Seoul Class A vacancy is 5.2% with the market trending rising — pipeline visibility matters more than headline vacancy.

• Headline vacancy: 5.2%; trend rising.
• Trophy submarket (Jongno / Gwanghwamun (CBD)) typically clears at half headline vacancy.
• New construction lead time is 36–60 months — pipeline is largely fixed for the next cycle.
• Pre-let activity dominates the new-build pipeline.

TL;DR

• Headline vacancy: 5.2%; trend rising.
• Trophy submarket (Jongno / Gwanghwamun (CBD)) typically clears at half headline vacancy.
• New construction lead time is 36–60 months — pipeline is largely fixed for the next cycle.
• Pre-let activity dominates the new-build pipeline.

Headline vs trophy availability

Headline Seoul Class A vacancy of 5.2% includes a long tail of older, less-amenitised stock. The trophy tier in Jongno / Gwanghwamun (CBD) typically clears at materially below headline.

Pipeline visibility

Construction lead times of 36–60 months mean the next cycle's supply is already largely visible. Tracked pipeline includes 3 notable assets in Seoul.

Key facts

Frequently asked questions

Is Seoul Class A office tight right now?

Headline vacancy is 5.2%. Trophy is materially tighter; older Class A and Class B carry the long tail.

Editorial provenance

Reviewed by Kenji Watanabe — APAC contributing editor. Last updated 2026-04-15. See our methodology and editorial standards.

Primary sources for this page

• CBRE Marketview reports — CBRE
• JLL Office Insight — JLL
• Cushman & Wakefield Marketbeat — Cushman & Wakefield
• Savills World Research — Savills
• Colliers Global Office Outlook — Colliers

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Related topics

• Trophy Asset Selection — How to identify and evaluate trophy Class A assets for a flagship requirement.