Can a covered terrace be counted as living space?

Show me the section for that as well.

So the roof pitch here may be at most 15°.

That is unusual – are you sure it’s not a misinterpretation?

And we don’t want slanted ceilings.

Then they will have to be lower.

That’s why we also needed the solution with the terrace.

You won’t get that.

Maybe knows what to do? However, I would also say that your ideas won’t work and you won’t achieve a full floor. Especially if you don’t want a set-back floor. In my opinion, the terrace would have to become a proper extension. However, I am not an expert on this. I am more surprised that other cities approve something like that.

Maybe knows advice? But I would also say that your ideas won't work and you won't achieve a full upper floor. Especially if you don't want a set-back top floor. In my opinion, the terrace should become a proper extension. However, I'm no expert there. I'm rather surprised that other cities allow something like that.

I just registered here yesterday, can't start a conversation yet :/

Is the employee of the city someone you can talk to? They should be able to tell you the relevant paragraphs of the building code and also directly tell you which forms they can or want to credit in principle and which not at all. With luck, you can reach a quick consensus with the city this way. Use the consultation hours or call them.

Otherwise, you have to take the hard way through specific paragraphs of the building code and various implementation guidelines, etc., and meticulously provide your calculation with a concrete legal basis.

If this goes through, I'll eat a broom. In Hesse, one can or could count the garage towards the number of floors of the above-mentioned building, but, as it is said, the garage must be integrated into the building and visually form a unit, (Zitat vergessen). As you are planning it, it won't work with the garage.

cannot start a conversation yet

... but react to my post #13 ;-)

In Hesse, the garage can or could be counted towards the number of stories of the upper floor, but, as it is said, the garage must be integrated into the building and visually form a unit,

I suspect, however: then it will not be allowed to be adjacent to the boundary (?)