Once you ve checked the door and frame make sure you have a look underneath the door.
Upvc door wont lock when shut.
A locksmith will usually just charge a labour price for this sort of job likely to be from 65 per hour.
Dowse the door with cool water or pat around the outer sections of the door with a cold damp cloth.
Trying to repair a upvc door that won t lock is hard and frankly sometimes impossible.
Get a professional to fix the upvc door for you.
During particularly cold or particularly hot months your upvc door may have contracted or expanded slightly causing it to not close properly.
So no matter if your door has dropped or the locking mechanism decided to break don t worry as we ve got a solution for every problem.
My upvc door won t lock when hot high temperatures and direct sunlight can make a upvc door expand so hot weather could throw the door out of alignment slightly.
Should your upvc door not lock when closed shut this is due to alignment and in most cases is easy to fix either by adjusting the lock strike keep or roller points or by adjusting the door hinges.
If you find your door is rattling when closed or if it isn t catching when being pushed shut it may be that you need to adjust the door latch.
There could be something stuck such as part of a door mat at the bottom edge of the door stopping it from closing.