Boverket has finalized new regulations for energy efficiency in buildings and energy declarations, effective October 1, 2026. The changes aim to reduce energy consumption, improve indoor climate, and promote sustainable building use. Key updates include stricter energy efficiency requirements for construction professionals, modernized rules with fewer technical specifications, and clearer guidelines for energy declarations. Building owners and property traders must now ensure energy declarations include detailed performance data and actionable efficiency measures. A simplified energy class system will help users quickly assess building performance. Publicly owned buildings must submit energy declarations by July 1, 2028. These changes align with EU’s Energy Performance of Buildings Directive, which seeks to reduce carbon emissions by 55% across member states. Transition periods apply to some provisions, with full implementation by October 2026.
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