Jammed Lock
Jammed lock or a key that turns freely: cylinder, lock case and alignment checked before repair. Brussels and Brabant. Availability, arrival time are confirmed by phone; non-destructive methods are preferred when the mechanism allows.
GoogleJammed Lock in Brussels or Brabant? Janssens is available 24/7; arrival time are confirmed by phone. Non-destructive methods are preferred when the mechanism allows - 0495 205 400.
Verification before every door opening
We only open a door after checking your identity and right of access. Have an ID and proof of residence, tenancy agreement or the owner's permission ready. If those are not immediately available, we agree another verification method. If access cannot be verified, we do not open.
Fast intervention
Arrival subject to availability confirmed by phone
The technician closest to your location is dispatched as a priority. No call center: you speak directly to the locksmith who will handle your job.
Method adapted to the lock
Bypass, lock picking, decoding: our technicians master all three non-destructive opening methods. Cylinder drilling is only used as a last resort, with your prior approval.
Available 24/7
24/7 availability, confirmed by phone according to the situation.
Direct contact
After examining the mechanism, we explain the method and necessary work before you agree.
Jammed Lock right now?
Don't stay locked out! Call us, we arrive subject to availability confirmed by phone.
GoogleHow does it work?
1. You call us
Briefly describe your situation. We give you a precise arrival time. Mention the cylinder brand and door type if you know them - it speeds up preparation.
2. We arrive quickly
Our locksmith arrives with the necessary equipment and contacts you before arrival to confirm the exact address.
Assessment and agreement
After examining the mechanism, we explain the method and necessary work before you agree.
4. Problem solved
The technician completes the accepted work and tests the result with you.
Our commitments
Describe the problem so our team can arrange the intervention. Prepare for a locksmith visit.
Emergency? Give your address and describe the problem when you call to confirm availability and arrival time. Read our guidance by emergency type and check our service areas across Belgium.
Frequently asked questions
Why is my lock suddenly jammed?
Can you unjam my lock without replacing it?
How can I prevent a lock from jamming?
My lock often jams in winter, is this normal?
Jammed lock: identifying the cause before choosing a fix
The key goes in but will not turn. Or it turns freely without engaging the bolt. Sometimes it refuses to insert fully at all. A jammed lock can present in different ways, and each points to a different underlying problem. Before we touch any tools, we always take a moment to understand what is happening inside the mechanism. The assessment helps select an appropriate method and explain the repair options before your agreement.
The main reasons a lock jams
Natural cylinder wear
Wear depends on the model, frequency of use, exposure and maintenance. A key that catches, unusual play or a recurring difficulty warrants assessment; cylinder age alone does not determine whether replacement is needed.
Temperature and humidity changes
Exterior doors made of wood or PVC shift with the seasons. In summer, wood absorbs moisture and swells. In winter, it contracts as the air dries out. This movement shifts the alignment between the bolt and the strike plate by a few millimetres - enough to stop the lock from operating. We see this most often in the older Brussels townhouses where solid timber frames react strongly to seasonal changes.
Dirt build-up and wrong lubrication
Do not force a key that resists. Follow the manufacturer's instructions for the maintenance product and frequency suitable for this model. Do not add an unapproved lubricant; have a persistent blockage inspected.
An unnoticed break-in attempt
A sudden blockage does not, by itself, establish that a break-in was attempted. Mention any visible marks or deformation so the mechanism and door can be assessed.
Repair or replace?
The answer depends entirely on the condition of the mechanism:
- Seizing or dirt build-up: model-appropriate maintenance may be considered if the mechanism remains usable; it cannot substitute for assessment of a damaged part.
- Door-to-strike misalignment - adjusting the strike plate or bolt resolves the issue. Sometimes a quick file on the strike plate restores the correct clearance.
- Worn or damaged cylinder: cylinder replacement may be proposed after measuring and checking compatibility. Reference, availability and price are confirmed before agreement.
- Faulty lock body - when the problem lies within the lock case itself (a broken spring, a warped connecting rod), the entire lock body needs replacing.
What to do while waiting for us
If your key goes in part way, do not force it. You risk snapping it inside the cylinder and turning a straightforward unblocking into a broken key extraction. If the key turns but the door stays shut, try gently pushing or pulling the door leaf while turning - this can compensate for slight misalignment and may get you inside in the meantime.
Lock seized, stiff, or unresponsive? Describe the problem to us on 0495 205 400 and we will tell you exactly what to do while we are on our way.