Edinburgh Airport Announces £500 Million Expansion Plan

Edinburgh Airports (EDI) has unveiled a £500 million ($670 million) capital investment program designed to expand its terminal footprint by 60 percent and add eight new departure gates over the next five years.

Announced in a press release on September 21, 2026, the multi-year development marks the largest infrastructure investment in the Scottish hub’s history. The project aims to accommodate growing passenger volumes while modernizing facilities under the ownership of VINCI Airports and Global Infrastructure Partners (GIP). According to reporting by Aviation Week, the airport handled approximately 17 million passengers in 2025.

Terminal expansion and construction timeline

The cornerstone of the initial development phase is the South East Pier Expansion (SEPEX). Infrastructure group Balfour Beatty secured the approximately £65 million contract for this phase in May 2025.

The two-story expansion will provide eight additional departure gates, new aircraft stands, and upgraded passenger amenities. According to the airport’s announcement, this first phase of the development is scheduled to fully open to passengers in the summer of 2027.

Nick Rowan, Managing Director for Scotland at Balfour Beatty, stated the company is proud to help deliver the infrastructure required for the airport’s next chapter of growth. A spokesperson for VINCI Airports and GIP noted the £500 million investment underscores their long-term commitment to increasing capacity and consolidating the facility’s role as Scotland’s primary international gateway.

Economic impact and leadership transition

The capital injection aligns with a period of significant transition for the airport’s executive team. On October 1, 2026, Mark Johnston, currently Chief Operating Officer at London Gatwick Airport (LGW), will succeed Gordon Dewar as Chief Executive of Edinburgh Airport. Dewar is stepping down after 14 years in the role, a tenure that saw annual passenger traffic nearly double from 9 million in 2012.

Dewar described the £500 million program as the biggest investment in the airport’s history, adding that the growth has cemented the facility’s position as Scotland’s busiest and best-connected airport.

The development also carries broader regional implications. An independent report published by BiGGAR Economics indicated that Edinburgh Airport generated £2.7 billion in economic value for Scotland in 2025 and supported nearly 44,000 jobs. First Minister of Scotland John Swinney stated the investment will support international connections and help drive regional economic growth.

AirPro News analysis

We view this £500 million commitment by VINCI Airports and GIP as a strong indicator of long-term confidence in the Scottish aviation market. By expanding the terminal footprint by 60 percent, Edinburgh Airport is proactively addressing the capacity constraints that often plague growing regional hubs. The timing of the announcement, arriving just days before Mark Johnston assumes the Chief Executive role, provides the incoming leadership with a clear, fully funded mandate for infrastructure modernization. The addition of eight new gates will likely allow the airport to attract new airline operators and expand its route network, particularly in the transatlantic and European leisure markets.

Sources: Edinburgh Airport