We are local residents who have heard about this house for a long time. The tree house is on the hill having a great view of the city on sunny days. It's cozy to spend daytime on the balcony with a cup of coffee.
As it is noted by the owner it might not be very safe for toddlers, so we only enjoyed our time in the afternoon and the morning next day (while our son was at daycare). There were 2 heaters on the second level, so I believe it should be warm enough overnight.
We might come back some day in the future when our kid grows a little older.