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BS3621 Locks: Understanding Insurance Requirements

28 August 2026

BS3621 is the British Standard for thief-resistant locks. Many insurance companies require these locks for valid home insurance coverage.

What is BS3621?

BS3621 is a British Standard that specifies requirements for locks designed to resist common burglary techniques.

Why It Matters

If you need to make a claim after a break-in and your locks don't meet BS3621, your claim could be rejected.

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