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By Heathrow

Kelly Review published

Kelly Review published into the circumstances related to the closure of Heathrow Airport on 21 March 2025.

Heathrow Chairman Lord Deighton said:

“The Board would like to thank Ruth Kelly, Joan MacNaughton and Mark Brooker for their diligence in investigating Heathrow’s preparedness for the fire at the North Hyde substation and how the airport subsequently handled its impact. The Kelly Review is thorough with clear recommendations which the management team will be taking forward. This was an unprecedented set of circumstances, but the learnings identified in the Kelly Review will make Heathrow more fit for the future.”

The Rt Hon Ruth Kelly, former Secretary of State for Transport said:

“The report we’re publishing today provides a detailed account of the events surrounding Heathrow’s preparedness for and response to the North Hyde substation fire in March. I’ve shared its findings and recommendations in full with the Transport Secretary, the CAA and the Chair of the Transport Select Committee.

“The evidence confirms that Heathrow made the right decisions in exceptionally difficult circumstances. Whilst the disruption was significant, alternative choices on the day would not have materially changed the outcome. The airport had contingency plans in place, and the report highlights that further planned investment in energy resilience will be key to reducing the impact of any similar events in the future.

“The report sets out a number of important recommendations, which Heathrow’s leadership team will now take forward. I would like to thank those who contributed to the inquiry for their transparency and cooperation, and I’m especially grateful to Joan MacNaughton and Mark Brooker for their expertise and support throughout this process.”

Read The Kelly Review (1.1MB PDF)