Personal social space
Theorically the Dutch compensate for their lack of physical space available in the country by making their personal social space wider. Therefore they can manage living problems in such a crowded society.
The Dutch may stand closer together than Americans for instance. However, Dutch interaction is generally formal. You are not supposed to call someone by a first name, as it is quite common in the US.
As long as you are polite enough to respect other people's social space, they will politely respect yours and tolerate almost anything you would like to do, and of course as long as you keep it inside your personal social space and out of theirs.