1-4 Marble Arch

Project Context

1–4 Marble Arch, located within London’s prestigious Portman Estate, is a mixed-use development that has undergone a significant redevelopment. Originally a 57,000 sq. ft office and retail property, the building was transformed through a meticulous refurbishment process, which included demolition of the existing structure while sensitively retaining its historic façade. Completed in 2022, the scheme now offers 79,000 sq. ft of high-quality space, comprising 55,000 sq. ft of grade A office accommodation across seven floors and 24,000 sq. ft of flagship retail over three levels.

The redevelopment also introduced state-of-the-art digital systems to support modern workplace and retail requirements. These include resilient, high-bandwidth fibre connectivity, structured cabling to all office floors, and secure wired and wireless networks to enable flexible space planning and hybrid working. Intelligent building management, access control, and CCTV systems are integrated over IP networks, allowing central monitoring, energy optimisation, and enhanced security for both office tenants and retail operators.