If staying for Tongariro crossing, I would recommend staying at Taupo instead. Although property is functional, it is tired and feels somewhat unclean and worn from the many previous travelers. We were a party of 6 adults. The property has 2 bathrooms and 3 bedrooms; one of the bedrooms has 2 singles and 1 double. This was ok for 6 of us, but I don't think it would have been for more.
Welcome bread was appreciated, as well as the plenty of towels and easy check in & out. But to choose again, I would stay elsewhere, Taupo would be a better base and I'd perhaps pay a little more, but also probably get more in return. Hot tub not worth it.