BLOG Gut renovation at One Madison Avenue Sunday, December 18, 2022 Highly skilled union contractors and the New York City District Council of Carpenters continue Building New York’s Best. Their work on a project at One Madison Avenue in the Flatiron District involves a gut renovation and commercial expansion of the eight-story structure to 27 stories, yielding 1.4 million sq ft of office space and providing panoramic views of Madison Square Park and amenities including an artisan food market. #Renovation #Expansion #Madison One Madison Avenue’s Tower Expansion Begins Steel Assembly In Flatiron District, Manhattan Hailey Insulation Corp Eurotech Construction Corp Interstate Drywall Corp. Roger & Sons Concrete Inc Universal Builders Supply Inc SHARE