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Western Precinct at O.R. Tambo International Airport

Elevating Africa’s airport infrastructure

Delivering ACSA’s new head office at South Africa’s busiest airport

Key takeaways

33,000

m² office space

10

storeys

4

star Green Building Council rating

  • Mace delivered over 33,000m² of premium office space for Airports Company South Africa at O.R. Tambo International Airport 
  • Achieved a 4-star Green Building Council rating, with sustainable design, high-spec finishes, and advanced building systems 
  • Completed in a live airport environment, maintaining operations and security while upgrading infrastructure and accessibility 

Mace was appointed to deliver Phase 1A of the Western Precinct Development at O.R. Tambo International Airport in Johannesburg, South Africa.

The project forms a key part of Airports Company South Africa’s (ACSA) wider Aerotropolis strategy, aimed at enhancing the airport’s role as a catalyst for economic growth in South Africa and the region.

Delivered as a turn-key development by the ACSA Western Precinct Consortium, the scheme comprises over 33,000m² of premium office space across 10 storeys, designed to house the new ACSA head office.

Sustainability was central to the project’s vision, with the team successfully achieving a 4-star rating from the Green Building Council of South Africa, underpinned by high-performance plant and state-of-the-art finishes.

The development also includes a five-level basement and a dedicated data centre hall. Above, the landscaped podium level connects three office towers, creating a vibrant and accessible precinct. As part of the works, existing road infrastructure and intersections were upgraded to improve traffic flow and reduce congestion.

The project was delivered in a live airport environment, requiring meticulous planning and stakeholder engagement to maintain operations and security throughout. The successful completion of the project marked a significant milestone in the transformation of the airport precinct.

A modern glass-fronted office building with sleek geometric design and reflective windows, viewed from a curved roadway at sunset.