Construction Review
M Kubwa
26 May 2026
The cost of the planning application for Heathrow’s Airport Third Runway is expected to surpass £700m. This is by the time it is submitted in 2027. This is according to the airport’s latest estimates. This project comes in as UK’s airports gear up to improve their infrastructure in bid to meet the global competition.
Heathrow Airport chief communications and sustainability officer Nigel Milton said approximately £400m had been spent on the planning process. This is before the Grimshaw-designed project was paused in 2020. The project was paused over legal issues relating to the 2015 Paris climate treaty...
