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Canada’s Office Vacancies Edge Lower as Tenants Flock to Newer Downtown Towers

Supply reductions from conversions plus sublet withdrawals are helping stabilize the market.

Overview

  • CBRE reports 2.2 million square feet of net absorption in 2025, marking a second straight year of leasing growth.
  • The “flight to quality” intensified as downtown Class A vacancy fell to 15.4% and trophy buildings reached 10.4% nationally, versus 25.4% in Class B/C space.
  • Companies removed 3.2 million square feet of sublet space during 2025, reducing sublease availability to about 11.4 million square feet.
  • Eight office-to-residential conversions in Q4 alone eliminated more than one million square feet, while just 2.8 million square feet are under construction nationwide with roughly 70% pre-leased.
  • Local outcomes diverged: downtown Vancouver rose to 12.8% vacancy, a two-decade high yet the lowest among major cores, Calgary remained near 30.4% amid energy-sector subleasing, and Winnipeg hit 18.6% as tenants shifted to newer buildings.