
Understanding Principal Use in Martyn’s Law
#5 in a series. Under the Terrorism (Protection of Premises) Act 2025, “principal use” is critical for determining which activities apply to a given premises.
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#5 in a series. Under the Terrorism (Protection of Premises) Act 2025, “principal use” is critical for determining which activities apply to a given premises.

#4 in a series. The Terrorism (Protection of Premises) Act 2025, widely known as Martyn’s Law, outlines the types of venues and establishments that may fall under its scope as qualifying premises. These are locations where public safety measures are critical due to their capacity, use, and accessibility.

#3 in a series. The Terrorism (Protection of Premises) Act 2025, also known as Martyn’s Law, introduces specific criteria for determining what constitutes a “qualifying premise” subject to the Protect Duty.

#2 in a series. The Terrorism (Protection of Premises) Act 2025, commonly referred to as Martyn’s Law, introduces a robust framework to ensure compliance with its requirements. Central to this framework is the Security Industry Authority (SIA), the designated regulator under the Act.

#1 in a series. Named in memory of Martyn Hett, who tragically lost his life in the Manchester Arena attack, the proposed legislation aims to bolster public safety.

This blog will help UK organisations of varying sizes and operational focuses understand what they need to incorporate into their 2025 budgets to meet Martyn’s Law compliance. Let’s break down what each tier entails and how businesses can budget effectively for each.

Modern slavery is a pressing issue in the UK, with over 100,000 victims estimated to be trapped in exploitation, a staggering figure that highlights the scope of the problem. Victims are found in various sectors, including agriculture, hospitality, and construction, and are often controlled through violence, threats, and debt.

The CSDDD aims to standardise sustainability due diligence across the private sector, addressing the gaps that existed within previous voluntary measures.

The potential for significant financial loss, operational disruption and reputitional damage make insider threats particularly severe. This post explores some of the biggest internal threat events in the past decade.