The Online Training Course on Sustainable Architecture establishes a foundational understanding of sustainable architecture, focusing on its meaning, approaches, and objectives as essential tools for achieving climate neutrality in building stock and maximising resource efficiency throughout a building's life cycle. It is one of the main intellectual outputs of INCEPT Project achieving the multiplier effect of the new educational curriculum and the maximum expansion of the project target groups. The Course is therefore designed and developed to meet the needs of the wider target groups of students and professionals and thus, multiplying the impact of the project findings and results and extending the beneficiaries of the project.