200+
Standard tier threshold
800+
Enhanced tier threshold
2027
Earliest expected enforcement
£18m
Max penalty (or 5% of revenue)
The law
What is Martyn's Law?
The Terrorism (Protection of Premises) Act 2025 requires qualifying premises and events to be prepared for a terrorist attack, with duties that scale by capacity. Named after Martyn Hett, killed in the 2017 Manchester Arena attack. Check the official guidance for how it applies to you.
Standard Tier
200-799 capacity
- Notify the Security Industry Authority (SIA)
- Public protection procedures: evacuation, invacuation, lockdown and communication
- Procedures that are reasonably practicable for your premises
Enhanced Tier
800+ capacity
- Everything in the standard tier
- Public protection measures: monitoring, movement, physical safety and information security
- A document setting out procedures, measures and your assessment of them, provided to the SIA
- A designated senior individual (where the operator is a body corporate)
- Keep the document under review
With swiftRMS
How swiftRMS Helps
What's coming to swiftRMS for Martyn's Law. swiftRMS drafts; a competent person reviews and approves.
Tier classification (coming soon)
Tell swiftRMS your venue's capacity and use, and it will suggest whether you are likely to sit in the standard tier (200-799) or enhanced tier (800+). You confirm the tier.
Drafts of the documents you'll need (coming soon)
swiftRMS will draft terrorism risk assessments, public protection procedures and security plans. A competent person reviews and approves each one before use.
Prepare before enforcement
The Act has an implementation period of at least 24 months, so enforcement is not expected before 2027. Security risk assessments that cite the Act are available today.
Built for real venue types (coming soon)
Stadiums, theatres, nightclubs, arenas, festivals and shopping centres, with drafts shaped around how each type of venue operates.
Scope
Who Does the Act Apply To?
Qualifying premises and events where 200 or more people may be present, for example:
- Concert venues & arenas
- Sports stadiums
- Theatres & cinemas
- Nightclubs & bars
- Shopping centres
- Conference centres
- Hotels (function rooms)
- Festival sites
- Places of worship
- Educational venues
- Visitor attractions
- Ticketed outdoor events
Official Sources
UK Government & Authority Resources
Official guidance and legislation behind Martyn's Law
Terrorism (Protection of Premises) Act 2025
The Martyn's Law legislation setting out duties for qualifying premises and events
Health and Safety at Work Act 1974
Foundational UK workplace safety legislation
NaCTSO Crowded Places Guidance
National Counter Terrorism Security Office protective security guidance
Security Industry Authority
Regulator for the private security industry in the UK
Manchester Arena Inquiry Report
Public inquiry findings that informed Martyn's Law requirements
Centre for the Protection of National Infrastructure
CPNI guidance on protective security for venues
Further reading
Martyn's Law Guides
Resources to help you understand Martyn's Law and prepare for it
Get Ready for Martyn's Law
Terrorism risk assessments are coming soon. Start today with security risk assessments that cite Martyn's Law and draft the controls for your venue, ready for review. 14-day free trial, no card needed.
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