ACKNOWLEDGEMENTS 7
1. INTRODUCTION 16
2. LESSONS LEARNED: HOW TO OVERCOME THE MAIN CHALLENGES 18
2.1. Built environment sustainability and adaptation to climate change 18
2.2. Clean and sustainable mobility 23
2.3. Digital technology for energy efficiency and renovation 26
2.4. District approaches 29
2.5. Engaging transformation and phasing out inefficient buildings 31
2.6. Financing renovation 35
2.7. Health and wellbeing 38
2.8. Deducing lessons learned with cross-sectoral relevance 40
3. IDENTIFIED AND SELECTED POLICY ACTIONS 46
3.1. Analysis of the selected policy actions 46
3.2. Roadmaps for implementation at the EU, national, regional and local level 48
3.3. Cluster 1: Align policies with long-term objectives 50
3.4. Cluster 2: Regulatory and market-based instruments for a transformation of the European building stock 59
3.5. Cluster 3: Enhance the gathering, availability and harmonisation of building data and information 72
3.6. Cluster 4: Facilitate the market penetration of innovative financial mechanisms 84
3.7. Cluster 5: Accelerate renovation and flexibility in the built environment by utilising digitalisation and automation 95
3.8. Cluster 6: Achieve policy integration through information exchange hubs and integrated urban planning 102
4. CONCLUSIONS: OVERALL LESSONS LEARNED 113
5. REFERENCES 117
6. APPENDIX: INITIAL LIST OF POLICY ACTIONS 119