Separate land and generate building land? Where to inquire?

Hello,

I just talked on the phone with my acquaintance who was at the building authority today. Now I know a few more details that might shed a bit more light on the situation.

-> The property was divided into three lots many years ago. Two of them are registered in the land register as "building land," the third as "green land."
However, today at the building authority, he was told that the land register entry is irrelevant because according to the development plan (from 1980; which supposedly has not been changed since) the building boundary ends at the other house.
The funny thing is that today on the other side of the street there are three houses which, according to exactly this development plan, should not be there because these areas are designated as green land...

How would you proceed?

Submit building application - have it rejected - file a lawsuit at the [Landratsamt].

Hello,

Submit a building application - have it rejected - file a lawsuit at the district office.

Heavens - why always recommend the ultimate weapon right away?

How about an informative conversation at the responsible building authority instead? Conducted "at eye level," it is often said to create clarity

Rhenish greetings

Agree completely, construction expert. Go to the city planning office and, if necessary, the building authority with your questions and have a conversation there. Prepare yourself so that you maintain control of the discussion, have the arguments on your side, and already have answers ready for foreseeable objections from the office. Skillfully propose solutions in such a way that they apparently serve both sides, but above all benefit you. Proposing solutions means that the officials there do not have to think themselves and will be more likely to agree with you immediately. This is exactly how I just conducted two conversations at the office and am 100% satisfied with the result.

He did write that his buddy has already approached them there and his request was handled negatively. What’s the point of constantly annoying the ladies and gentlemen of the building authority? By the way: it’s not the officer / employee of the building authority who decides but the municipal council / city council / district council. Therefore: even if the employee is against it, the council could be in favor and he is allowed to build. The opinions of the building administration and the municipal council do not always agree. However, he only finds this out when he submits a building application / building permit request. If this is then rejected, he can / must appeal to the competent authorities. So my tip: submit a preliminary building inquiry and see how the relevant municipal council stands on the whole thing!

He did write that his buddy has already made an appearance there and his request was treated negatively.

That's unfortunately how it looks...
Maybe the next step would actually be to submit a written preliminary building inquiry. I'll pass on the information to him for now. Thanks.