Led by ACDF Architecture in collaboration with BVN, the reimagined (and slightly downsized) offices of McCarthy Tétrault are located within one of Montreal’s tallest towers.

The two-day event—now in its eighth year—attracted 3,000 professionals from 39 countries. 

Designed to passive-house principles, an airy multi-story addition to a Carroll Gardens, Brooklyn, rowhouse adds 30 percent more area to the building while requiring only 12 percent additional energy consumption.