The report describes opportunities and challenges in the use of biogenic resources for construction materials in Denmark. The report examines the possibilities of using biogenic materials in construction and at the consequences associated with growing, harvesting and producing building materials nationally. The report further sheds light on the potentials and barriers that can be identified by increasing the use of biogenic materials in construction in Denmark. Based on an assessment of the need for materials, both types and quantities, and the time horizon with which the materials in the required qualities and quantities can be ready as a resource. The assessments are performed as scenarios. The report shows that the construction can store carbon from atmospheric CO2 in the new construction corresponding to more than the total CO2 emissions from the entire current Danish consumption of concrete. In addition, the biogenic materials will be able to replace conventional building materials such as concrete, steel, brick, and mineral wool to a large extent which will reduce the CO2 emissions related to the production of these materials. In addition, the report highlights and shows buildings where biogenic materials have been used. A review of available biogenic resources shows a great potential for an extensive production of biogenic materials that can be used in construction from forestry, agriculture, and marine environments in Denmark. Resources that are renewable and can be grown and harvested annually from the same land. Furthermore, the report shows that pure fractions of wood biomass can meet a large part of the material requirements for a number of building materials other than materials for load-bearing structures. Supplemented with, for example, straw, the report shows that the need for sheet materials and insulation in construction, both high- and low-rise buildings, can be met by Danish production alone. It is also shown that materials for the load-bearing structures necessitate the import of, for example, construction wood, but can be reduced by greater Danish processing of inferior fractions of wood, which are currently not used for construction wood, for use in glulam or CLT elements. Furthermore, the use of biogenic materials for constructions can be increased by increasing knowledge of the materials and their properties. This is closely related to material knowledge in the construction value and supply chain. The value and supply chain must be familiar with the use of biogenic materials in construction, among other material suppliers, builders, architects, engineers, authorities, construction workers, builders, and users. Further, technical documentation of material properties including product specific EPDs for assessing the suitability of a material for a given function in a building and the assessment of greenhouse gas emissions must be based on facts. Both for the building owner, contractor, craftsman, supplier but also in relation to the government services and in the finance and insurance industry. Knowledge of construction technical solutions that have been tested before can increase knowledge of the materials’ performance and help to develop and improve the solutions in the short term. Knowledge can be accumulated through publicly accessible transparent lighthouse constructions where the economic, practical, design and execution experiences are shared in the construction industry. Knowledge that in this way can be anchored in society as a whole and implemented in educations of the construction supply chain by actors, from craftsmen to scientists, as well as the environments around the cultivation of biogenic materials in Denmark.