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Heathrow third runway gets UK approval
UK ministers approved Heathrow Airport’s own plan for a third runway on November 26, 2025, opening the door to construction next year.
The Heathrow third runway decision marks a major step in a long-running debate over capacity and climate impact at the UK’s busiest airport. The government selected Heathrow’s in-house proposal over a rival concept, saying the airport’s plan best meets national connectivity and economic goals. Construction is slated to begin in 2026, subject to the remaining regulatory approvals and planning conditions.
What the Heathrow third runway plan includes
Heathrow says the expansion will relieve chronic congestion at the airport and support future passenger demand, improving long-haul connectivity for the UK. Opponents, including local community groups and environmental campaigners, say the project risks higher emissions, noise and disruption for nearby towns. Ministers acknowledged those concerns but concluded the airport’s scheme offered the strongest overall case.
- Key outcomes: the Heathrow third runway decision aims to increase long-haul connectivity and airport capacity while proceeding through regulatory checks.
- Next steps: Heathrow must complete statutory approvals, satisfy environmental conditions, and secure construction permits before groundworks begin in 2026.
Legal and planning challenges are still possible. Past phases of Heathrow expansion have seen judicial reviews and lengthy consultations; campaigners may explore similar routes. For now, the government’s November 26, 2025 announcement is the clearest signal yet that the project will move from planning into delivery, provided the airport meets strict environmental and community mitigation requirements.
The aviation industry will watch closely. If built, the third runway would reshape slot availability and route development at London Heathrow, with implications for airlines, passengers and freight operators. Heathrow, national regulators and local authorities now face the task of balancing construction timelines with stringent environmental monitoring and community engagement as the scheme progresses into 2026.
