Months of vacancy assumed between tenant departure and replacement.

  • Months of vacancy assumed between tenant departure and replacement.
  • Standard underwriting assumption: 6–9 months downtime in gateway-city Class A.

Downtime assumption

Investment · Global

Short definition

Months of vacancy assumed between tenant departure and replacement.

Full definition

Standard underwriting assumption: 6–9 months downtime in gateway-city Class A. Lengthens to 12–18 months in lease-up buildings or markets with high vacancy.

Why this matters for Class A leasing

Downtime assumption is part of the investment vocabulary that institutional Class A occupiers, landlords, and advisers use across Global markets. Understanding it correctly affects how you read lease documents, model occupancy economics, and benchmark deal terms across cities. Class A Atlas tracks regional variation alongside the global standard so cross-border occupiers can translate quickly.