Terrorism (Protection of Premises) Act 2025 · expected in force spring 2027
Martyn’s Law, made plain — and the free tools to get ready.
Check whether your venue is in scope, work out your tier, and build the records the Act asks for — with a free checker, plain-English guides and a workspace that keeps it all alive. Independent, and grounded in the official guidance.
- Expected in force spring 2027 — not enforceable today
- Free tools, no account needed
- Plain English, every claim tied to the official source
Preparation and document-management only. Not legal advice, not official guidance, not SIA approval and not a guarantee of compliance.Sometimes searched as Martin’s Law or Martins Law — the correct spelling is Martyn’s Law.
app.martynslaw.app/dashboard
Readiness workspace
The Example Theatre
Readiness completeness
58%
Next best action: Approve the lockdown procedure
- EvacuationApproved
- InvacuationApproved
- LockdownDraft
- CommunicationDraft
- Staff briefingMissing
- Testing & exercisesMissing
- Co-ordinationMissing
- SIA notificationNot required yet
Official sources last checked:
Free tools, no account
Start with the questions everyone asks
How it works
From scope check to a pack you keep alive
Check your scope
A 5-minute check gives you an indicative tier, with the reasoning and the official sources it rests on.
Build your records
Capacity basis, responsible person and the four public protection procedures — drafted from your venue profile.
Approve and brief
The responsible person approves each document. Staff briefings and role assignments are logged as you go.
Keep it alive
A review calendar, test logs and daily source tracking flag what needs review before it goes stale.
What the readiness pack includes
Eight linked records, each dated, versioned and tied to the source it rests on.
Scope and tier record
Your indicative tier, with the reasoning and the sources it rests on.
Capacity evidence
How you arrived at the number of people you reasonably expect, recorded with dates.
Responsible-person record
Who holds the duty for your premises, recorded in one place.
Four public protection procedures
Evacuation, invacuation, lockdown and communication, drafted around your venue.
Staff briefing log
Who was briefed, on what and when — a running record, not a one-off.
Review calendar
Every document carries a review date, so nothing quietly goes stale.
Source-check register
Official sources are checked daily and changes are flagged for your review.
Public pack / staff-only annex split
A shareable pack for scrutiny and a staff-only annex for sensitive detail.
Latest updates
Martyn’s Law, as it develops
- Round-up
This week in Martyn's Law
Fresh government material sets out the SIA's role as regulator and how the notification process will work, while a proposed tribunal rule change fills in more of the legal detail. It is all preparation material — the duties are still expected in spring 2027.
- Round-up
Why 'operational readiness' beats box-ticking for Martyn's Law
An industry piece argues that venues should treat Martyn's Law as a practical, day-to-day habit rather than a one-off paperwork exercise. Here's what that means while the duties wait to come into force.
- Update
Notification to the SIA: what venues can start thinking about now
A legal commentary from TLT LLP looks at how the notification step under Martyn's Law is expected to work, and what venue operators can usefully prepare in advance. The process itself is not yet live.
Built for the venues Martyn’s Law actually covers
Standard-tier premises — broadly those expecting 200–799 people — are the heart of the Act. The workspace grows with you: enhanced-tier premises (800+) get the further-measures branch, and events expecting 800 or more get the qualifying-event check.
Learn the Act
Everything in plain English, free to read
See a real example first
A complete pack for a fictional 450-seat theatre — the plan summary, all four procedures and the records behind them, exactly as the product produces them. Judge the output before you start.
Get the example pack
A full example pack for a fictional theatre — the plan, all four procedures and the guidance they rest on. Leave your email and it’s yours.
Where the boundary sits
martynslaw.app is an independent product. Official guidance and legislation are cited as sources — they remain the only authority. You stay in control of every record, and the responsible person approves everything before it counts.
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.