Written question asked by Sarah Olney (Liberal Democrat) on Friday, 28 August 2026, in the House of Commons. It was due for an answer on Wednesday, 2 September 2026. It was answered by Keir Mather (Labour) on Tuesday, 8 September 2026 on behalf of the Department for Transport.
Heathrow Airport: Construction
- Question
-
To ask the Secretary of State for Transport, what assessment she has made of the risk that the cost of Heathrow expansion will exceed current estimates; and what safeguards will be put in place to ensure that any cost overruns are not borne by taxpayers.
- Answer
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Any proposal for Heathrow expansion will be subject to rigorous scrutiny through the planning, regulatory and approval processes, including assessment of its costs, deliverability and value for money. It will be for the scheme promoter to secure financing and manage delivery risks, including any cost overruns.
Secondary information
- Type
- Written question
- Reference
- 21298
- Session
- 2026-27
- Subjects
- Costs Construction Heathrow Airport
- Link
- View this Written question on www.parliament.uk
Librarians' tools
- Timestamp
- 2026-09-08 20:09:48 +0100
- URI
- http://data.parliament.uk/writtenparliamentaryquestion/commons/2026-27/21298
- In Indexing
- http://indexing.parliament.uk/Content/Edit/1?uri=http://data.parliament.uk/writtenparliamentaryquestion/commons/2026-27/21298
- In Solr
- https://search.parliament.uk/claw/solr/?id=http://data.parliament.uk/writtenparliamentaryquestion/commons/2026-27/21298