Heathrow Airport Expansion (Third Runway & H8 Capital Plan)

StageHeathrow consultation on updated expansion proposals open 27 October to 22 December 2026
Next milestoneRefine plans and submit application to government
Last checked1 November 2026

Source: Heathrow, Expansion consultation →

What has changed on this project, and when

Next milestone: Refine plans and submit application to government2 November 2026 · previously: Submission of expansion proposals to Government and DCO application preparation during 2026
Stage: Heathrow consultation on updated expansion proposals open 27 October to 22 December 20262 November 2026 · previously: DCO application work funded (Jan 2026); draft ANPS due summer 2026, parliamentary ANPS vote autumn 2026
Value: Not disclosed2 November 2026 · previously: ~£49bn expansion proposal; £10bn H8 capital plan (runway not yet committed)

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