Locksmith Warns: Your Lock Could Be Putting Your Home at Risk & VOID Your Home Insurance

Home security begins at the front door, yet many homeowners are unaware that the type of lock they have could be making them an easy target for burglars. According to Master Locksmith Craig Andres from The Perspicacity Life, the difference between a 1-star and 3-star euro profile cylinder lock isn’t just about security, it could also impact home insurance claims and leave tenants and homebuyers vulnerable.

“Most people assume that all locks provide the same level of protection, but that’s simply not the case,” says Craig. “A 1-star rated lock may meet basic standards, but it lacks the anti-snap, anti-bump, and anti-pick features that a 3-star lock has. Burglars know this and they take advantage of it.”

Why Lock Ratings Matter More Than You Think
Euro profile cylinder locks are one of the most common types used in UK homes, especially in new-builds and rental properties. However, not all landlords or property developers install the most secure options. Many standard locks, especially 1-star cylinders can be bypassed in seconds using lock-snapping, a technique frequently used in break-ins.

For homebuyers and new tenants, this is particularly concerning. A weak lock doesn’t just put your property at risk, it could also invalidate your home insurance. Some insurance providers require specific security standards, and if your locks don’t meet these requirements, any claim after a burglary could be rejected.

Craig explains: “Many insurance companies specify TS007 3-star locks or a combination of a 1-star lock and a 2-star door handle as a minimum requirement. If your home doesn’t comply, you might not even realise that your insurance policy is invalid.”

A Simple Upgrade for Better Security
The good news? Upgrading your locks is a quick and effective fix. A TS007 3-star euro cylinder lock offers significantly stronger protection against common burglary tactics, including:

Anti-snap technology – prevents burglars from snapping the lock in half.

Anti-drill & anti-bump features – making forced entry far more difficult.

British Standard Kitemark approval – ensuring compliance with high-security regulations.

“Anyone moving into a new home whether renting or buying, should change the locks immediately,” Craig advises. “You never know how many spare keys are out there from previous occupants. Investing in a 3-star rated lock is one of the easiest ways to prevent break-ins and protect your home and insurance policy.”