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Martyn’s Law checker

Answer three questions to see whether your venue is likely to be covered by Martyn’s Law, the Terrorism (Protection of Premises) Act 2025, and which tier it falls into. Nothing you type leaves your device.

Based on the Act and the Home Office statutory guidance on GOV.UK, last checked 28 October 2026 · General information, not legal or security advice

The tiers at a glance

People at the same timeTier
Under 200Not in scope
200 to 799Standard tier
800 or moreEnhanced tier
Places of worship, childcare, schools and further education with 200 or moreStandard tier, even at 800 or more

Martyn’s Law is expected to come into force in spring 2027, and can’t start before 3 April 2027. Premises in scope will then have 3 months to notify the SIA. See when does Martyn’s Law come into effect? and our full guide to the standard tier.

Sources: Terrorism (Protection of Premises) Act 2025 collection on GOV.UK.

Martyn's Law Pack
Martyn’s Law Pack

A 10-tab workbook with the scope and tier check, an SIA notification checklist with deadlines, the four procedures, staff awareness and exercises, plus a Procedures Plan and Staff Briefing. Versions for mosques and churches too.

Martyn’s Law Pack on Etsy