Semi-detached house, we have no basement, neighbor has a basement

... at the same time, there is little space on your own towel, so "downwards" is not entirely stupid.

You are probably right, however, because of the deep building window, one often has the typical terrace house "attic studio," which is just as dear to the Märklin train as a basement.

We have already inquired about the costs with some developers.

You probably mean contractors (as general contractor or main contractor), municipalities typically do not act as developers, or developer plots do not exist without a house.

Oh, the discussion again ...

No, leave it, we've already had that here: and ...

I don’t understand the municipality at all: to sell a contiguous plot separately. That only causes trouble

... I have already explained that in detail there.

You probably mean general contractors (as GU or GÜ), municipalities typically do not act as developers, or developer plots do not exist without a house.

Yes exactly, we informed ourselves with house providers. Although all the consultation talks are also their own topic. You can really notice enormous differences there...

Where all the consultation talks are also quite a topic in themselves.

You can see that right now here as well:

Of course, it is a matter of data protection whether and how personal data is passed on to third parties. And if a buyer backs out, you just take the next one nowadays.

However, data protection is contradicted by the fact that after binding confirmation of both notary appointments, the data is passed on ...

However, data protection is contradicted by the fact that the data is passed on after the binding confirmation of both notary appointments ...

Yes, the municipality then obtains the consent of both parties. If one party does not give consent, it will probably be found out eventually by chance or something like that...

Of course, you are allowed to "come out" yourself. Post on the local supermarket's bulletin board "I am the kamda (Tel. / E-Mail), who will be my neighbor?" With a picture of the property or the cadastral map.