Expansion of Heathrow Airport (Third Runway)
A nationally significant infrastructure project in Aylesbury Vale, Buckinghamshire, Chiltern South Bucks, Ealing, Hertfordshire, Hillingdon, Hounslow, Richmond, Slough, Spelthorne, Three Rivers, Windsor, Wycombe. The promoter is consulting and preparing its application.
Free. We'll email you when it moves stage: consultation, submission, examination and decision.
Where it is in the process
- Pre-application
- Submitted
- Pre-examination
- Examination
- Recommendation
- Decision due
- Decided
The site
The outline is the boundary the promoter published. It can include cable, pipeline or road routes as well as the main site. 3,501 hectares inside the published boundary.
What is proposed
Expansion of Heathrow Airport to enable at least 740,000 air traffic movements per annum and including a new runway to the north-west of the existing airport; supporting airfield, terminal and transport infrastructure; works to the M25, local roads and rivers; temporary construction works, mitigation works and other associated development.
Linked planning applications
Council consultations, related applications and requirement sign-offs that quote this project.
- 25/01077/EIASO · Spelthorne · 3 September 2025
EIA Scoping and Consultation and Regulation 11 Notification (TR020003 - Heathrow Expansion)
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