Locksmith Cape Town: what to try before you call one

Put the key in and turn it, slowly, and pay attention to exactly where it stops. Almost every lock fault in Cape Town falls into one of three groups, and the key tells you which one you have. That matters because the three groups cost wildly different amounts to fix, and two of them are things you can often sort out yourself.

If the key goes all the way in and turns its full sweep, but the door still will not open or will not lock, the lock is not the problem. It is doing exactly what it was made to do. What has moved is the door: hinges have let it drop, a wet Cape winter has swollen the timber, or the strike plate on the frame has drifted off the line of the bolt. A locksmith in Cape Town who quotes you a new cylinder for that fault is charging you for a part you do not need, and it is one of the commonest wasted purchases in the city.

If the key goes in and turns partway, then jams, something is obstructing the mechanism. Grit, old lubricant that has gone to varnish, a worn pin, or a key that has been copied so many times it no longer matches the cylinder. This is the group where a few minutes of your own time has the best odds, and where lock repair rather than replacement is nearly always the right answer if it comes to a call.

If the key will not go in at all, or goes in and will not move a millimetre, the mechanism has genuinely seized or something is inside it. This is the one group where you should not keep forcing it. Every extra twist risks snapping the key in the lock, which turns a small job into a bigger one. Stop, read the section on snapped keys below, and if it is your only way in, this is exactly what emergency door opening is for.

First, do not push the key in further and do not put glue anywhere near it. The superglue trick that circulates online, where you stick the two halves together and pull, fails far more than it works, and when it fails the glue is now inside the pins. That converts an extraction into a replacement.

If a few millimetres of the blade are showing, a pair of fine needle-nose pliers, gripped on the flat of the blade and pulled straight out in line with the keyway, will often do it. Pull, do not twist. If nothing is showing, a coping-saw blade or a very thin jeweller's blade slid along the side of the key, teeth facing outward, can hook the broken piece and draw it out. It takes patience and a steady hand and it is worth ten minutes of trying.

If that does not work, it is a job for a proper extractor kit and the lock usually survives it. What decides whether the cylinder survives is what happened before we arrived: a key snapped on a clean turn extracts easily; a key snapped after a lot of forcing has often bent the pins with it. That is the case for lock repair first and replacement only where the cylinder is genuinely finished.

Nobody honest gives a single price over the phone for a fault they have not seen, but a range is fair and you should insist on one. The cheapest jobs are adjustments: a strike plate moved, hinges tightened, a cylinder cleaned and lubricated. The middle band is an opening of a locked door without damage, or a cylinder replaced like for like. The upper band is a full lock body replaced, a high-security cylinder fitted, or a mortice lock that has to come out of the door to be worked on.

What moves the price up is legitimate and should be explained to you: a high-security or restricted cylinder, a commercial door with a closer and access control, a night or weekend call-out, and a door that has already been forced and needs the frame repaired as well as the lock. What should never move the price is the locksmith discovering, after arriving, that the job is somehow much bigger than the one described on the phone, without being able to show you why on the door itself.

The single question that protects you: what did you find, and how did you test it? A locksmith who has diagnosed a lock can tell you in one sentence. The key turned fully so it is the alignment. The cylinder is corroded through, look at the pins. The bolt is missing the strike by two millimetres. A locksmith who cannot answer that has not diagnosed anything and is quoting the most expensive thing they can think of. On a domestic door, the most expensive thing is almost never the fault.

It depends entirely on why you were locked out. If you simply left the keys inside, no. The lock is fine and nobody else has a key. Have it opened and get on with your day. If the keys were lost, and especially if they were lost together with anything that carries your address, a bag with your ID, a car with the registration, a phone with your home pinned in it, then yes, and quickly. Whoever has that bundle can walk in. The lock change is not about the hardware, it is about the number of keys in the world that open your door, which has just become unknown.

The same logic applies when you move into a place. The previous owner, the previous tenant, the agent, the cleaner, the builder, the ex: nobody knows how many copies exist. A cylinder change on the day you get the keys is the cheapest piece of security you will ever buy, and it is the one most people skip. It also applies after a break-in even where the lock was not the way in, because a burglar who has been through your drawers has probably found the spare.

What a lock change is not is a cure for a lock that merely sticks. That is the key test again. A sticking lock wants cleaning, lubrication or alignment, and swapping the cylinder for a new one of the same grade in a door that has dropped simply gives you a new cylinder in a door that has dropped.

Most of this guide says try it first. This part says the opposite, because a few faults get more expensive every minute an amateur spends on them. A mortice lock, the kind set into the edge of the door with a lever handle, that has seized with the door closed: leave it. The internals are in the door and the only way to it from outside is a skilled opening. A security gate, which in Cape Town nearly every house has, with a lock that has seized: leave it. Gate locks are cheap, gates are not, and a gate lock forced with a bar takes the gate with it.

A deadlock with a key on the inside, where you are outside: leave it, and do not let anyone on the outside start drilling, because it is one of the openings a good locksmith does cleanly and a bad one turns into a new door. And anything on a rented property where you are not the owner: leave it, and phone the landlord or agent first, because a lock you replaced without permission is a deposit conversation later.

For all of these the answer is the same one this whole guide has been building to. A locksmith in Cape Town who is honest about what they found will get you in, or get the lock working, for less than the cost of trying and failing, and will tell you on the phone whether it is worth the call at all. That phone call is free. Make it with the key test done, and it will be a short one.