Mid-tier office space — older or less prestigious than Class A, typically at lower rents.

  • Mid-tier office space — older or less prestigious than Class A, typically at lower rents.
  • Class B office is functional, often older or in secondary submarkets, with mid-grade MEP and amenities.

Class B

Asset class · Global

Short definition

Mid-tier office space — older or less prestigious than Class A, typically at lower rents.

Full definition

Class B office is functional, often older or in secondary submarkets, with mid-grade MEP and amenities. Rents typically run 30-60% below Class A in the same submarket. Class B has been the most repriced segment of this cycle as flight-to-quality has accelerated.

Why this matters for Class A leasing

Class B is part of the asset class 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.

See also