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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Welsh business piece spreads the word on preparing for Martyn's Law

Published

A Welsh business outlet has shared a practical primer on Martyn's Law, encouraging local venues to start getting familiar with the new duties before they take effect.

What happened

News from Wales has published a peer-to-peer style explainer aimed at Welsh businesses, walking through what the Terrorism (Protection of Premises) Act 2025 — better known as Martyn's Law — will mean for them. It is part of a wider push to raise awareness so smaller operators are not caught out when the duties begin.

A quick reminder of the basics

The Act received Royal Assent on 3 April 2025 and is named after Martyn Hett, one of the 22 people killed in the 2017 Manchester Arena attack. It sets up two tiers: a standard tier for premises where 200 to 799 people may reasonably be expected at once, and an enhanced tier for 800 or more. The headcount includes staff, not just customers.

What it means for venues

The duties are not in force yet. Commencement is expected in spring 2027, and the exact date is still to be confirmed. The Security Industry Authority will be the regulator, and its notification process is not live yet. So pieces like this one are about awareness and preparation, not new obligations that apply today.

What to do now

Use the breathing space to get familiar. Work out roughly how many people could be on your premises at peak, so you know which tier is likely to apply. Talk it through with staff, trustees or fellow organisers. There is no need to rush or panic — steady, early preparation will make the eventual change far easier to handle.

This is our plain-English summary. Read the original in full at newsfromwales.co.uk.

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.

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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.