Usually not, but a building permit may be required. However, to know, you need to check with your municipality what applies in your area.
![](https://www.energiengagemang.se/wp-content/uploads/2023/03/Litet-hus-1-1.png)
Usually not, but a building permit may be required. However, to know, you need to check with your municipality what applies in your area.