It is a nice little cottage but it is not in Rotorua - it is 30-40 kms outside the city.
Make sure you have your own towels as they are not supplied. And, if like us, you had to go and buy them, there is no washing machine. Drying hand washed towels takes ages.
Wifi only reaches the back of the house as it (seems) is shared from the residence behind.
Bring insect repellent- mosquitoes are plentiful and there are no fly screens.