Midtown’s skyline is poised for another transformation as SL Green Realty moves forward with plans for a 46-story tower at 346 Madison Avenue. The company confirmed that demolition work on the former Brooks Brothers building and its neighbor at 11 E. 44th St. will begin this fall. The project marks another major bet on Midtown’s evolving office market, with leasing director Steven Durels sharing details late this week.

The site, steps from Grand Central Terminal, has long been eyed for redevelopment. Since Brooks Brothers shuttered its iconic store, speculation swirled about the future of the block. Now, as construction fencing goes up and crews prepare for demolition, neighboring businesses are watching for signs of the district’s next chapter.

SL Green, Manhattan’s largest commercial landlord, is forging ahead at a moment when hybrid work and high interest rates have upended office leasing dynamics. Still, sources tell NYC Business Pulse that initial inquiries from blue-chip tenants have been encouraging, hinting at sustained demand for top-tier new construction.

This project joins a handful of high-profile towers underway in Midtown East, signaling continued confidence in the Grand Central submarket. SL Green’s team is expected to reveal renderings and leasing plans in the coming weeks as demolition ramps up. For now, Madison Avenue commuters and local property owners are bracing for the next wave of construction—and the promise of a new commercial landmark.

Frequently Asked Questions

What is SL Green planning to build at 346 Madison Avenue?

SL Green is planning to build a 46-story tower at 346 Madison Avenue.

When will demolition begin for the new SL Green tower project?

Demolition work on the former Brooks Brothers building and its neighbor at 11 E. 44th St. will begin this fall.

Which buildings are being demolished for the new tower at 346 Madison Avenue?

The former Brooks Brothers building and the neighboring property at 11 E. 44th St. are being demolished.

Why is SL Green developing a new tower in Midtown despite office market challenges?

SL Green is moving forward with the project despite hybrid work and high interest rates, as initial inquiries from blue-chip tenants have been encouraging.

When will SL Green release renderings and leasing plans for the new tower?

SL Green’s team is expected to reveal renderings and leasing plans in the coming weeks as demolition ramps up.

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