Written Question·Department for Transport·UIN 82749
Heathrow Airport: Construction
Tabled: 16 October 2025
Answered: 24 October 2025
Question
Mr Richard Holden
Conservative — Basildon and Billericay
To ask the Secretary of State for Transport, whether her Department undertook a value-for-money assessment under HM Treasury Green Book guidance before announcing its support for the expansion of Heathrow Airport.
Answer
Keir MatherA Treasury Green Book Value for Money assessment is a process and judgement about the optimal use of public resources to achieve the stated objectives of a project. We have been clear throughout that any expansion of Heathrow Airport should be funded enti...
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