The Department and HS2 Ltd’s failure to work together effectively is starkly illustrated by them not being able to agree how much HS2 will cost. The Department and HS2 Ltd have still not agreed on how much it will cost to complete Phase 1. They are yet to reach agreement on the methodology and assumptions that underpin their cost estimates. This has been exacerbated by HS2 Ltd failing to ensure it receives reliable data from its supply chain. The existing budget, set in 2019, is no longer via...

The Department and HS2 Ltd’s failure to work together effectively is starkly illustrated by them not being able to agree how much HS2 will cost. The Department and HS2 Ltd have still not agreed on how much it will cost to complete Phase 1. They are yet to reach agreement on the methodology and assumptions that underpin their cost estimates. This has been exacerbated by HS2 Ltd failing to ensure it receives reliable data from its supply chain. The existing budget, set in 2019, is no longer viable. With the estimates for completing Phase 1 now as high as £66bn in 2019 4 prices and inflation adjustments potentially representing an additional £10 Type: conclusion | Number: 2 | Response status: accepted Government response: The government agrees with the Committee's recommendation. comprehensive review of the programme, including HS2's current cost position and the capability and culture of HS2 Ltd, and to make recommendations to inform the programme reset. The department and HS2 Ltd have