door locks

Hello! I’ve just replaced our lock with a more secure one but do you think the cylinder is too far in from the outside? There is a gap between the cylinder and the faceplate of about 3-4mm.

Hi, My bathroom has a euro cylinder lock which has become jammed and is sticking - I've tried lubricating it already with WD40 as per the advice I found on Google here https://www.lathamshardware.co.uk/blog/how-to-guides/euro-cylinder-lock-stuck/ but it unfortunately hasn't budged. I'm looking...

One of the hook points on my uPVC door appears to have jammed after it was opened (a visitor managed to do it somehow) and whilst the rest of the lock mechanism seems to be working ok, it's stopping me from closing the door over. Does this sound like a full lock replacement job?

I have a U.P.V.C door that will not open. It has a Corbin cylinder lock barrel with multipoint locking. The key will turn to lock and unlock positions, both inside and outside, but the door handle will not go down to open the door. I have removed the door handle, but can not remove the lock...