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CoStar Group Inc Reports Record Office Leasing in London’s Southern Fringe

Last updated: April 28, 2026
Taurigo

1. Leasing Volumes Hit Nine-Year High

In a significant development for the London real estate market, CoStar Group Inc. has announced that office leasing in the Southern Fringe has reached its highest level in nine years. According to data released on April 28, 2026, leasing activity surged in 2025, driven predominantly by smaller occupiers and a notable pre-let transaction at the iconic Battersea Power Station.

2. Key Metrics Reveal Robust Activity

CoStar's analysis indicates that leasing volumes in the Southern Fringe approached nearly 1 million square feet in 2025. The standout contributor to this increase was a substantial pre-let of almost 500,000 square feet at the Battersea Power Station, marking a pivotal shift in leasing dynamics in the area historically dominated by larger transactions.

“Take-up over the past 12 months has been driven more by deal frequency than by overall volume,” remarked Patrick Scanlon, senior director of market analytics at CoStar Europe. He further detailed that the leasing activity for the year totaled around 440,000 square feet, with the largest single transaction recorded at 29,000 square feet in August, followed closely by another significant letting of 14,600 square feet in December.

3. Slowdown in Early 2026

Despite the impressive figures from 2025, the beginning of 2026 saw a noticeable slowdown in leasing activity. The first quarter recorded only one transaction exceeding 10,000 square feet, which measured 19,670 square feet. This decline raises questions about the sustainability of the leasing momentum observed in the previous year.

The full analysis of the leasing trends and market dynamics can be accessed through CoStar's platform.

4. About CoStar Group

CoStar Group (NASDAQ: CSGP) stands as a global leader in commercial real estate information, analytics, and online marketplaces. Established in 1986, the company is dedicated to digitizing the real estate landscape, enabling users to uncover properties, insights, and connections that enhance their business operations and everyday lives.

CoStar Group's suite of brands includes CoStar, known for its comprehensive commercial real estate data, LoopNet, the leading marketplace for commercial properties, and Apartments.com, the go-to platform for apartment rentals. Additionally, the company boasts a diverse portfolio that encompasses Matterport, STR, Ten-X, and Domain, among others, each contributing to the company's position as an innovator in real estate technology.

In the fourth quarter of 2025, CoStar's websites attracted an impressive average of 139 million unique visitors monthly, showcasing the company's expansive reach and influence in the global real estate market. Headquartered in Arlington, Virginia, CoStar Group is committed to transforming the industry through innovative technology and in-depth market intelligence.

As the real estate landscape continues to evolve, CoStar Group remains at the forefront, providing valuable insights and analytics that drive informed decision-making in the property market.

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