Countries which take spatial planning seriously should take planning law and property rights also seriously. There is an unavoidable logical relationship between planning, law, and property rights. However, planning by law and property rights is so familiar and taken for granted that we do not think about the theory behind it. As a result, we do not think abstractly about its strengths and weaknesses, about what can be achieved with it and what not, how it can be improved, how it could be complemented. Such reflections are essential to cope with current and future challenges to spatial...