Depends on which drawings you have, but upload them here and you can get help. K-drawings are the ones of interest.
Otherwise, you should be cautious if the wall is close to the middle of the house in the same direction as the roof ridge.
If any wall is thicker or made of a different material.
If walls on different floors are "stacked on top of each other".
The walls can also be stabilizing, so just because a wall isn't load-bearing doesn't mean it's safe to remove it without taking measures.
But tell us or upload pictures of the cottage, and one can make a more qualified guess.
Otherwise, you should be cautious if the wall is close to the middle of the house in the same direction as the roof ridge.
If any wall is thicker or made of a different material.
If walls on different floors are "stacked on top of each other".
The walls can also be stabilizing, so just because a wall isn't load-bearing doesn't mean it's safe to remove it without taking measures.
But tell us or upload pictures of the cottage, and one can make a more qualified guess.
It looks like trusses, and then no interior walls should be load-bearing.