A broken key in the lock is stressful, but the next step depends on where the key has snapped and whether the door is still secure.
A snapped key always feels like a panic moment, especially if it happens at the front door late in the day. Around Staines-upon-Thames, Virginia Water, Egham and Windsor, we see it most often on older cylinders, stiff uPVC doors, garage locks and keys that have already started bending or catching.
First, work out whether the door is secure
If you are outside and cannot get in, it is an emergency lockout. If you are inside but the key is stuck in the final exit door, it is still urgent because you may not be able to lock up properly. If the door is shut and locked, and you have another safe way in and out, the job may be less urgent but it should still be dealt with before the lock is used again.
What not to do
- Do not push the broken key deeper. Even a small shove can move it past the pins and make extraction harder.
- Do not force the remaining half to turn. That can damage the cylinder or jam a multipoint mechanism.
- Do not use glue. Superglue usually sticks the key fragment, pins and plug together.
- Do not keep spraying oil into the lock. It can attract dirt and hide the real fault rather than fixing it.
Can the lock usually be saved?
Often, yes. If the cylinder is otherwise sound, a locksmith can remove the broken piece with extractor tools and test the lock properly afterwards. If the cylinder is worn, badly misaligned, or the key snapped because the door has been stiff for months, replacing the cylinder is usually the better long-term fix.
Why keys snap in the first place
- The key is worn thin from years of use.
- The lock cylinder is dirty, dry, worn or starting to fail.
- A uPVC or composite door is out of alignment, so the key is taking pressure it should not take.
- The key has been copied poorly and never worked smoothly.
Should you cut a new key or change the lock?
If the key snapped because it was old but the lock works smoothly after extraction, key cutting may be enough. If the lock is stiff, loose, insecure, or fitted with a basic euro cylinder, it is sensible to discuss a lock change or upgrade at the same visit.
For uPVC and composite doors, this is also a good time to check whether the cylinder is correctly sized and anti-snap rated. A broken key is annoying; an exposed or weak cylinder is a security issue.
Two Keys Security provides emergency locksmith callouts across Staines-upon-Thames, Virginia Water, Egham and Windsor. If the door will not secure, call before trying to force it.
Emergency locksmith
Need a hand with this?
Two Keys is a father-and-son locksmith team in Egham — UKLA Trusted & Vetted, DBS-checked, fully insured. Straight prices, agreed before we set off.
We cover Staines-upon-Thames · Virginia Water · Egham · Windsor and the wider Surrey, west London and east Berkshire area — see full coverage.