When constructing the building, high-quality, durable materials were used and importance was also attached to the comfort of cooling and mechanical ventilation – not necessarily the norm in offices. Nevertheless, with a net figure of 1,125 €/m² NFA (cost groups 300 & 400), the investment costs are below the average costs according to the building cost index., This was reached because additional costs, e.g. arising from the use of geothermal energy, were compensated for by savings in other areas such as exterior sun protection. Prefabricated elements also reduced construction costs.
Monthly energy costs for heating, cooling, air conveyance, lighting, water heating and the lifts were amounted to 0.21 €/m² for 2005. In comparable new office buildings these costs are between 0.80 €/m² and 1.50 €/m².