The mandate “will ensure consistency across the bank,” a spokesman for the bank said. But the Friday-to-Monday ban is very rare, and illustrates the growing frustration of companies that pay millions for office real estate that often empties out at the bookends of each working week. The crisis is worldwide: McKinsey Global Institute estimates that pandemic shifts could erase as much as $1.3 trillion of real estate value in big cities around the world by 2030. Deutsche Bank’s memo noted that its current real estate usage is “inefficient,” a common concern among businesses with hybrid-work plans. “Deutsche Bank is trying to spread the peak a bit to Fridays and Mondays,” Sadow said.