Before you can control rodents, you’ll need to confirm they’re actually there. Look out for small dark droppings in cupboards, under sinks, or near skirting boards. Gnawed food packaging, bite marks on wood, and greasy smear marks along walls or floors are also tell-tale signs. You might even hear scratching noises in the walls or ceiling, particularly at night when rodents are most active. Spotting one or more of these signs means it’s time to take action.