housing design and the role of retrofitting/smart home technologies in overcoming these barriers.

Using a narrative literature review approach, the authors undertook a comprehensive search of recent relevant literature focusing on five core thematic areas: health and aging, aging in place, barriers to aging in place, retrofitting and smart home technologies for successful aging in place. The authors entered appropriate keywords into interdisciplinary research databases and synthesized a coherent narrative discussing the thematic areas using the data extracted from the literature search.

There is a bidirectional relationship between aging and the home environment. Barriers to aging-in-place are mainly related to progressive decline in health, which alters the environmental needs of individuals. Appropriate building designs can significantly facilitate aging-in-place. The authors, therefore, highlight the role of retrofitting and smart home technologies as practical solutions to the challenges of the aging-in-place.

Forward planning in building design is essential to guarantee that the home environment is well adapted for the challenges of aging-in-place while also promoting healthy aging.

The paper shows the relationship between aging and the home environment and how building design considerations could enhance healthy aging-in-place.

The purpose of this paper is to provide a concise overview of the problem of building decay in Hong Kong, the current government measures concerning dilapidated buildings and the latest development and implementation of the mandatory building inspection scheme (MBIS). A comparison of various MBISs from other jurisdictions of the world is also given.

A desktop study of building inspection procedures, repair and maintenance policies was carried out, followed by an industry-wide opinion survey conducted by means of self-administered questionnaires. Target respondents are within the construction community of Hong Kong. The perceived benefits, potential difficulties and insightful recommendations or good practices are investigated. A comparison of the relative ranking of individual mean scores from various groups of respondents is presented in this paper.

The execution of MBIS was found to be effective in enhancing public awareness of the importance of building upkeep and recognition of the property owner's legal responsibilities in this respect. Private property owners were made aware of the necessity to take holistic preventive measures to maintain the overall safety of their own buildings. A comparison of MBIS with other similar MBISs across different cities, revealed similarities as regards the inspection cycle, scope of inspection and qualifications of inspectors. The main difference related to the age rather than the height of target buildings.

Proper inspection and maintenance is necessary to keep buildings in good condition to avoid injury or loss of life due to sudden collapse of structures or their elements such as concrete spalling and fall of window frames. The official launch of MBIS on 30 June 2012 is one of the proposed effective measures to resolve the long-standing problems of building neglect and deterioration in Hong Kong with particular regard to the existing old private premises.

The execution of MBIS should be useful in improving the safety and health status of the dilapidated premises and in so doing safeguarding the residents and general public. To further identify the perceived benefits and potential difficulties of MBIS, and to suggest insightful recommendations or good practices for its successful future implementation, an opinion survey was launched among construction practitioners in Hong Kong between March and April of 2012.

In a circular economy, the goal is to keep materials values in the economy for as long as possible. For the construction industry to support the goal of the circular economy, there is the need for materials reuse. However, there is little or no information about the amount and quality of reusable materials obtainable when buildings are deconstructed. The purpose of this paper, therefore, is to develop a reusability analytics tool for assessing end-of-life status of building materials.

A review of the extant literature was carried out to identify the best approach to modelling end-of-life reusability assessment tool. The reliability analysis principle and materials properties were used to develop the predictive mathematical model for assessing building materials performance. The model was tested using the case study of a building design and materials take-off quantities as specified in the bill of quantity of the building design.

The results of analytics show that the quality of the building materials varies with the building component. For example, from the case study, at the 80th year of the building, the qualities of the obtainable concrete from the building are 0.9865, 0.9835, 0.9728 and 0.9799, respectively, from the foundation, first floor, frame and stair components of the building.

As a contribution to the concept of circular economy in the built environment, the tool provides a foundation for estimating the quality of obtainable building materials at the end-of-life based on the life expectancy of the building materials.

This paper aims to discuss the existing literature on critical success factors (CSFs) for maintenance implementation in Nigerian universities and compile them in a single format to determine if gaps may exist.

Many relevant articles were searched using keywords extracted from a preliminary literature review. The second round of articles abstract study resulted in 40 articles been selected for this compilation. Inductive coding technique and content analysis methodology were used to identify the constructs of the CSFs. Subsequently, a critical analysis of the reviewed literature identified some gaps in the literature studied.

This literature review reveals that lack of maintenance policy, maintenance culture, shortage of building facilities and overpopulation in Nigerian universities are the major problems affecting maintenance implementation success. Additionally, most researchers concentrate on the identification of CSFs without providing the strategies for implementing them.

More in-depth research must be carried out on the study of CSFs to implement maintenance policy and culture in Nigerian universities. Duplication in the frequency analysis of the success factors is a significant limitation in this research work and is attributed to the secondary search used as the primary methodology for many articles cited.

This paper provides an in-depth compilation and analysis of all previously identified success factors for maintenance implementation in Nigerian universities using a structured methodological approach.

As the “baby boomer” generation continues to enter their senior post-retirement years, the provision of affordable retirement housing has become increasingly important for the community, practitioners and policymakers. However, relatively little attention has to date been placed on identifying an effective market mechanism for the industry of the independent-living retirement villages to meet this increased and unprecedented demand. This study aims to develop an innovative and affordable retirement village development model which meets the needs of all stakeholders including seniors, retirement village residents, the retirement village industry and government.

The attributes of this study are as follows: structure of individual living units, retirement village characteristics, retirement village facilities and services and support mechanisms. The analysis was undertaken based on data relating to independent-living retirement villages in five Australian states. A hedonic pricing model was used where the price distributions relating to these four aspects were estimated.

The results confirmed the structures of the independent living units and the retirement village characteristics were closely related to pricing, followed by services and supports with a lesser relationship, although the facilities were not significantly related to pricing.

This research is not able to address the entire retirement village market in Australia because the available market data are limited.

This research uses an innovative supply-side approach to assess retirement village attributes and values, which provides stakeholders with up-to-date market information to assist in guiding the performance of the retirement village industry.

The market evaluations imply that seniors are reluctant to pay for village attributes that are not regarded as highly sought-after. A cost-effective strategy of new retirement village developments and upgrades can be further induced, which in turn can enhance the market efficiency and affordability of the retirement villages.

This pricing model for retirement village units extends previous studies into retirement villages and presents stakeholders with an innovative and reliable market-oriented model.

This chapter analyzes major trends in rural public libraries, beginning with a discussion of changes in service offerings since the advent of the Internet. These outlets are now better able to help patrons with their employment, education, and civic engagement needs than they have been at any point in the past. However, rural public libraries still lag behind their peers in broadband speeds, technological infrastructure, and various forms of service and training offerings that use these technologies. The difference in public offerings is not only due to problems of technology, but also limited funding for staff, aging and small buildings, and a lack of state and regional support to allow these libraries to achieve economies of scale. As libraries nationwide shift to focus more on public programming and digital offerings, these factors will be barriers to rural outlets keeping up with modern trends in the field.

This study uses Institute of Museum and Library Services (IMLS) and Digital Inclusion Survey data to analyze trends among rural public libraries. The authors returned to the original data sets from these studies to find nuance between types of rural outlets, primarily dividing this information based on libraries’ distances from more densely populated areas. These statistical data are supplemented through qualitative interviews with professionals in the rural library field. Key findings include:

• Rural public libraries have made major strides in improving broadband quality and increasing related service offerings since the advent of the Internet in the mid-1990s.

• Rural libraries still lag behind those in more populated areas in terms of technical infrastructure and training offerings, and this becomes more acute among those located farther from population centers.

• As the public library field places a greater emphasis on public programs, rural libraries’ small and aging buildings will likely be a barrier to them keeping up with their peers.

• The lack of regional consortia and strong state libraries in some parts of the country limits rural libraries’ abilities to achieve economies of scale and negatively impacts the range of services they can offer their patrons.

Rural public libraries have made major strides in improving broadband quality and increasing related service offerings since the advent of the Internet in the mid-1990s.

Rural libraries still lag behind those in more populated areas in terms of technical infrastructure and training offerings, and this becomes more acute among those located farther from population centers.

As the public library field places a greater emphasis on public programs, rural libraries’ small and aging buildings will likely be a barrier to them keeping up with their peers.

The lack of regional consortia and strong state libraries in some parts of the country limits rural libraries’ abilities to achieve economies of scale and negatively impacts the range of services they can offer their patrons.

Rural libraries have often been combined together in statistical analyses of their service offerings. This chapter shows nuance between these outlets, demonstrating that libraries that are distant and remote from population centers face more difficulties than those on the fringes of cities and suburbs. Likewise, while much of the advocacy surrounding rural libraries has focused on the need for improved broadband and technological infrastructure, this study moves on to study how building infrastructure, low staff funding, and a lack of mechanisms for collaboration will hinder libraries’ abilities to keep up with modern changes in the field.

Hospital building maintenance management constitutes a pertinent issue of global concern for all healthcare stakeholders. In Malaysia, the maintenance management of hospital buildings is instrumental to the Government’s goal of providing efficient healthcare services to the Government's citizenry. However, there is a paucity of studies that have comprehensively explored all dimensions of hospital building defects in relation to maintenance management. Consequently, this study seeks to evaluate the defects of hospital buildings in Malaysia with the aim of proffering viable solutions for the rectification and prevention of the issue.

The study utilised a quantitative approach for data collection.

The findings indicated that cracked floors, floor tile failures, wall tiles failure, blocked water closets, and damaged windows were some of the flaws that degrade hospital buildings. The study’s outcomes reveal that defects not only deface the aesthetic appearance of hospital buildings but also inhibit the functionality of the buildings and depreciate the overall satisfaction.

Considering the indispensable role of hospital buildings in the grand scheme of healthcare service provision and ensuring the well-being of people, the issue of defects necessitates an urgent re-evaluation of the maintenance management practices of hospital buildings in Malaysia. Previous studies on the maintenance management of hospital buildings in Malaysia have focused primarily on design, safety, and construction.

This is particularly important because defects in hospital buildings across the country have recently led to incessant ceiling collapses, fire outbreaks, ceiling, roof collapses, and other structural failures. These problems are typically the result of poor maintenance management, exacerbated by poor design and construction. These disasters pose significant risks to the lives of hospital building users.

This study offers invaluable insights for maintenance organisations and maintenance department staff who are genuinely interested in improving hospital buildings’ maintenance management to optimise staff's performance and enhance the user satisfaction of hospital buildings in Malaysia and globally.