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3U HOLDING AG awarded DGNB Gold Certificate for its new headquarters in Marburg
3U HOLDING AG awarded DGNB Gold Certificate for its new headquarters in
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EQS-Media / 11.05.2026 / 07:00 CET/CEST3U HOLDING AG awarded DGNB Gold Certificate for its new headquarters in MarburgPremises built to the latest energy and environmental standards DGNB Gold Certificate for sustainable office and administration building Green areas, green building and biodiversity at 3U headquarters Energy efficiency, renewable energies and infrastructure for sustainable mobilityMarburg, 11 May 2026 – 3U HOLDING AG (ISIN DE0005167902; ticker symbol: UUU) has been awarded a Gold Certificate from Deutsche Gesellschaft für Nachhaltiges Bauen (German Sustainable Building Council – DGNB) for its new headquarters in the Cappel District of Marburg. The award certifies the high standards of the new building in terms of ecological, economic and sociocultural criteria and highlights the company’s aspiration of consistently implementing sustainability at its head office. The building at the location of Zu den Sandbeeten 1 b location was assessed in line with the DGNB usage profile for office and administration buildings. It was rated overall as having achieved an above-average degree of compliance. This achievement was rendered possible by an interplay of efficient building technology, in-house energy production and well-designed external areas. The new building has a total floor area of around 2,000 sqm and contemporary office space over three floors for employees at the 3U Group’s head office. Parts of the building’s façade and the roof have been greened. The piece of land which is approximately 3,200 sqm was landscaped and deliberately designed with a minimum of sealed surfaces and an emphasis on environmental sustainability. Twenty-two indigenous trees will be planted in the green areas around the building and, together with the existing trees and greening on the building, will improve the micro-climate and promote biodiversity. The new building sets a new benchmark in energetic terms: a photovoltaic system installed on the roof is capable of generating up to 36.4 MWh of clean energy a year. A highly efficient heat pump system takes care of heating and air conditioning; in conjunction with sourcing green electricity, the building operates completely without fossil fuels. Furthermore, attention was given to creating a contemporary infrastructure for sustainable mobility: Employees have access to a total of 34 bicycle stands, ten of which are equ...