We are renovating a villa from 1959 and would like to demolish the interior walls on the upper floor. They are about 10cm thick and consist of light concrete + plaster. Is there anyone who can, with the help of the construction drawing, say if these walls are load-bearing?

The walls we would like to demolish are marked in red. The walls marked in orange would be nice to remove to expose the beams from the attic, but it’s not a must.

Floor plan showing red marked walls intended for removal in a 1959 villa renovation, with possible non-essential orange marked walls in a hallway. Architectural drawings showing detailed plans and elevations of a house, with measurements and annotations. Walls to be removed are marked in red and orange.
Attic space with wooden beams and a sloped ceiling, showing insulation and electrical wires. The view extends to the far end of the attic. Attic space with exposed wooden beams and a sloped wooden ceiling. Concrete walls and floor are visible. Possible renovation project.

Many thanks in advance!
 
BirgitS
Usually, things that are outlined in the truss drawing are load-bearing.
Blueprint sketch illustrating roof truss design with notes, highlighting asymmetrical structure considerations for consulting a building engineer.
But since it seems to be asymmetrical, there might be something special, so it might be good to check with a structural engineer.
However, the walls that go up/down in the floor plan, i.e., parallel to the trusses, are hardly load-bearing in any case.
 
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BirgitS BirgitS said:
Usually, things that are drawn in the truss drawing are load-bearing.
[image]
But since it seems to be asymmetrical, there might be something special, so it might be good to check with a structural engineer.
But the walls that run upward/downward in the floor plan, i.e., parallel to the trusses, are hardly load-bearing in any case.
Thanks for the response! That's probably what we should do just to be on the safe side :)
 
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