Martyn’s Law duties are not yet in force — the SIA expects commencement in early spring 2027. martynslaw.app helps you prepare, document and keep evidence now.
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Industry coverage flags the run-up to Martyn's Law taking effect

Published

A sports venue body has highlighted that the countdown to Martyn's Law is well under way, with the duties expected to begin in spring 2027. Here is what that means for everyday venues, and why now is a sensible time to start preparing.

What happened

The Coliseum Global Sports Venue Alliance has published coverage drawing attention to the approaching start of Martyn's Law — the everyday name for the Terrorism (Protection of Premises) Act 2025. The Act gained Royal Assent in April 2025, and commentary across the sector is now focusing on the period before the duties take effect. The exact start date has not yet been confirmed, but commencement is expected in spring 2027.

What it means for venues

The duties are not in force yet, so there is nothing to comply with today. What this kind of coverage signals is that the lead-in time is shrinking, and the conversation has moved from "is it coming" to "how do we get ready". Standard-tier rules are expected to apply where 200 to 799 people may reasonably be present at once, and the enhanced tier from 800 upwards. Those counts include your staff, not just customers or congregation.

What to do now

Use this time to familiarise yourself with the basics. Work out the realistic maximum number of people who could be on your premises at the same time, including staff, so you know which tier is likely to apply. Note that the Security Industry Authority will be the regulator, though its notification process is not yet live.

Keep it in perspective

There is no deadline pressure today and no penalties to worry about yet. This is preparation and readiness information, not legal guidance, so treat early planning as a chance to get organised calmly rather than a rush. We will post updates here as official dates and detail are confirmed.

This is our plain-English summary. Read the original in full at Coliseum Global Sports Venue Alliance.

Where does your venue stand?

The free readiness checker gives you an indicative tier in about five minutes — or read the plain-English guide to the whole Act.

All updates

What this is — and what it is not

martynslaw.app is a preparation and document-management tool. It is not legal advice, not official guidance, not official certification, not SIA approval and not a guarantee of compliance. The responsible person must review and approve all documents before use.

martynslaw.app is an independent product. It is not affiliated with, or endorsed by, the Home Office, the Security Industry Authority or any other public body. Official sources are cited as sources only.