Hanmer Springs offers something for all budgets. Freedom camping to the Heritage Hotel, Motels, Forest Cabins and also houses to rent (these can be very reasonable if you are coming with some friends)
Alpine Holiday Homes
Start by checking here for some ideas:
www.booking.com has all the motel and hotel deals
The Hanmer Forest Camp has very reasonable rooms for $25 a night per person. So there is something for everyone, a great place to stay if you want to push bike into town and stay in the country!