Interviewees’ demographics
| Person | Professional background | Role | Experience (years) | Educational background | Group of stakeholders | Company size |
|---|---|---|---|---|---|---|
| P1 | Quantity surveying | Lecturer | 14 | PhD | Academics | Large |
| P2 | Architect | Senior building advisor | 16 | Bachelor degree | Policymakers | Large |
| P3 | Architect | Lecturer | 6 | PhD | Academics | Large |
| P4 | Electrical engineer | Technical advisory | 16 | Bachelor degree | Producers | Large |
| P5 | Electrical engineer | Senior lecturer | 40 | PhD | Academics | Large |
| P6 | Architect | PhD researcher | 11 | PhD | Academics | Large |
| P7 | Freshwater ecologist | Head of sustainable partnership | 22 | Bachelor degree | Investors | Large |
| P8 | Building scientist | Senior building scientist | 6 | Master degree | Policymakers | Large |
| P9 | Electrical engineer | CEO | 20 | PhD | Producers | Large |
| P10 | Electrical engineer | Building service manager | 12 | Bachelor degree | Users | Large |
| P11 | Architect | Senior lecturer | 20 | PhD | Academics | Large |
| P12 | Business management | Customer experience design specialist | 5 | Bachelor degree | Producers | Large |
| P13 | Energy engineer | Senior building service engineer | 24 | Bachelor degree | Policymakers | Large |
| P14 | Scientist | Group carbon environmental performance manager | 15 | PhD | Users | Large |
| P15 | Project management | Project manager | 10 | Bachelor degree | Investors | Large |
| P16 | Architect | Senior building advisor | 24 | PhD | Policymakers | Large |
| P17 | Mechanical engineer | Project manager | 10 | Bachelor degree | Users | Large |
| P18 | Civil engineer | Technical director | 25 | Bachelor degree | Producers | Large |
| P19 | Property management | Head of sustainability | 20 | Bachelor degree | Investors | Large |
| P20 | Architect | Senior building manager | 7 | Master degree | Producers | Medium |
| P21 | Mechanical engineer | Building service engineer | 20 | Bachelor degree | Producers | Large |
| P22 | Sustainable enterprise | Estates consultant | 22 | Master degree | Users | Large |
| P23 | Architect | Estates consultant | 24 | Master degree | Users | Large |
| P24 | Building scientist | Advisor | 5 | Bachelor degree | Producers | Large |
| P25 | Mechanical engineer | Manager | 20 | Master degree | Producers | Large |
| P26 | Civil engineer | Professor | 30 | PhD | Academics | Large |
| P27 | Mechanical engineer | Head of facility and tenancy delivery | 20 | Bachelor degree | Investors | Large |
| P28 | Quantity surveying | Director of building consultancy | 20 | Master degree | Users | Large |
| P29 | Mechanical engineer | Engineering manager | 11 | Master degree | Investors | Large |
| P30 | Architect | Lead architectural designer | 15 | Bachelor degree | Producers | Large |
| P31 | Electrical engineer | Business development specialist | 20 | Master degree | Users | Small |
| P32 | Mechanical engineer | Project manager | 15 | Master degree | Producers | Large |
| P33 | Mechanical engineer | Building optimisation engineer | 20 | Bachelor degree | Users | Small |
| P34 | Architect | Director | 11 | Master degree | Producers | Small |
| P35 | Mechanical engineer | Technical director | 20 | Master degree | Producers | Large |
| P36 | Architect | Principal | 23 | Bachelor degree | Producers | Small |
| P37 | Architect | Principal advisor | 12 | PhD | Policymakers | Large |
| P38 | Architect | Director | 15 | Master degree | Producers | Small |
| P39 | Business management | Senior project manager | 5 | Bachelor degree | Producers | Medium |
| P40 | Urban planner | Planner | 20 | PhD | Investors | Large |
| P41 | Architect | Lecturer | 6 | PhD | Academics | Large |
| P42 | Mechanical engineer | Senior plumbing advisor | 20 | Bachelor degree | Policymakers | Large |
| P43 | Property valuer | Senior managing director | 20 | Master degree | Users | Large |
| Person | Professional background | Role | Experience (years) | Educational background | Group of stakeholders | Company size |
|---|---|---|---|---|---|---|
| P1 | Quantity surveying | Lecturer | 14 | PhD | Academics | Large |
| P2 | Architect | Senior building advisor | 16 | Bachelor degree | Policymakers | Large |
| P3 | Architect | Lecturer | 6 | PhD | Academics | Large |
| P4 | Electrical engineer | Technical advisory | 16 | Bachelor degree | Producers | Large |
| P5 | Electrical engineer | Senior lecturer | 40 | PhD | Academics | Large |
| P6 | Architect | PhD researcher | 11 | PhD | Academics | Large |
| P7 | Freshwater ecologist | Head of sustainable partnership | 22 | Bachelor degree | Investors | Large |
| P8 | Building scientist | Senior building scientist | 6 | Master degree | Policymakers | Large |
| P9 | Electrical engineer | 20 | PhD | Producers | Large | |
| P10 | Electrical engineer | Building service manager | 12 | Bachelor degree | Users | Large |
| P11 | Architect | Senior lecturer | 20 | PhD | Academics | Large |
| P12 | Business management | Customer experience design specialist | 5 | Bachelor degree | Producers | Large |
| P13 | Energy engineer | Senior building service engineer | 24 | Bachelor degree | Policymakers | Large |
| P14 | Scientist | Group carbon environmental performance manager | 15 | PhD | Users | Large |
| P15 | Project management | Project manager | 10 | Bachelor degree | Investors | Large |
| P16 | Architect | Senior building advisor | 24 | PhD | Policymakers | Large |
| P17 | Mechanical engineer | Project manager | 10 | Bachelor degree | Users | Large |
| P18 | Civil engineer | Technical director | 25 | Bachelor degree | Producers | Large |
| P19 | Property management | Head of sustainability | 20 | Bachelor degree | Investors | Large |
| P20 | Architect | Senior building manager | 7 | Master degree | Producers | Medium |
| P21 | Mechanical engineer | Building service engineer | 20 | Bachelor degree | Producers | Large |
| P22 | Sustainable enterprise | Estates consultant | 22 | Master degree | Users | Large |
| P23 | Architect | Estates consultant | 24 | Master degree | Users | Large |
| P24 | Building scientist | Advisor | 5 | Bachelor degree | Producers | Large |
| P25 | Mechanical engineer | Manager | 20 | Master degree | Producers | Large |
| P26 | Civil engineer | Professor | 30 | PhD | Academics | Large |
| P27 | Mechanical engineer | Head of facility and tenancy delivery | 20 | Bachelor degree | Investors | Large |
| P28 | Quantity surveying | Director of building consultancy | 20 | Master degree | Users | Large |
| P29 | Mechanical engineer | Engineering manager | 11 | Master degree | Investors | Large |
| P30 | Architect | Lead architectural designer | 15 | Bachelor degree | Producers | Large |
| P31 | Electrical engineer | Business development specialist | 20 | Master degree | Users | Small |
| P32 | Mechanical engineer | Project manager | 15 | Master degree | Producers | Large |
| P33 | Mechanical engineer | Building optimisation engineer | 20 | Bachelor degree | Users | Small |
| P34 | Architect | Director | 11 | Master degree | Producers | Small |
| P35 | Mechanical engineer | Technical director | 20 | Master degree | Producers | Large |
| P36 | Architect | Principal | 23 | Bachelor degree | Producers | Small |
| P37 | Architect | Principal advisor | 12 | PhD | Policymakers | Large |
| P38 | Architect | Director | 15 | Master degree | Producers | Small |
| P39 | Business management | Senior project manager | 5 | Bachelor degree | Producers | Medium |
| P40 | Urban planner | Planner | 20 | PhD | Investors | Large |
| P41 | Architect | Lecturer | 6 | PhD | Academics | Large |
| P42 | Mechanical engineer | Senior plumbing advisor | 20 | Bachelor degree | Policymakers | Large |
| P43 | Property valuer | Senior managing director | 20 | Master degree | Users | Large |
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