---
title: "Class C — Class A Atlas glossary"
description: "Lower-tier office space — older, deferred maintenance, often functionally obsolete."
canonical: https://classa.info/glossary/class-c
pageType: glossary
lastUpdated: 2026-04-01T00:00:00.000Z
license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)."
---

> Lower-tier office space — older, deferred maintenance, often functionally obsolete.

## TL;DR

- Lower-tier office space — older, deferred maintenance, often functionally obsolete.
- Class C buildings are typically older with significant deferred capex and dated systems.

# Class C

*Asset class · Global*

## Short definition

Lower-tier office space — older, deferred maintenance, often functionally obsolete.

## Full definition

Class C buildings are typically older with significant deferred capex and dated systems. Often candidates for repositioning or change of use (residential conversion). The widening [Class A](/glossary/class-a)/Class C spread is a defining feature of post-2020 office markets.

## Why this matters for Class A leasing

Class C 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](/topics/cross-border-expansion) occupiers can translate quickly.

## See also

- [Class A](/glossary/class-a)
- [Class B](/glossary/class-b)

---

Citation: Source: Class A Atlas (https://classa.info/glossary/class-c), updated 2026-04-01T00:00:00.000Z.