1. Your Key is Difficult to Turn

If you find yourself jiggling, forcing, or struggling to turn your key in the lock, that's a warning sign you shouldn't ignore. Stiff or sticky locks indicate worn internal mechanisms, accumulated dirt, or misalignment.

Whilst lubrication might provide temporary relief, persistent stiffness usually means the lock's components are worn out. Continuing to force a stubborn key can result in it snapping off inside the lock – leaving you locked out and facing a more expensive repair.

What to do: If your lock consistently feels stiff or requires force to operate, it's time for a professional assessment. In many cases, replacement is the most reliable solution.

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2. Visible Damage or Wear

Take a close look at your lock. Can you see rust, corrosion, or physical damage? Are there scratches around the keyhole that might suggest attempted tampering? Visible wear isn't just unsightly – it's a security vulnerability.

Damaged locks are easier for intruders to manipulate or force open. Even minor damage can compromise the lock's effectiveness, and rust or corrosion affects the internal mechanisms, making failure more likely.

What to do: Any visible damage warrants immediate attention. Don't wait for the lock to fail completely – replace it before it becomes a security risk.

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3. The Lock is Over 10 Years Old

Even if your lock seems to be working fine, age alone is a valid reason to consider replacement. Lock technology has advanced significantly, and older locks simply don't offer the same level of security as modern alternatives.

Locks manufactured over a decade ago may lack anti-snap, anti-drill, and anti-pick features that are now standard in quality locks. Additionally, older locks have experienced years of wear that weakens their internal components, even if it's not immediately obvious.

What to do: If you can't remember when your locks were last changed, or you know they're more than 10 years old, it's worth upgrading to modern, more secure options.

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4. You've Lost Keys or Moved Into a New Property

This might seem obvious, but it's worth emphasising: if you've lost your keys or you've just moved house, changing your locks should be an immediate priority.

When you lose keys, you can never be entirely certain they won't fall into the wrong hands. Similarly, when you move into a new property, you have no way of knowing how many copies of the keys exist or who might have them – previous owners, their family members, tradespeople, or even former tenants.

What to do: Don't gamble with your security. Change your locks as soon as possible after moving house or losing keys. It's a small investment for significant peace of mind.

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5. The Lock Doesn't Engage Properly

Does your door feel loose even when locked? Does the bolt not fully extend? Can you open the door with minimal force even when it's supposedly secured? These are serious red flags.

A lock that doesn't engage properly provides virtually no security. This problem can stem from worn mechanisms, a damaged door frame, or a lock that's no longer aligned correctly with the strike plate.

What to do: Test your lock properly – when locked, your door should feel solid and secure. If it doesn't, you need professional help immediately. This isn't a problem that will fix itself, and it leaves your home vulnerable.

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Don't Wait for a Problem to Become a Crisis

The truth is, most people don't think about their locks until something goes wrong. But by then, you might be locked out, facing an emergency callout fee, or worse – discovering your security has been compromised.

Regular lock maintenance and timely replacement are simple ways to protect your home and avoid unnecessary stress. If you've noticed any of these five warning signs, don't put it off.

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Need Expert Advice?

At Barras Locks, I'm always happy to assess your locks and provide honest advice about whether repair or replacement is the best option. With competitive rates, a 10% OAP discount, and 24/7 availability across Barnsley, Wakefield, Sheffield, and surrounding areas, I'm here to help keep your home secure.

Give me a call today – let's make sure your locks are doing their job properly.