The roof rat is a common rodent in Auckland. Customers often report they can hear them but rarely report they see them.
They are good climbers and once they can reach your roof line they can find a way into your house.
Rats are known to carry serious diseases such Leptospira. Harmless to rodents this disease is shed in their urine and can be fatal to humans.
They are also know to damage houses in particular mains pressure water pipes. The resultant flood can cost hundreds of thousands of dollars to repair and cause a significant inconvenience to homes and businesses.