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Martyn’s Law, officially titled the Terrorism (Protection of Premises) Act 2025, is a landmark piece of UK legislation designed to ensure that publicly accessible venues have a legal duty to take proportionate and practical measures to protect the public from terrorist threats.
Martyn’s Law is named in honour of Martyn Hett, one of the 22 people who tragically lost their lives in the Manchester Arena bombing in 2017.
Following his death, Martyn’s mother, Figen Murray OBE, campaigned tirelessly for stronger security measures at public venues to prevent such tragedies from happening again. Her determination led to the creation of Martyn’s Law, ensuring that every venue, regardless of size, has the systems, training, and communication tools in place to protect the public from terrorist threats.
This law stands as a legacy of love, resilience, and responsibility, turning heartbreak into lasting change. See Figen Murrays inspirational journey at www.figenmurray.co.uk


At its core, Martyn’s Law is designed to make public spaces safer, more resilient, and better prepared to respond to potential acts of terrorism or mass emergencies. It sets out a consistent framework that ensures all publicly accessible locations, regardless of size or sector, have the tools, training, and systems to protect the public.
To ensure that every organisation understands the nature of the threat from terrorism and takes proactive steps to mitigate it. This includes educating staff on situational awareness, suspicious behaviour identification, and response protocols.
To make sure venues have well-rehearsed emergency plans and can respond quickly and effectively in a crisis. Staff should know their roles, communication channels should be clear, and systems should be tested regularly.
To enable real-time coordination and alerts during incidents. Clear communication channels between venue staff, the public, and emergency services can save lives. AV and digital communication systems, such as MAVAS, play a vital role in this area.
To create accountability within each organisation by designating a responsible person to oversee compliance and ensure procedures are up to date, documented, and regularly reviewed.
To ensure that safety measures are appropriate to the size and type of venue. Smaller premises will not be burdened with the same level of requirements as large venues, making Martyn’s Law a fair, flexible framework that encourages participation, not punishment.
Venues and organisations with a capacity of under 800 people fall within the Standard Tier. These are typically smaller public premises, such as cafes, community centres, and local retail spaces.
Requirements include:
Venues and events with a capacity of 800 or more people are classified as Enhanced Tier. This applies to larger, high-footfall spaces such as stadiums, shopping centres, cinemas, and transport hubs.
Requirements include:

Non-compliant organisations can face substantial fines, particularly under the Enhanced Tier. Fines may reach up to tens or even hundreds of thousands of pounds, depending on the severity of the breach and the level of risk posed to the public.

Failure to implement the adequate security measures could result in legal action against business owners, event organisers, or responsible persons. After an incident, authorities will investigate whether the organisation took reasonable steps to protect staff & visitors

Authorities will have the power to issue improvement or prohibition notices, requiring venues to take immediate action to meet compliance standards. Continued non-compliance can lead to temporary closure until safety requirements are met.

Public trust is paramount. A failure to comply with Martyn’s Law — or worse, to prevent an incident that could have been mitigated — can cause irreparable harm to a brand’s reputation and public relations, resulting in loss of customers, contracts, and credibility.
Figen Murray

Please reach out to one of our experts if you cannot find an answer to your question.
Martyn’s Law applies to any publicly accessible venue or event with a capacity of 200 or more people comprising both staff and visitors. For venues within this range, the standard duty requires basic preparedness measures such as risk assessments, staff training, and emergency procedures.
For larger venues with a capacity of 800 or more people, the enhanced duty applies. These venues must implement more rigorous security and communication measures, maintain detailed emergency plans, and provide documented evidence of compliance to meet the law’s requirements.
The Terrorism (Protection of Premises) Act received Royal Assent 3rd April 2025 and is expected to come into enforcement later this year and be a compulsory legislation on 3rd April 2027. Businesses should begin preparing compliance measures now to avoid penalties and ensure readiness.
Venues must demonstrate reasonable and proportionate preparedness, which includes:
Failure to meet the requirements of Martyn’s Law can result in significant financial penalties. Standard tier could reach £10,000 depending on the severity of the breach. The advanced tier could face fines up to £18 Million or 5% of worldwide revenue. Beyond monetary sanctions, venues may face enforcement notices, operational restrictions, and potential legal prosecution for negligence.
Non-compliance also carries serious reputational damage, undermining public trust and jeopardising your licence to operate. Most critically, failing to prepare puts staff and visitors’ lives at risk, a consequence no organisation can afford.
The date is approaching fast and you need to start preparing now!
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Martyn’s Law represents a vital step toward creating safer public spaces and ensuring every organisation takes responsibility for protecting lives. Understanding its requirements today means being ready for tomorrow. Discover how proactive preparation, supported by intelligent technology, can make your venue compliant, resilient, and ready to respond in critical situations.