OpenAI announces first permanent UK office at Regent Quarter
London – 04 April 2026
AI research and deployment company OpenAI has chosen Jahn Court & Brassworks, Regent Quarter in King’s Cross as the home of its first permanent London office, in a landmark letting secured by Endurance Land. This pivotal transaction signals a bold new chapter for Regent Quarter as one of the world’s most influential AI pioneers establishes its presence at the heart of London’s innovation district.
The company has signed an 88,500 square foot space spanning Jahn Court and the Brassworks Building and is expected to open in 2027. OpenAI’s arrival not only elevates Jahn Court but powerfully underpins Regent Quarter’s strong locality for global innovation tenants.
Spanning 260,073 sq ft across 12 office buildings, alongside 20 retail and leisure units, Regent Quarter offers a dynamic, mixed-use ecosystem purpose-built for collaboration, creativity, and growth. The wider estate’s evolution is set to accelerate even further with the upcoming Times House & Laundry Building development, due for completion in the second half of 2027. This next phase will introduce premium Grade A workspace, enhanced public realm, and an expanded mix of retail and leisure, cementing Regent Quarter’s status as a thriving destination for creative, technology, and knowledge-led businesses.
Oliver Jackson, Director at Endurance Land said
“We are proud and delighted to welcome OpenAI to Jahn Court & Brassworks, Regent Quarter. This landmark letting represents a pivotal moment for Regent Quarter as a destination for pioneering organisations shaping the future of their industries. As we continue to evolve the estate, our ambition at Endurance Land is to create a campus for knowledge-led occupiers that attracts and supports leading global innovators, fostering a dynamic ecosystem defined by collaboration, innovation and long-term growth. We look forward to building a long-term relationship with OpenAI, supporting their continued growth at Regent Quarter through our strong amenity provision and the flexibility to expand as their requirements evolve.”
Phoebe Thacker, global head of data research programmes and London site lead at OpenAI, said:
“The UK has an incredible depth of talent and a strong track record in AI. London is already a key hub for our research and teams, and this new office gives us the space to keep building here.
“We’re seeing real momentum in how businesses, developers and institutions across the UK are using AI, and we want to support that growth. This investment reflects our long-term commitment to the UK and the role it can play in shaping how AI is developed safely and used to benefit people all over the world.”
Jahn Court will accommodate OpenAI’s London based teams across research, engineering, customer support, integrity enterprise, start-ups, policy, communications, marketing and sales. Occupation expected from 2027 under a long-term lease agreement.
About Endurance Land
Endurance Land, a Member of Nan Fung Group, specialises in the refurbishment, development and active management of real estate with a particular focus on creating market leading workspace in Central London. The company’s mission is to be an industry leader in sustainable and technology driven development and property investment. Endurance Land has an experienced management team and an exemplary track record spanning all aspects of the property lifecycle from acquisition to all aspects of development and asset management.
About Nan Fung Group
Building a Global Stage for Talents from All Walks of Life. From homes to talent hubs, Nan Fung Group has led the industry for decades. Through the development and acquisition of properties internationally, we are expanding our portfolio in unprecedented ways and will continue to flourish as a property and talent developer. With net assets around £11 billion, the Group’s track record spans over 170 projects comprising over 69 million square feet. The Group also holds a well-diversified financial investment portfolio and has made significant investments in the life sciences sector globally.
About Open AI
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits everyone.
