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MOD · MOD_0247_2324-Q1

Department page: Ministry of Defence

Data as atRatingEnd dateWhole-life cost
March 2024Amber (NISTA's independent assessment)Exempt under Sections 24 and 26 of the Freedom of Information Act 2000Exempt under Section 22 of the Freedom of Information Act 2000.
March 2025Section 24 - National securitySection 24 - National securitySection 22 - Information intended for future publication
March 2026Exempt under Section 24 - National securityExempt under Section 24 - National securityExempt under Section 22 - Information intended for future publication

Each year’s cost is shown with its price basis. Costs are not compared between years: the March 2024 and March 2025 reports state no price basis, and from March 2026 costs are in 2024/25 prices.

The department’s commentary

This is the department’s own commentary. It may use different prices from the table above, so its figures may not match.

March 2026

Rating: Exempt under Section 24 - National security

Schedule: Exempt under Section 24 - National security

Cost: Exempt under Section 22 - Information intended for future publication

Source: NISTA Major Projects Annual Report 2025-26 (data)

March 2025

Rating: Section 24 - National security

Schedule: Section 24 - National security

Cost: Section 22 - Information intended for future publication

Source: NISTA Annual Report 2024-25 (data)

March 2024

Rating: The Infrastructure Project Authority's Delivery Confidence Assessment rating at 23/24-Q4 is Amber. This is primarily due to the following factors. Scale, complexity and challenge of the Programme. In 2023 the FMC programme was established that draws together a number of infrastructure facilities into a single programme of activity that when completed will deliver the manufacture and storage of nuclear materials. The projects have interconnected schedules, common activities and overlapping requirements for resources. The change in approach to that of an integrated programme is the most effective means of maximising efficiencies.

Schedule: Exempt under Sections 24 and 26 of the Freedom of Information Act 2000

Cost: FMC is bringing together a range of projects at differing levels of maturity, with elements of concept development still ongoing. As such the whole life cost modelling and subsequent analysis remains under development.

Source: IPA Annual Report 2023-24 (data)

Names, figures, dates, ratings and commentary are as the department reported them. Where a rating, cost or date is withheld, the file’s wording is shown. Every major project →