MARTYN’S LAW · PRACTICAL GUIDE

Martyn’s Law for events

An event needs its own set of facts. Agree the event area and the organisation controlling its use, then check how it relates to the host premises and the people expected together.

Reviewed 14 October 2026 · Free to use · No account needed

What the law considers

A qualifying event needs an eligible location, public access, 800 or more people reasonably expected together at some point, and the specified payment, ticket, pass or membership checks. Those checks need a defined secure perimeter to be meaningful. The location must be outside enhanced premises and applicable exclusions must be checked. Qualifying events carry enhanced requirements after commencement.

Tickets issued over a day are different from people together

Agree the host and organiser handover

Optional preparation prompts. Agree the local arrangements with the responsible organisation.

  1. Define the event area

    Confirm the footprint and any separately checked areas. Record which organisation can resolve boundary questions.

  2. Review access conditions

    Check which specified entry condition applies and whether the actual arrangements make the checks meaningful. A suggested donation alone leaves this condition unmet.

  3. Review the host relationship

    Ask whether the whole event is within enhanced premises, and whether any worship, childcare, education or other exclusion needs assessment.

  4. Connect event teams

    Agree how organisers, the host, contractors and volunteers receive the current role information, including late arrivals and changes of lead.

The four procedures to review

  1. Evacuation

    Moving people out of the premises or relevant area, away from danger.

  2. Invacuation

    Moving people to a place within the premises where the risk of harm is lower.

  3. Lockdown

    Securing the premises against entry or exit as the circumstances require.

  4. Communication

    Giving people at the premises the information they need.

After commencement, the responsible person must ensure appropriate procedures are in place so far as reasonably practicable. Local circumstances determine which actions are suitable. Relevant people need to understand their roles.

Try a short team discussion

The host has current procedures, while the event contractor has a separate briefing sheet. Compare the assigned lead, communication method and handover arrangements, and give each unresolved difference a person to follow it up.

Choose a proportionate format and timing. Keep the outcome focused on questions, agreed actions and who will follow them up. This is an optional exercise.

Common questions

Does a free event escape the event test?

A free event can meet the entry-check condition where access depends on a checked ticket, pass or qualifying membership arrangement. Check every other event condition too.

What if the event is inside enhanced tier premises?

An event wholly within enhanced premises is considered through those premises duties. Agree arrangements with their responsible person. An event extending outside that boundary needs a closer review.

Official sources

Source review: 14 October 2026. OnSiren publishes these guides independently, based on the official sources listed here. The linked organisations retain their official roles, and OnSiren makes no claim of endorsement by the Home Office or the SIA.

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Martyn’s Law for events | OnSiren