The developer of Kingdom City, Jeddah Economic Company (JEC), selected the AS+GG scheme after a lengthy competition process in which SOM, Pickard Chilton, Kohn Pedersen Fox, Pelli Clarke Pelli and Foster + Partners also participated. (ESD) and structural engineering consultants Thornton Tomasetti. Kingdom Tower will cost approximately $1.2 billion to construct, while the cost of the entire Kingdom City project is anticipated to be $20 billion.ĪS+GG is leading an interdisciplinary design team that also includes building services engineering consultants Environmental Systems Design, Inc. Foundation drawings are complete and the piling for the tower is currently being tendered. Kingdom Tower will feature a Four Seasons hotel, Four Seasons serviced apartments, Class A office space, luxury condominiums and the world’s highest observatory.ĭesign development of the tower is under way, with construction to begin imminently. The tower’s height will be at least 173 meters (568 feet) taller than the world’s current tallest building, Dubai’s 828-meter-tall Burj Khalifa, which was designed by Adrian Smith while at Skidmore, Owings & Merrill. Here are some more details from the architects:Īdrian Smith + Gordon Gill Architecture is pleased to announce that it is designing Kingdom Tower, to be the world’s tallest building, in Jeddah, Saudi Arabia, near the Red Sea.Īt over 1,000 meters (3,280 feet) and a total construction area of 530,000 square meters (5.7 million square feet), Kingdom Tower will be the centerpiece and first construction phase of the Kingdom City development on a 5.3 million-square-meter site in north Jeddah.