The Gisborne cockroach is a bush cockroach and prefer to live outside in bark gardens.
They come into houses in the winter when the house cools down. The cockroach mistakes your house for the garden based on their similar temperatures. Once inside they are trapped and wander around much to the disgust of some people. Uncommonly the get established in kitchens
A FREE tip is to cut foliage back to a 5cm gap around your house- if possible. This will reduce the chances of the Gisborne cockroach getting onto you house and then getting in through windows or doorways.