A burst water main below Inner Ring Road West caused flooding at Heathrow Airport on August 15, 2026, leading to road closures that restrict access to Terminals 2 and 3 within the Central Terminal Area (CTA).
Terminals 2 and 3 Access Blocked by Flooding
The flooding affected the Central Terminal Area roads connecting Terminals 2 and 3, forcing authorities to close these routes. Passengers were advised not to travel by road to either terminal due to blocked access. Although flights within Terminals 2 and 3 were not disrupted and no flooding was reported inside the terminals, travel to and from these terminals by car remains restricted.
Heathrow Airport
recommended travelers use alternative options including the Heathrow Express, Elizabeth Line, and Piccadilly Line rail services. Additionally, park and ride facilities at Terminals 4 and 5 were designated for passengers accessing Terminals 2 and 3, with free rail transfers provided from those terminals.
Official Advisories and Passenger Guidance
A Heathrow Airport spokesperson confirmed that flooding led to ongoing road closures in the Central Terminal Area. Passengers traveling to or from Terminals 2 and 3 were instructed to avoid road travel entirely and instead rely on rail services where possible. For those who must use vehicles, parking at Terminals 4 or 5 followed by rail transit
to Terminals 2 or 3 was recommended.
The airport requested passengers to allow for additional travel time amid these disruptions. Teams were reported to be actively working to resolve the flooding issue as quickly as possible. The spokesperson apologized for the disruption caused by the incident.
Disruption During Peak Summer Travel Period
The flood-related closures at Heathrow occurred during peak demand in the school summer holiday period, when the airport handles hundreds of thousands of travelers. The disruption predominantly affected passenger flow to Terminals 2 and 3, which are major components of the Central Terminal Area connected by the Inner Ring Road network.
Travelers planning to
use Heathrow on August 15, 2026 were advised to adjust their routes and schedules in response to the flood-induced road closures.
