He said a fire investigator was at the scene trying to work out the cause of the fire and track down the owner.
The fire was extinguished by about 8am, but some crews remained at the scene dampening hot spots.
Earlier in the night the same crews were called to a well-involved caravan fire on Whangamata Rd, Marotiri near Taupō.
The destroyed house on Lake Terrace this morning. Photo / SuppliedHe said crews got the call-out about 9.30pm with four fire appliances attending.
Initially, one person was unaccounted for, but they were quickly found, he said.
It was not clear whether either of the fires were suspicious at this stage, he said. Thorough investigations would take place for both.
Police also went to the scene of both fires, a police spokeswoman said.