Addressee: Nuclear Decommissioning Authority · Source location: Page 12, Recommendation a (following paragraph 21).
Sellafield should: develop an approach that demonstrates to stakeholders that effective progress is being made towards decommissioning the site. This should cover enabling activities and include progress to date at Sellafield, while also supporting future funding choices and Spending Review decisions
Response position:
Accepted
Delivery:
In progress
· Q4 2026-27
· Confirmed by NAO
Addressee: Nuclear Decommissioning Authority · Source location: Page 12, Recommendation b (below paragraph 21)
Sellafield should: carry out an assessment of the culture across the site and develop suitable metrics to assess and monitor whether all areas of the site and its leadership are positively contributing to creating a high performing public sector organisation.
Response position:
Accepted
Delivery:
Implemented
· Q4 2025-26
· Confirmed by NAO
Addressee: Department for Energy Security and Net Zero; HM Treasury; Nuclear Decommissioning Authority · Source location: Page 12, Recommendation d (below paragraph 21)
HM Treasury should consider what information and evidence it would need from the NDA group to be able to consider longer term settlements. The NDA should explore whether longer-term budgets for Sellafield are feasible
Response position:
Accepted
Delivery:
In progress
· Q4 2026-27
· Confirmed by NAO
Addressee: Nuclear Decommissioning Authority · Source location: Page 12, Recommendation c (below paragraph 21)
The Nuclear Decommissioning Authority, with its group subsidiaries, should: develop measures to assess the operational effectiveness of its sites. In particular, it should monitor whether Sellafield is maintaining the capability needed to continue to operate safely and deliver progress with the mission.
Response position:
Accepted
Delivery:
In progress
· Q3 2026-27
· Confirmed by NAO