Written Question·Department for Transport·UIN 16864

Aviation: Noise

Tabled: 8 July 2026

Answered: 4 August 2026

Question

Bob Blackman

To ask the Secretary of State for Transport, what estimate her Department has made of the number of people in Harrow constituency who will be exposed to aircraft noise above 43dB LAeq in the next five years.

Answer

Keir Mather

The government does not routinely produce noise forecasts for airports. However, the draft Heathrow Expansion National Policy Statement Appraisal of Sustainability Noise Annex shows a comparison of 43dB LAeq noise contours for 2024 and 2055 and estimates ...

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