Tighten the hinge screws and then try adjusting the strike plate by loosening its screws and shifting it slightly.
Plastic door lock problems.
Pvc door will only lock from one side if you find that your upvc door only seems to lock from one side of the door and the other will not allow the key to turn then you will need a replacement lock barrel.
If when you lift the handle and you turn the key to lock you are unable to remove the key.
They are often the result of door locks that were not properly installed or doors and door frames that are warping due to climate changes.
You may feel that you have to apply force when opening and closing your doors.
If it s not in this position lift the handle and push it down.
The danger here is easy to spot.
When your upvc door or window lock gets jammed it normally is a result of a defective lock mechanism.
There are 2 main mechanical parts to its lock the euro profile cylinder and the multi point locking system.
Upvc door shrinkage and expansion the change in temperatures hot weather and warm air can cause your upvc doors to shrink contract and expand.
When lifting the handle all the bolts have to work in tandem.
This upvc door shrinkage and expansion can make it difficult for you to lock your doors.
Misaligned deadbolts and latches are common door lock problems.
This is a far easier solution than moving the lock.
If your door lock is misaligned it becomes difficult to operate the door normally.
If you re having trouble locking your door you may need to have a look at part of the door that s referred to as the snib.
The key may not turn all the way in or will not turn the lock in some cases.
Repairs range from making minor latch adjustments to repositioning the door.
If this is the case remove the weather stripping and place the stripping further back on the door frame.
On the long edge of your door about level with the handle you should see a small plastic switch that should be pushed down.