I've had meter readers turn up unexpectedly and I tell them that I don't allow them access without an appointment. Some get really annoyed, but others are more understanding. My neighbours were targeted by bogus meter readers a few months ago, so we are on our guard.
My landlords always text ahead when I'm expecting workmen so I know when they are on their way. But my response to anyone calling is always the same, I don't see them without an appointment.
Reforms response to Rachel Reeves’ heckler.
