Written questions

Heathrow Airport: Construction

Commons · Question 21294 · Tabled 28 Aug 2026 · Department for Transport · Official record

Answered 4 Sep 2026

Question

Asked by Sarah Olney

To ask the Secretary of State for Transport, whether her Department has independently verified Heathrow Airport Limited’s projected cost of expansion.

Answer

Answered by Keir Mather, 4 Sep 2026

The draft Heathrow Expansion National Policy Statement (HENPS) makes clear that potential promoters should seek to minimise costs where possible. Given the long-term nature of the expansion programme and significant costs that will likely be involved, the...