A new research campus for life science start-ups

Arrowstreet transformed 200 Sidney, 40 Erie, and 21 Erie Streets into a multi-tenant campus catering to smaller life science companies for BioMed Realty Trust. Just outside of Kendall Square, this 340,000-square-foot office/lab building was formerly used by a single tenant. Arrowstreet renovated the complex using the Universal FlexLab concept to accommodate a variety of emerging biotech tenants. Along with design for four tenant workspaces/labs, major updates were made to the mechanical penthouse, and Class-A finish upgrades along with indoor and outdoor common areas and a new entry lobby. The main entrance of the building at 200 Sidney was relocated to create a campus atmosphere by aligning it with those of 21 & 40 Erie Street. Multiple outdoor gathering spaces were added to allow lab employees the ability to enjoy the site day and night, including a central area with architectural elements, seating, landscaping, and lighting. Arrowstreet was the original architect for the building, which was acquired and is now part of BioMed Realty’s Sidney Research Campus.

Project Details


Cambridge, MA




200 Sidney Street—LEED GOLD
40 Erie Street—LEED GOLD
21 Erie Street—LEED v4 Silver


Photos by Ed Wonsek ArtWorks Inc.

Architectural Plans / Process