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Choose this for a failed patch lock on a hinged glass door.
- If the lock works but misses its floor hole or keeper, see the Glass Door Alignment. The door may have dropped while the lock remains sound.
- If the door slides instead of swinging, see the Sliding Glass Door Lock Replacement. Sliding doors need a lock matched to their different closing movement.
How a glass door lock fails
The key gets harder to turn week by week. The levers inside the lock are wearing, and dust from the floor works into the box.
The bolt stops reaching its hole. The door has dropped a little, so the bolt and the keeper no longer line up. The lock is fine, and the door needs setting.
The key turns but nothing moves. Something inside the lock has broken. This is the fault that locks people out, and it usually follows weeks of a stiff key.
If your key has become stiff, send us a photo of the lock corner. A lock changed early is a planned visit. A lock that fails can leave the office shut.
The lock must match the cutout in your glass
Toughened glass cannot be cut or drilled after it is made. The cutout for your lock was made before toughening, and it cannot change now.
So the new lock has to fit that cutout. Most patch locks follow standard corner sizes, and we match to those. A photo of the lock with a tape measure across it tells us which size to bring.
Where the old lock is an odd size, a cover plate can often bridge the difference neatly. If nothing safe will fit, we tell you, rather than force a lock that will fail again.
How the lock change goes
The old lock comes off the corner of the door. We clean the glass around the cutout and check its edges for chips. A chip near a cutout matters, and you should know about it.
The new lock goes on with fresh gaskets between the metal and the glass. We never reuse old rubber. Then we line the bolt up with the floor socket or the keeper, so the key turns easily.
Most lock changes take about an hour. The door stays hanging the whole time.
What a lock change costs
A patch lock, supplied and fitted, starts at ₹1,615. That includes the new keys, the gaskets and the alignment.
If the keeper or the floor socket has worn too, we change it at the same time, as a small extra line. A black or brushed finish costs a little more than chrome, and may need ordering.
If the lock is healthy and only the alignment has gone, we set the door. You pay for the visit, not for a lock. You should not buy a part you do not need.
