Martyn’s Law questions answered
Short answers. Follow the links for the detail.
Martyn’s Law applies to publicly accessible premises in listed uses where 200+ people can be present at once. Standard tier (200–799) needs four procedures and SIA notification; enhanced tier (800+) adds measures and a document for the SIA. It is expected to start in spring 2027.
Common questions
What is Martyn's Law?
The Terrorism (Protection of Premises) Act 2025. It requires those responsible for certain publicly accessible premises and events to be prepared for a terrorist attack.
When does it start?
It is expected to come into force in spring 2027. The SIA will confirm the exact date.
Who is the regulator?
The Security Industry Authority (SIA).
How do I know which tier I am in?
200 to 799 people reasonably expected at once is standard tier; 800 or more is enhanced. Schools, childcare and places of worship stay standard regardless of size.
What are the four standard tier procedures?
Evacuation, invacuation, lockdown and communicating with people on the premises.
Do I have to notify the SIA?
Yes, once the notification portal opens. The SIA is building it and will ask for volunteers to test it in early 2027.
Is training required?
The Act requires procedures that staff can follow. ProtectUK's ACT Awareness e-learning is free and widely used for staff training.
Is there a certificate?
No. There is no certificate, register or accreditation scheme for Martyn's Law.
Do I need a consultant?
No. Many venues will do it themselves using free guidance. Help is useful for complex or multi-site premises and the enhanced tier.
What are the penalties?
Up to £10,000 for the standard tier. Up to £18 million or 5% of worldwide revenue, whichever is greater, for the enhanced tier and qualifying events.
Want a second pair of eyes on it?
Send the venue type, the most people you would expect in at once, and how many sites you run. We will tell you which tier you look to be in and whether the free route is enough before quoting anything.