Written Question·Department for Transport·UIN 96049

Lower Thames Crossing: Costs

Tabled: 1 December 2025
Answered: 17 December 2025

Question

James McMurdock

Independent — South Basildon and East Thurrock

To ask the Secretary of State for Transport, what assessment she has made of the risk of cost escalation in the Lower Thames Crossing project.

Answer

Simon Lightwood
While the Development Consent Order (DCO) provides a fixed framework that limits scope-driven changes and offers higher cost certainty for delivery, it is important to note that at this stage of a project of this size and complexity there is always a leve...
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