Home › Free tools › Martyn’s Law checker
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.
The tiers at a glance
| People at the same time | Tier |
|---|---|
| Under 200 | Not in scope |
| 200 to 799 | Standard tier |
| 800 or more | Enhanced tier |
| Places of worship, childcare, schools and further education with 200 or more | Standard 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.
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