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Heathrow Airport: Noise

Asked by Alex SobelLabour (Co-op)Department for TransportTabled Answered 10 August 2026UIN 18688

The question

To ask the Secretary of State for Transport, in preparing the Heathrow Expansion Appraisal Report, what consideration her Department gave to modelling the potential monetised costs of noise pollution from expansion.

Answered by Keir Mather

The Heathrow Expansion Appraisal Report estimates monetised disbenefits of noise to be approximately -£1.6 billion (2024 prices) over a 60-year appraisal period. This reflects the estimated increased noise exposure causing health, annoyance and sleep disturbance impacts.

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