London-based real estate investment firm Castleforge has partnered with New Jersey's Conversant Capital to invest in Central London office assets.

London
Conversant has made an initial commitment of £150 mln (€172 mln) to Castleforge Partners V (Special Opportunities Fund), which aims to deploy over £1 bn (€1.1 bn) in total asset value into the Central London office market over the coming years.
The partnership's flexible strategy allows for investments across the capital structure – including equity, credit, and joint ventures – targeting well-located offices with excellent transport links.
This initiative comes at a time of strong demand for prime Central London office space, driven by return-to-office trends and relocations to central areas. Simultaneously, rising construction costs and stricter regulations have limited new development, creating a shortage of high-quality office inventory.
The fund has already completed two initial investments in the City of London:
A £90 mln (€103 mln) recapitalization of 55 Mark Lane, a 15,050 m2 multi-let office building in the EC3 insurance district. Castleforge will act as lender, asset manager, and development manager for this project, which will refinance an existing mortgage and fund capital improvements.
The acquisition of a secondary interest in 75 London Wall, Castleforge's nearly 46,451 m2 flagship office redevelopment. This project is being transformed into a state-of-the-art workplace with a focus on sustainability, tenant wellbeing, and modern design, making it one of the largest ongoing redevelopments in the City.
Michael Kovacs, founding partner at Castleforge, stated: "I'm excited to be working with Michael and his team. Our two organizations have a lot of overlapping relationships and think very similarly about investing. Central London remains one of the most dynamic office markets in the world, yet the imbalance between supply and demand is now more pronounced than ever. With Conversant's support, we are well-positioned to deliver prime, well-located office space at a time when companies are looking to bring employees back to the office and prioritize quality, connectivity, and sustainability. Our investment in 75 London Wall epitomizes this strategy, a rare, large-scale redevelopment that will provide London with a new benchmark for high-quality, future-proofed workspace."
Michael Simanovsky, managing partner of Conversant Capital, added: "Our partnership with Castleforge reflects our conviction in London's office market and in our collective ability to identify and unlock value. We believe the current dislocation in the sector presents an exceptional opportunity, where limited new supply and rising demand create the conditions for outsized risk-adjusted returns. With our two firms' deep domain expertise and relationships, coupled with a flexible mandate to invest across the capital structure, this Fund is structured to capture opportunities others cannot, combining downside protection with significant upside potential."
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