London City Core 5-Star Office Vacancy Falls to 15-Year Low of 2.1%, CoStar Says

• London’s City Core accounted for over 42% of Central London’s four-star office demand in 2026, versus 18% for five-star space.
• Five-star vacancy in the City Core fell to a 15-year low of 2.1%, versus Central London’s 6.7%, on three-period trailing averages.
• Tight supply and high top-end rents are pushing demand toward good-quality refurbished offices.
• The City Core delivered over 12 million square feet in 10 years, representing more than 35% of Central London’s new supply.
• Upper-floor rents in newly delivered towers exceeded £150 per square foot; prime non-tower rents are likely to exceed £130 per square foot.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. CoStar Group Inc. published the original content used to generate this news brief via Business Wire (Ref. ID: 202610290500BIZWIRE_USPR_____20261029_BW738989) on October 29, 2026, and is solely responsible for the information contained therein.