How to use the online timer
You are standing beside the locker, waiting while a council leisure-centre attendant checks that it is empty and ready to be handed back. A twenty-second countdown fits a quick look inside, around the door and along the bench, while you simply watch for the check to finish.
Beside the changing rooms, conversations, hairdryers and swimming-pool noise can easily cover the signal. Keep the phone where its alert is not muffled by a coat or towel, and watch the screen as the final moments pass. The visible countdown matters here because waiting quietly does not guarantee that a modest alarm will be heard.
Once the attendant finishes, leave a small gap before heading to the reception desk, the poolside entrance or your next booking. That spare moment allows for picking up a bag, closing the locker door and checking that the key, token or wristband has been returned. If the signal comes first, there is no need to treat it as the exact handover point; the remaining check can finish without turning the next task into a rush.
Common questions
What might make this locker handover check take longer than the set interval?
A wet changing area, belongings left on the bench or a locker key that must be checked at reception can extend the handover. Busy UK leisure-centre changeover periods may also mean the attendant needs another moment before confirming it is clear.
What if the locker is cleared before the countdown ends?
Use the remaining moments to check the bench and confirm that the token, key or wristband is accounted for. This keeps the short wait tied to the handover rather than leaving immediately and discovering something was missed.