Alphanumeric coding scheme for retrofit barrier items
| Barrier item | Code |
|---|---|
| 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 |
| Barrier item | Code |
|---|---|
| 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 |
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