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Denmark has ambitious building regulations regarding the construction of new buildings. However, the annual building rate only comprises approximately 1-2 percent of the total building stock. Therefore, regulating the energy performance of existing buildings plays a key role in the green transition. The Danish government has set ambitious energy policy goals. By 2035, Danish electricity and heating will be based solely on renewable energy sources. However, this does not negate the importance of reducing the energy consumption in buildings and the focus on energy efficiency. Energy consumption in buildings accounts for almost 40 percent of total energy consumption in Denmark. Therefore, realising energy savings in buildings is a significant area of attention in energy policies.
The building code as a driver for innovation
The Danish Building Code is one of the main policy instruments to achieve energy savings. The code contains regulations regarding the energy performance related to major renovations of buildings. For example, if the renovation of a building includes the replacement of a window, a ventilation system or a roof, the building code defines minimum standards for the energy performance of the new component. The code therefore guarantees that the existing building stock continuously becomes more energy efficient. This is reflected in the energy statistics, which show that the energy efficiency of buildings has been increasing for many years. At the same time, the Building Code ensures that energy savings are implemented when it is economically feasible for the owners.
Conducting energy renovations in buildings is generally most cost-efficient when carried out in connection with major maintenance work and other changes. Therefore, another central aim of the regulatory efforts is to encourage building owners to utilise building renovations as an opportunity to carry out energy savings. The building code is revised regularly to encompass and align with new technological developments taking place in the construction industry. Whenever changes are made, it is preceded by an extensive consultation process with stakeholders from the industry to ensure ambitious and realistic changes. The changes are announced prior to implementation, enabling the industry to develop new solutions and invest in the necessary production apparatuses. In this way, the building code is also used to incite innovation in the industry.
This article is a part of the “Building Renovation – Realising the untapped potential of the built environment” White Paper. Featuring in-depth cases and insights from key Danish players, the white paper offers a toolbox of ideas, technologies, and frameworks for future-ready buildings.
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