The Terrorism (Protection of Premises) Act 2025
The Terrorism (Protection of Premises) Act 2025, also known as Martyn’s Law, received Royal Assent on Thursday 3 April 2025.
Since the start of 2020, MI5 and the police have disrupted 19 late-stage attack plots and intervened in many hundreds of developing threats.
This Act delivers the Government’s manifesto commitment to strengthen the security of public premises and events.
What does Martyn’s Law do?
The Terrorism (Protection of Premises) Act 2025, also known as Martyn’s Law, will improve protective security and organisational preparedness across the UK by requiring that those responsible for certain premises and events consider how they would respond to a terrorist attack.
In addition to this, at certain larger premises and events, appropriate steps to reduce vulnerability to terrorist attacks must also be considered. Through compliance with the Act, qualifying premises and events should be better prepared and protected, ready to respond in the event of a terrorist attack.
What does this mean for you?
For qualifying events, the responsible person is the individual, organisation or company which has control of the premises in connection with their use for the event.
The Act establishes a tiered approach to requirements, with those responsible for premises and events in scope required to fulfil different requirements according to the number of individuals it is reasonable to expect may be present
The Home Office has published statutory guidance to assist those responsible to understand the requirements set out in the legislation.
Standard Tier
Some requirements in the Terrorism (Protection of Premises) Act 2025 apply to all qualifying premises and qualifying events. Those core requirements are the only requirements that apply to standard tier premises. The standard tier comprises of smaller premises where it is reasonable to expect that between 200 and 799 individuals (including staff) may be present at the same time.
All schools and places of worship will be classified under the Standard Tier regardless of size or capacity.
Enhanced Tier
Enhanced tier premises and qualifying events are premises or events where it is reasonable to expect that 800 or more individuals (including staff) may be present at the same time.
When the Act comes into force, the person responsible for enhanced tier premises and qualifying events must comply with the same requirements relating to public protection procedures and notification as at standard tier premises. Those requirements apply to all premises and events in scope.
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