Alphanumeric coding for variables
| Dimensions | Variable | Code |
|---|---|---|
| ENV | Reduces heavy reliance on non-renewable energy consumption | Env1 |
| Reduces carbon emissions and household energy consumption | Env2 | |
| Enhances air quality | Env3 | |
| Mitigation of climate change | Env4 | |
| Enhances energy security | Env5 | |
| Increases the energy star rating of existing residential dwellings | Env6 | |
| Reduces solar radiation and glare | Env7 | |
| ECO | Improves competitive positioning in the property market and attracts more willing tenants | Eco1 |
| Increases property value | Eco2 | |
| Saves energy and reduces consumption cost | Eco3 | |
| Improves real estate's contribution to national economic growth in the long run | Eco4 | |
| SOC | Enhances homeowners' social reputation | Soc1 |
| Reduces illness and health care expenditures and guarantees good health and well-being | Soc2 | |
| Improves indoor thermal comfort, tenants' satisfaction and productivity | Soc3 | |
| Creates local jobs and drives community growth | Soc4 | |
| Fosters positive tenant-owner relationship | Soc5 | |
| ARP | Building Energy Efficiency Code | BEEC |
| Building Energy Efficiency Guidelines | BEEG | |
| Excellence in Design for Greater Efficiency | EDGE | |
| National Climate Change Policy | NCCP | |
| PIPM | Increasing the thickness of wall insulation layers to reduce heat absorption | PRM1 |
| Optimising window design (e.g. double or triple-paned glazed windows) | PRM2 | |
| Using natural ventilation on building envelope | PRM3 | |
| Installing sun-shading devices | PRM4 | |
| Using reflective coating on the roof | PRM5 | |
| Insulation of the ceiling | PRM6 | |
| Enhancing the building's ability to prevent moisture from entering or escaping | PRM7 | |
| Integrating openings in building envelopes | PRM8 | |
| Improving components: overhangs, blinds or louvres to reduce heat gain | PRM9 | |
| Using reflective surfaces to distribute natural light and reduce reliance on artificial lighting | PRM10 | |
| Planting trees and vegetation around buildings to provide natural shade and reduce cooling loads | PRM11 | |
| CSFs | Comprehensive plans and detailed specifications | CSF1 |
| Balanced allocation of tasks with achievable project timelines | CSF2 | |
| Provision of oversight to ensure tasks are completed correctly | CSF3 | |
| Establishment of systems to achieve project objectives | CSF4 | |
| Adopting new and creative methods in project execution | CSF5 | |
| Accessibility of the required materials and tools | CSF6 | |
| Identification and mitigation of potential risks | CSF7 | |
| Sufficient financial and material resources | CSF8 | |
| A set out contracts and project goals, and a structured process for resolving conflicts | CSF9 | |
| Project team's experience in design and management for current retrofit projects | CSF10 | |
| Prompt and effective communication of information | CSF11 | |
| Appropriate organisational structure for the project | CSF12 | |
| Provision of motivation and incentives to keep stakeholders engaged | CSF13 | |
| Utilisation of data from the building for better decision-making | CSF14 | |
| Effective management of project costs | CSF15 | |
| Collaboration and trust amongst all retrofit stakeholders | CSF16 | |
| Strong leadership, skilled project managers and team members with relevant competencies | CSF17 | |
| Clear communication channels to keep residential building owners informed and engaged, and feedback mechanisms | CSF18 | |
| Clear project priorities and vision | CSF19 | |
| Compliance with environmental laws and regulations and conducting regular audits | CSF20 | |
| Putting substantial effort into design and construction planning | CSF21 | |
| Early involvement of knowledgeable, dedicated and motivated experts with an understanding of retrofit measures | CSF22 | |
| Responsiveness of residential building owners to retrofit needs | CSF23 | |
| Strong policies and regulations, along with clear criteria and standards supported by government programmes | CSF24 | |
| Comprehensive guidance, incentives and subsidies from the government | CSF25 | |
| Standardised administrative procedures, criteria and home energy-efficiency review periods by government | CSF26 | |
| Availability of financial markets and affordable capital for project funding | CSF27 | |
| Prior knowledge of initial costs and ongoing operational/maintenance expenses | CSF28 | |
| Long-term funding repayment based on return on investment | CSF29 | |
| Fair sharing of energy savings amongst stakeholders | CSF30 | |
| Certainty of increased rent, high occupancy rates and tax benefits for retrofitted buildings | CSF31 | |
| Gaining support from the local community | CSF32 | |
| Strong cultural reputation, and raising public awareness and education about building retrofitting | CSF33 | |
| Sharing experiences and best practices | CSF34 | |
| BARs | Stakeholders' limited/lack of awareness/knowledge or information regarding building retrofit | BAR1 |
| Confusion and lack of trust due to unclear information | BAR2 | |
| Lack of social acceptability of retrofit measures and confidence in the retrofit process | BAR3 | |
| Lack of communication with building owners | BAR4 | |
| Poor retrofit/renovation culture amongst homeowners | BAR5 | |
| Absence of desire from owners to monitor and record building energy data | BAR6 | |
| Lack of interdisciplinary expertise and collaboration | BAR7 | |
| Cost implications and time-consuming paperwork for retrofit project approval | BAR8 | |
| Lack of capital to implement residential building retrofitting | BAR9 | |
| Lack of motivation to invest in retrofitting | BAR10 | |
| Long payback period | BAR11 | |
| Differing interests of stakeholders | BAR12 | |
| Price fluctuations for green materials | BAR13 | |
| Limited supply of dedicated financing instruments | BAR14 | |
| Uncertainty of return on investment | BAR15 | |
| Difficulties in access to loans and higher upfront payments | BAR16 | |
| Lack of government subsidies | BAR17 | |
| Inadequate or lack of overarching government policies, laws, standards, codes or guidelines | BAR18 | |
| Lack of long-term strategic guidance | BAR19 | |
| Enforcement issues | BAR20 | |
| Lack or shortage of qualified institutes capable of assessing and certifying residential building energy performance | BAR21 | |
| Difficulty in finding reliable professionals to successfully retrofit residential buildings | BAR22 | |
| Some residential buildings are difficult to retrofit | BAR23 | |
| Lack of access to efficient passive tools and technologies for building retrofitting | BAR24 | |
| Safety risks associated with extensive renovation process | BAR25 | |
| Logistics issues relating to passive retrofit material sourcing and transporting | BAR26 | |
| Difficulty in meeting building regulation requirements | BAR27 | |
| IMPL (managers) | I advocate for passive retrofitting measures in the properties I manage | IMP1 |
| I love to influence the decision to allocate budgets for passive retrofit measures | IMP2 | |
| I facilitate discussions about the benefits of passive retrofitting with property owners | IMP3 | |
| I love to ensure that retrofitting initiatives are aligned with property management goals | IMP4 | |
| I plan to assess and support the selection of appropriate passive retrofit measures for the properties I manage | IMP5 | |
| I will work to integrate passive retrofit measures into routine property maintenance schedules | IMP6 | |
| I seek to build partnerships with contractors who specialise in passive retrofitting | IMP7 | |
| I aim to ensure that all passive retrofitting efforts comply with relevant local building codes | IMP8 | |
| I intend to explore available financial options that align with the residential building retrofit objectives | IMP9 | |
| I advocate for regular audits to ensure the effectiveness of retrofit measures | IMP10 | |
| I aim to foster collaboration amongst tenants, property owners and other stakeholders for successful retrofit implementation | IMP11 | |
| IMPL (homeowners) | I am interested in setting aside a budget for implementing passive retrofitting measures | IMP1 |
| I intend to enlist the services of professionals to execute the passive retrofitting project | IMP2 | |
| I am committed to ensuring my property adheres to sustainable building practices and regulations | IMP3 | |
| I am interested in receiving the financial incentives provided by the government to assist with retrofit projects | IMP4 | |
| I plan to collaborate with organisations that specialise in energy efficiency | IMP5 | |
| I love to grant permission my property management company to initiate passive retrofit plans | IMP6 | |
| I aim to choose suitable passive retrofitting measures for my property | IMP7 | |
| I wish to set realistic timelines for retrofitting my property | IMP8 | |
| I love to discuss retrofit plans with my tenants | IMP9 |
| Dimensions | Variable | Code |
|---|---|---|
| ENV | Reduces heavy reliance on non-renewable energy consumption | Env1 |
| Reduces carbon emissions and household energy consumption | Env2 | |
| Enhances air quality | Env3 | |
| Mitigation of climate change | Env4 | |
| Enhances energy security | Env5 | |
| Increases the energy star rating of existing residential dwellings | Env6 | |
| Reduces solar radiation and glare | Env7 | |
| ECO | Improves competitive positioning in the property market and attracts more willing tenants | Eco1 |
| Increases property value | Eco2 | |
| Saves energy and reduces consumption cost | Eco3 | |
| Improves real estate's contribution to national economic growth in the long run | Eco4 | |
| SOC | Enhances homeowners' social reputation | Soc1 |
| Reduces illness and health care expenditures and guarantees good health and well-being | Soc2 | |
| Improves indoor thermal comfort, tenants' satisfaction and productivity | Soc3 | |
| Creates local jobs and drives community growth | Soc4 | |
| Fosters positive tenant-owner relationship | Soc5 | |
| ARP | Building Energy Efficiency Code | BEEC |
| Building Energy Efficiency Guidelines | BEEG | |
| Excellence in Design for Greater Efficiency | EDGE | |
| National Climate Change Policy | NCCP | |
| PIPM | Increasing the thickness of wall insulation layers to reduce heat absorption | PRM1 |
| Optimising window design (e.g. double or triple-paned glazed windows) | PRM2 | |
| Using natural ventilation on building envelope | PRM3 | |
| Installing sun-shading devices | PRM4 | |
| Using reflective coating on the roof | PRM5 | |
| Insulation of the ceiling | PRM6 | |
| Enhancing the building's ability to prevent moisture from entering or escaping | PRM7 | |
| Integrating openings in building envelopes | PRM8 | |
| Improving components: overhangs, blinds or louvres to reduce heat gain | PRM9 | |
| Using reflective surfaces to distribute natural light and reduce reliance on artificial lighting | PRM10 | |
| Planting trees and vegetation around buildings to provide natural shade and reduce cooling loads | PRM11 | |
| CSFs | Comprehensive plans and detailed specifications | CSF1 |
| Balanced allocation of tasks with achievable project timelines | CSF2 | |
| Provision of oversight to ensure tasks are completed correctly | CSF3 | |
| Establishment of systems to achieve project objectives | CSF4 | |
| Adopting new and creative methods in project execution | CSF5 | |
| Accessibility of the required materials and tools | CSF6 | |
| Identification and mitigation of potential risks | CSF7 | |
| Sufficient financial and material resources | CSF8 | |
| A set out contracts and project goals, and a structured process for resolving conflicts | CSF9 | |
| Project team's experience in design and management for current retrofit projects | CSF10 | |
| Prompt and effective communication of information | CSF11 | |
| Appropriate organisational structure for the project | CSF12 | |
| Provision of motivation and incentives to keep stakeholders engaged | CSF13 | |
| Utilisation of data from the building for better decision-making | CSF14 | |
| Effective management of project costs | CSF15 | |
| Collaboration and trust amongst all retrofit stakeholders | CSF16 | |
| Strong leadership, skilled project managers and team members with relevant competencies | CSF17 | |
| Clear communication channels to keep residential building owners informed and engaged, and feedback mechanisms | CSF18 | |
| Clear project priorities and vision | CSF19 | |
| Compliance with environmental laws and regulations and conducting regular audits | CSF20 | |
| Putting substantial effort into design and construction planning | CSF21 | |
| Early involvement of knowledgeable, dedicated and motivated experts with an understanding of retrofit measures | CSF22 | |
| Responsiveness of residential building owners to retrofit needs | CSF23 | |
| Strong policies and regulations, along with clear criteria and standards supported by government programmes | CSF24 | |
| Comprehensive guidance, incentives and subsidies from the government | CSF25 | |
| Standardised administrative procedures, criteria and home energy-efficiency review periods by government | CSF26 | |
| Availability of financial markets and affordable capital for project funding | CSF27 | |
| Prior knowledge of initial costs and ongoing operational/maintenance expenses | CSF28 | |
| Long-term funding repayment based on return on investment | CSF29 | |
| Fair sharing of energy savings amongst stakeholders | CSF30 | |
| Certainty of increased rent, high occupancy rates and tax benefits for retrofitted buildings | CSF31 | |
| Gaining support from the local community | CSF32 | |
| Strong cultural reputation, and raising public awareness and education about building retrofitting | CSF33 | |
| Sharing experiences and best practices | CSF34 | |
| BARs | Stakeholders' limited/lack of awareness/knowledge or information regarding building retrofit | BAR1 |
| Confusion and lack of trust due to unclear information | BAR2 | |
| Lack of social acceptability of retrofit measures and confidence in the retrofit process | BAR3 | |
| Lack of communication with building owners | BAR4 | |
| Poor retrofit/renovation culture amongst homeowners | BAR5 | |
| Absence of desire from owners to monitor and record building energy data | BAR6 | |
| Lack of interdisciplinary expertise and collaboration | BAR7 | |
| Cost implications and time-consuming paperwork for retrofit project approval | BAR8 | |
| Lack of capital to implement residential building retrofitting | BAR9 | |
| Lack of motivation to invest in retrofitting | BAR10 | |
| Long payback period | BAR11 | |
| Differing interests of stakeholders | BAR12 | |
| Price fluctuations for green materials | BAR13 | |
| Limited supply of dedicated financing instruments | BAR14 | |
| Uncertainty of return on investment | BAR15 | |
| Difficulties in access to loans and higher upfront payments | BAR16 | |
| Lack of government subsidies | BAR17 | |
| Inadequate or lack of overarching government policies, laws, standards, codes or guidelines | BAR18 | |
| Lack of long-term strategic guidance | BAR19 | |
| Enforcement issues | BAR20 | |
| Lack or shortage of qualified institutes capable of assessing and certifying residential building energy performance | BAR21 | |
| Difficulty in finding reliable professionals to successfully retrofit residential buildings | BAR22 | |
| Some residential buildings are difficult to retrofit | BAR23 | |
| Lack of access to efficient passive tools and technologies for building retrofitting | BAR24 | |
| Safety risks associated with extensive renovation process | BAR25 | |
| Logistics issues relating to passive retrofit material sourcing and transporting | BAR26 | |
| Difficulty in meeting building regulation requirements | BAR27 | |
| IMPL (managers) | I advocate for passive retrofitting measures in the properties I manage | IMP1 |
| I love to influence the decision to allocate budgets for passive retrofit measures | IMP2 | |
| I facilitate discussions about the benefits of passive retrofitting with property owners | IMP3 | |
| I love to ensure that retrofitting initiatives are aligned with property management goals | IMP4 | |
| I plan to assess and support the selection of appropriate passive retrofit measures for the properties I manage | IMP5 | |
| I will work to integrate passive retrofit measures into routine property maintenance schedules | IMP6 | |
| I seek to build partnerships with contractors who specialise in passive retrofitting | IMP7 | |
| I aim to ensure that all passive retrofitting efforts comply with relevant local building codes | IMP8 | |
| I intend to explore available financial options that align with the residential building retrofit objectives | IMP9 | |
| I advocate for regular audits to ensure the effectiveness of retrofit measures | IMP10 | |
| I aim to foster collaboration amongst tenants, property owners and other stakeholders for successful retrofit implementation | IMP11 | |
| IMPL (homeowners) | I am interested in setting aside a budget for implementing passive retrofitting measures | IMP1 |
| I intend to enlist the services of professionals to execute the passive retrofitting project | IMP2 | |
| I am committed to ensuring my property adheres to sustainable building practices and regulations | IMP3 | |
| I am interested in receiving the financial incentives provided by the government to assist with retrofit projects | IMP4 | |
| I plan to collaborate with organisations that specialise in energy efficiency | IMP5 | |
| I love to grant permission my property management company to initiate passive retrofit plans | IMP6 | |
| I aim to choose suitable passive retrofitting measures for my property | IMP7 | |
| I wish to set realistic timelines for retrofitting my property | IMP8 | |
| I love to discuss retrofit plans with my tenants | IMP9 |
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