Why Faslane Naval Base Is Adding Ballistic Shelters

The shelters are one part of a broader set of improvements at HMNB Clyde, but the reports do not explain their precise design or intended threat protection.

Safety & RecallsOctober 14, 20263 min readHow Sureno writes this

The short version

The shelters are described as structures intended to protect people from blast and fragmentation ².
Henry Brothers has a £2.55 million package of three infrastructure projects at HMNB Clyde, including installing the shelters ³.
The other jobs are improved fencing near a support building at Faslane and refurbishment of an existing Pressure Test Building ²³.
The supplied reports do not give the shelters’ detailed design, exact locations, intended users or a confirmed threat they address ¹²³.

What are ballistic security shelters?

UK Defence Journal describes ballistic shelters as structures meant to protect people from blast and fragments produced by an explosion ². The reporting does not provide technical details about the shelters planned for Faslane.

It is not clear from the available information how many shelters will be installed, what they will look like, or exactly where they will be placed. Those missing details limit what can be said about the level or kind of protection they provide.

Why is Faslane getting them?

Babcock commissioned Henry Brothers to carry out three infrastructure projects at HMNB Clyde. The work is linked to facilities that support the Royal Navy’s Vanguard-class and Astute-class submarine fleets ¹²³.

Babcock said the investment is intended to keep supporting facilities secure and prepared for future requirements, according to The National ¹. The reports do not connect the shelters to a particular incident or publicly identify the threat that led to their installation.

What is included in the £2.55 million package?

The work consists of three projects: installing specialist shelters around the base, improving fencing near a support building at Faslane, and renovating an existing Pressure Test Building ²³.

The Belfast News Letter gives the overall contract value as £2.55 million ³. UK Defence Journal gives a rounded total of £2.6 million ². The reports say work was starting immediately, but do not set out the cost of each project or when the work will finish ²³.

What danger are the shelters meant to address?

The reports do not provide an official explanation of the specific danger. Scottish Campaign for Nuclear Disarmament asked whether the structures were meant to guard against missiles, drones or other munitions. That was a campaign group’s question, not confirmation from the Navy or Babcock ¹.

Nothing in the supplied reporting establishes that an attack is expected. Nor does it include a detailed public explanation from the Ministry of Defence or Royal Navy about the operational reason for the shelters ¹²³.

How does this relate to the submarines at Faslane?

HMNB Clyde supports Vanguard-class ballistic missile submarines and Astute-class attack submarines, according to the reports ¹²³. The announced contracts concern base infrastructure, rather than a stated change to the submarines.

The sources do not say the shelter project alters the submarines’ roles, equipment or operations. They describe construction and refurbishment work at the base ²³.

What we don't know yet

The reports do not identify the shelters’ design, number, precise sites or intended occupants.
No specific threat assessment or official account of the shelters’ purpose appears in the supplied reports.
The reporting gives neither a finish date nor separate costs for the three projects.

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Questions people ask

What are the new shelters at Faslane for?

They are described as structures intended to protect people from blast and fragments ². The available reports do not explain which particular threat or situation they are designed to address.

Who is installing the Faslane ballistic shelters?

Henry Brothers was appointed by Babcock International Group to carry out the work ²³. The shelters are one of three infrastructure projects in the contract package.

How much do the HMNB Clyde projects cost?

The Belfast News Letter reports a combined value of £2.55 million ³. UK Defence Journal reports the total rounded to £2.6 million ².

What other work is planned at Faslane?

The package also covers fencing improvements around a support building and renovation of an existing Pressure Test Building ²³. The reports do not give separate prices or completion dates for the work.

Do the shelters mean an attack is expected at Faslane?

The reports do not say that an attack is expected or identify a particular threat assessment. Scottish CND raised questions about possible dangers, but those questions do not confirm the project’s purpose ¹.

Sources

Questions raised over new Faslane base ballistic shelters | The National — The National
Faslane submarine base in Scotland to get ballistic shelters — UK Defence Journal, 2026-10-12
The projects form part of ongoing investment in facilities supporting the Royal Navy’s Vanguard and Astute-class submarines, with work starting immediately — Belfast News Letter, 2026-10-12

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