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· By Rowan Hale · 1 min read

Euro cylinders and lock snapping

Most uPVC doors have a lock that can be snapped in seconds. How to check yours, and what to replace it with.

A brass euro cylinder lock with its key in a white uPVC front door, close up

Look at the edge of your front door, where the key goes in. If the lock sticks out past the handle by more than a few millimetres, it can probably be snapped: gripped, broken at its weak middle, and turned with a screwdriver.

How to check

  • It sticks out: a burglar has something to grip. The cylinder should sit flush with the handle, or 3 mm proud at most.
  • No markings: look for a kitemark and “TS 007 3 star” or “SS312 Diamond” stamped on the face. No stamp usually means no protection.

What to fit

An anti-snap cylinder is designed to break at a sacrificial line and keep the lock itself working. It’s a thirty-minute job and costs less than most people think: see the lock change on our prices page.

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