Citi's London office overhaul costs hit $1.5 billion

Core Insights - Citigroup's cost for refurbishing its London tower has escalated to $1.5 billion (1.1 billion pounds), indicating the significant expenses associated with modernizing outdated office spaces [1] Company Summary - The increase in refurbishment costs reflects broader trends in the financial industry regarding the investment in infrastructure to adapt to changing work environments [1]