How do I gain entry when my key(which locked the doors)won't engage the unlock mechanism,jamming at the 2o'clock position(or the 10o'clock position for the locks which work the other way round)?I have thoroughly WD40'd the locks and left it to penetrate for over 24hours and wiggled the key in all the lock barrels extensively.Do I have to destroy the mechanism?(Levering off a lock cover and getting-to with a hefty screwdriver,for instance;or do I have to drill out the barrels down the key axis,and what size bit is most effective?),or what do I do,short of distorting the door/frame or breaking a quarter-light?

allington mcfarry, February 2012

is your key worn?do you have a good spare?my advice is to find out your key no.get a new blank key cut to your correct no. and try that,it sounds as if the locks/keys have excessive wear,you may need your ownership documents if you are going along this route to get another key

cdc, February 2012