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Heathrow Airport: Construction

Asked by Mr Richard HoldenConservativeDepartment for TransportTabled Answered 24 October 2025UIN 82749

The question

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.

Answered by Keir Mather

A 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 entirely by the private sector.

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