Gate & Building Entry Locks in London

Often, yes. A closer that slams is frequently just out of adjustment rather than worn out, and bringing its closing speed and final latching action back into a sensible range solves the problem on its own. Replacement becomes the answer when the arm, seals or internal fluid have genuinely failed, which the locksmith checks for directly rather than assuming from the symptom alone. Either way, the gate is tested through several full cycles before the visit is called finished.

The usual cause is meltwater getting into the keyway during a thaw and refreezing overnight, which stiffens the plug or blocks it outright, along with cold thickening any grease left inside from the factory. Road salt tracked onto ground-level hardware adds corrosion on top of that. A cylinder treated with the lubricant its maker specifies, kept clear of standing water, generally handles a winter far better than one left as it came, and a weather-rated replacement, kept up the same way, holds up better once the current one is pitted.

The locksmith first looks over the damage without disturbing it, noting pry marks, a bent strike or a cylinder that has been scored or spun, since that record is useful to have regardless of what else follows. Any hardware that was compromised is replaced rather than trusted, and a weak point the attempt exposed, such as an undersized hasp or a strike with too little bite, is addressed at the same time so the same approach would not work a second time.