To rule out any problems with the cylinder try inserting your key and turn to unlock.
How to open a broken front door lock.
How to remove a broken key from a door lock.
If there is no issue close the door and then try the same thing.
This will tighten the loose door handle and if done correctly your upvc door should be locking correctly and working again with no issues.
So all you would need to do is find the screw that holds the barrel of the lock in place and tighten it.
However if the lock is misaligned you will feel a diminished usability only when the door is shut.
Off course if the door is out of alignment the latch will likely bind.
Hidden screws look along the throat of your broken doorknob for a small set screw or a small slit.
Warm the key by placing it on top of a radiator or in a bowl of hot water.
All you need to do is open your door and unlock and relock the device.
Actually you can save some cash and solve the.
Grasp the exposed spindle with pliers.
The best way to thaw out a lock is to insert a heated key into it.
You can check the tightness of the hinge screws.
Lastly look carefully at the strike on the door jamb if it s obstructed or out of sync the latch won t slide smoothly in and out.
Remove the screws holding the escutcheon plate to the door if they are exposed or look along the outer edge of the.
This is found where your indent for your key is.
And this will need replacing.
If it turns freely and unlocks then the problem may lie in the multipoint lock.
Use a small hex key to loosen the.
However if your upvc door won t open then this makes replacing the locks quite tricky.
I will show you an easy way to remove the door lock and open it manually as this.
How to open a door that s locked and cant be opened with the handle or knob.
Using gloves dry the key and insert it slowly into the lock.