Not only a career first for Charles, but a first for the City of London too, Charles jointly negotiated and secured the highest reviewed rent ever agreed in the City at over £100-per-sq-ft. Instagram ready and loved by Londoners in their #saycheesegrater launch campaign, The Leadenhall Building is a multi-award-winning, 50 storey tower comprising 580,000 sq ft of offices to perfectly combine efficiency, innovation and beauty.