Standard tier vs enhanced tier: what's the difference?
Most venues fall into the standard tier. This guide explains the capacity thresholds, the special rules for places of worship and schools, and what each tier actually requires you to do.
Written for the people who actually run venues — not security professionals. Every article is grounded in the statutory guidance and links to official sources.
The Terrorism (Protection of Premises) Act 2025 — known as Martyn's Law — requires certain UK venues to have written public protection procedures in place before spring 2027. This guide explains who's affected, what the two tiers mean, and what you actually need to do.
If you only read one thing before checking your scope, make it this.
Check my venue →Most venues fall into the standard tier. This guide explains the capacity thresholds, the special rules for places of worship and schools, and what each tier actually requires you to do.
The law requires four written procedures. This guide explains what each one means in plain English and what a good procedure actually looks like for a small venue.
Community halls are one of the most common standard-tier premises. This guide covers capacity counting, hire bookings, trustees' responsibilities, and what “reasonably practicable” means for a volunteer-run hall.
Churches, mosques, temples and other places of worship are always standard tier if 200 or more people could be present — even if they sometimes host 800+. Here's what that means in practice.
Educational premises are treated as always standard tier. This guide explains the responsible person duties for school business managers and what existing emergency planning already covers.
The Act places duties on a named responsible person for each premises. This guide explains who that should be, how to notify the SIA, and what happens if a premises changes hands.
Capacity under the Act isn't your day-to-day footfall — it's your peak. This guide explains how to calculate it, what “from time to time” means, and where to find the number if you're not sure.
It's not enough to have written procedures — your staff and volunteers need to know them. This guide explains what awareness means in practice and how to create a simple record you can show an inspector.
If you manage a portfolio of premises — a chain of pubs, a trust of schools, a diocese of churches — the duty applies per venue. This guide explains how to manage compliance at scale without drowning in paperwork.
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