The alarm about the development of smoke came at 3 pm on Saturday.
Smoke divers entered the house at an early stage and found an ember fire in the floor.
The fire had then spread further to the floor and ceiling.
When the neighbor Gun-Britt Gerhardsson came home, she saw the house on full fire.
- It rained sparks from the air, she says.
Hear her tell more in the clip.