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MARITIME CAPABILITIES REPLACEMENT PROGRAMME

HO · HO_0150_2223-Q2

Department page: Home Office

Data as atRatingEnd dateWhole-life cost
March 2024Exempt under Section 43 of the Freedom of Information Act 2000 (Commercial Interests) - Commercial interests.ARMP adjustments - Project not yet in a position to give cost/scheduleARMP adjustments - Project not yet in a position to give cost/schedule
March 2025The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule informationThe GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule informationThe GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information
March 2026The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule informationThe GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule informationThe GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information

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: The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information, Section 43 - Commercial interests

Schedule: The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information

Cost: The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information

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

March 2025

Rating: The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information, Section 43 - Commercial interests

Schedule: The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information

Cost: The GMPP project is still at the planning stage (Pre-SOC or equivalent) and is not yet in a position to provide cost/schedule information

Source: NISTA Annual Report 2024-25 (data)

March 2024

Rating: ARMP adjustments - Project not yet in a position to give cost/schedule

Schedule: ARMP adjustments - Project not yet in a position to give cost/schedule

Cost: ARMP adjustments - Project not yet in a position to give cost/schedule

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 →