Heathrow Airport: Noise
2026-07-13 · Department for Transport · 18735 · Official question
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.
Answer
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 dist...