Question about the development plan

Hello everyone.

After reading for a long time, I now want to write my first post. The following question arises regarding our development plan.

A house with 2 full floors, eaves height (raw ceiling to outer roof covering, measured at the house wall) = 6m, can be built on the plot. Roof pitch for a gable roof between 38 and 45 degrees.

So, if I build the ground floor + 1st floor and then a roof with a 45-degree pitch, am I allowed to use the roof as living space? Because it only says two full floors? So the 6 meters etc. are adhered to, but am I allowed to develop it or is it only permitted as storage space?

You are allowed to convert the attic into living space. The idea is that under the roof, a maximum of 2/3 of the floor area may have a ceiling height over 2 meters (something like that, I believe the calculations vary from country to country, but as a rough guideline you can orient yourself to this for your question), so that it is not considered a full storey.