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World’s Largest Passive House Office Building

Winthrop Center Tower


Boston, MA


MP Boston


1.5 million sf

Project type

Mixed-use & Housing

Collaborating Architect

Handel Architects

The voice DREAM brings to the public process is strong and effective. They are authentic and understand the local community and provide a perspective that goes beyond just the architecture of the building.

Kathleen C. MacNeil

Principal, MP Boston

Winthrop Center is a new 1.5 million square foot tower located in the heart of the Financial District. The program includes next generation office space, residences, underground parking, and ground floor public space called the Connector that connects Federal and Devonshire streets and creates a new year round destination that is a welcoming place for all of Boston. Winthrop Center is the largest Passive House office project in the world. The building will achieve LEED Gold certification for its residential portion, LEED Platinum certification and WELL Gold certification. 

MP Boston is the Developer, Handel Architects was the Project Architect and DREAM was the Collaborating Architect. DREAM’s focus was on early concept work and assisting the team through the project Article 80 process, public meetings, shadow studies, review of historic neighboring buildings and impacts. Photography curtesy of Bruce Martin Photography.