Floor plan design single-family house (city villa 140 sqm) on a slope with double garage

And it goes evenly downward?
5.5 meters down over 33 meters?

Yes, it does. I had uploaded photos (after filling with fill soil) where you can see that quite well. I'll attach one again.

Why did you upload the sketch of the construction area?
We have been asking for the development plan as a text and plan statute for at least 8 pages now.

Where are those two things?

So here is the development plan I have:

Somehow you have no ambition to resolve your uncertainty. I somehow find that stupid.

After 2 minutes of googling I found the following. Whoever wants to eat must also be able to chew.

...
General goals and purposes of the planning:

The development plan serves to create the planning law prerequisites to meet the demand for building land and is intended to contribute to the promotion of inner development through moderate densification.

A higher building density is to be permitted in order to accommodate the different housing needs.

In the core area of the amendment zone, building plots are to be designated that allow rental apartment construction and multi-family houses.

For this purpose, the floor area ratio is to be increased from 0.3 to 0.4 for an area within the 1st amendment and a two-story construction is to be specified. However, the building height is limited to a maximum of 12m.

The areas designated for planting trees, shrubs and other vegetation in accordance with § 9 para. 1 no. 25 a of the Building Code as well as the regulation for greening the property areas established for the amendment area are taken over unchanged respectively remain legally binding unchanged. A significant intervention requiring compensation cannot be derived, so that further compensatory measures and areas can be omitted....

Somehow you have no ambition to resolve your uncertainty. I find that kind of stupid.

After 2 minutes of googling I found the following. Whoever wants to eat must also be able to chew.

...
General aims and purposes of the planning:

The development plan serves to create the planning law prerequisites to meet the demand for building land and is intended to contribute to promoting inner development through moderate densification.

A higher building density is to be permitted in order to accommodate different housing needs.

In the core area of the amendment zone, building plots are to be designated that allow rental apartment construction and multi-family houses.

For this purpose, the floor area ratio within an area of the 1st amendment is to be increased from 0.3 to 0.4 and a two-story construction method is to be fixed. However, the building height is limited to a maximum of 12 m.

The areas designated for planting trees, shrubs, and other vegetation according to § 9 Para. 1 No. 25 a Baugesetzbuch for the amendment area as well as the designation for greening the property areas are adopted unchanged and remain legally binding unchanged. A significant and compensable impact cannot be derived, so further compensation measures and areas can be waived....

Sorry, but now I'm completely clueless!? What are you trying to tell me with this?

Sorry but now I'm completely at a loss!? What are you trying to tell me with that?

It says right there: You are allowed to build 2 full floors and your footprint increases to 0.4.
Did you know that?

It says right there: You are allowed to build 2 full floors and your base area increases to 0.4.

Did you know that?

No!