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Martyn's Law for parish and town councils: a guide for clerks and councillors

Updated 26 October 2026. Guidance, not legal advice.

Many parish and town councils own a village hall, community centre or pavilion. If 200 or more people can be in one of those buildings at once, Martyn's Law will apply to it. This guide explains what that means for the council, and what the clerk can put in place now.

In short

  • Look at each building the council owns or manages on its own. A building is covered if 200 or more people could reasonably be in it at the same time.
  • Whoever controls the building is responsible. If the council runs it, that's the council. If a charity or management committee runs it under a lease, it's usually them.
  • Most council buildings that are covered will be standard tier: notify the regulator and have simple procedures ready. No equipment or security staff is required.
  • The duties are expected to start in 2027. The budget you set this winter covers the year they start, so plan for it now.

What is Martyn's Law?

Martyn's Law is the common name for the Terrorism (Protection of Premises) Act 2025. It's named after Martyn Hett, who was killed in the Manchester Arena attack in 2017, and follows years of campaigning by his mother, Figen Murray. It became law on 3 April 2025, and the Home Office published its final statutory guidance on 15 April 2026.

For a council, it means that the people running each busy building should already know how they would keep everyone safe if the worst happened.

Which council buildings could be covered?

Go through the council's asset register and ask one question about each building: at its busiest, could 200 or more people reasonably be inside at the same time? Count everyone, including staff, volunteers and performers, not just visitors.

Write down the building, your best estimate of its busiest occasion, and how you reached it. If a building is close to 200, plan as if it's covered. Our homepage explains how to work out your number.

Who is responsible: the council or the hall committee?

The duty falls on the "responsible person", meaning whoever controls the building in connection with how it's used. Ownership alone doesn't decide it. The common arrangements are:

If it isn't clear, check the lease or agreement and agree in writing who will do what. In some cases responsibility may be shared, and the SIA can advise. Don't let each side assume the other has it covered.

Who does the work?

The council is a body, so it acts through its officers and its meetings. A simple approach:

What the standard tier asks you to do

1. Tell the regulator

For each covered building, notify the Security Industry Authority (SIA) and say who the responsible person is. The SIA will open its online notification service once the duties start, expected in 2027.

2. Have procedures for four situations

3. Make sure people know them

Brief the caretaker, key holders, regular volunteers and anyone who runs events. Hirers need a short sheet too: our guide for village halls explains how to handle hires.

Budget, insurance and policies

Events on council land

Separate rules cover large events of 800 or more people held at places that aren't otherwise covered, such as a festival, fun day or fireworks night on a field. These are enhanced tier, with heavier duties. Responsibility sits with whoever organises and controls the event, which may or may not be the council. If you run or host events that size, take specialist advice early.

What happens if we don't comply?

The SIA expects to start with advice and support rather than fines. It can issue compliance notices, and for standard tier premises the maximum fines are £10,000, plus up to £500 a day for continuing failures.

A simple timeline for the council

Want it done in an evening?

You can do all of this using the free guidance. If you'd rather not start from a blank page, Protect My Venue turns a 20-minute questionnaire about each building into a ready-to-use plan, a volunteer briefing, a hirer sheet and a step-by-step guide to notifying the SIA.

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Free help and official guidance

This guide summarises the Terrorism (Protection of Premises) Act 2025 and the Home Office statutory guidance as we understand them. It isn't legal advice. Where a building's arrangements are unusual, for example a hall charity with the council as trustee, check with the SIA, your county association or a solicitor.