Two iconic office buildings in New York City, located just across from the United Nations headquarters, are about to get a major makeover. The United Nations Development Corporation (UNDC) is kicking off a $500 million renovation project for One and Two UN Plaza, aiming to transform them into modern, sustainable office spaces that will better serve the UN’s needs.
What’s Happening at One and Two UN Plaza?
These two office buildings, which have long been a part of New York’s skyline, are getting a much-needed facelift. The renovation is not just about making the buildings look more stylish—it’s about consolidating the UN’s office footprint in the city. With the massive redevelopment, the UN aims to streamline its operations and make better use of its space, right in the heart of Manhattan.
According to an announcement from the UNDC, the renovation is expected to begin in Q2 2025, with a major portion of the $500 million investment directed toward upgrading the infrastructure and improving the overall functionality of these buildings. This development marks a significant step forward in the UN’s ongoing effort to modernize its operations and reduce operational costs.
Why Is the Renovation So Important?
While these buildings have served as key office spaces for UN personnel and various agencies for decades, they’ve begun to show signs of age. The project will not only revitalize the buildings but also make them more efficient, modern, and eco-friendly.
Here’s why this renovation is a big deal:
1. Sustainability is Key
The renovation will focus on making the buildings more environmentally friendly. With a greater emphasis on energy efficiency and green design, these buildings will align with the UN’s long-standing goals of sustainability. Expect better use of solar energy, recycling systems, and the reduction of carbon footprints, which will be beneficial both for the UN and the environment.
2. Better Office Space for the UN’s Growing Needs
The new design will ensure that the UN’s personnel have state-of-the-art facilities. With improved office layouts, more collaborative spaces, and better technology integration, these buildings will be able to cater to the UN’s expanding workforce and global initiatives.
By consolidating more of its operations in these buildings, the UN will be able to improve workflow efficiency and centralize many of its administrative functions under one roof.
3. Economic Growth for the Local Area
The renovation project is not just beneficial to the UN; it will also have a positive impact on the local economy. The construction will create hundreds of jobs for workers, from contractors and engineers to architects and designers. Additionally, when completed, the buildings will be more attractive to tenants, potentially increasing the commercial value of the area surrounding the United Nations complex.
What Does This Mean for Three UN Plaza?
As part of this major revamp, UNICEF, the United Nations Children’s Fund, is expected to take over ownership of Three UN Plaza. This building, which is also located in the same area, will no longer be part of the UNDC’s renovation plan for One and Two UN Plaza.
UNICEF’s new ownership of Three UN Plaza will provide them with a permanent home for their operations in New York, enabling the organization to better support its mission globally.
How Will This Affect the UN’s Presence in New York?
New York City has long been the center of international diplomacy, and these buildings are vital to maintaining the UN’s operations in the city. Renovating One and Two UN Plaza is part of the broader plan to keep the UN’s physical presence in Manhattan strong and sustainable.
This project will provide the UN with upgraded facilities that allow them to continue hosting thousands of diplomats, government officials, and leaders from around the world. The overhaul will give the organization a cutting-edge workspace, aligning its infrastructure with the modern-day needs of a global institution.
Moreover, this redevelopment fits into the wider context of New York City’s ongoing efforts to revitalize its office spaces, particularly in the midtown area, as more companies and international organizations look to adapt to the demands of the post-pandemic world.
What Does the Future Hold for UNDC’s Investment?
The UNDC’s commitment to investing in these two important buildings shows a strong push for future-proofing the UN’s New York base. By keeping their operations within walking distance of the iconic UN Headquarters, the UN is ensuring that it remains a focal point of global diplomacy.
This large-scale investment also aligns with global efforts to make international institutions more modern, cost-effective, and environmentally responsible. The project will be a key milestone in New York’s development as a hub for international organizations and businesses.
What’s Next?
Construction for the renovation is expected to begin in the second quarter of 2025. With a clear focus on sustainability and operational efficiency, One and Two UN Plaza will undergo a transformation that will likely serve as a model for other international organizations looking to upgrade their facilities.
The UNDC is betting that the $500 million investment will not only rejuvenate the buildings but will also result in long-term savings and enhanced operational capacity for the UN. Once completed, these buildings will be among the most modern and sustainable office spaces in New York City.

I am Aparna Sahu
Investment Specialist and Financial Writer
With 2 years of experience in the financial sector, Aparna brings a wealth of knowledge and insight to Investor Welcome. As an accomplished author and investment specialist, Aparna has a passion for demystifying complex financial concepts and empowering investors with actionable strategies. She has been featured in relevant publications, if any, and is dedicated to providing clear, evidence-based analysis that helps clients make informed investment decisions. Aparna holds a relevant degree or certification and is committed to staying ahead of market trends to deliver the most up-to-date advice.