The article analyzes the provisions of the amendment to the Act — Construction Law and the Act on spatial planning and development. In particular, the article analyzes provisions on the new category of construction facilities introduced — detached houses, no more than two-story single-family residential buildings with a building area of up to 70 m2. First of all, the it is assesses whether the new solutions will contribute to the acceleration and informalisation of the administrative procedure granting consent for the realization of such buildings.

The article analyzes the EU competition rules in terms of achieving the objectives related to environmental protection. Aim of the research is to determine whether the EU legislator has specified which of the above-mentioned goals outweigh one over other or whether these goals are equivalent. The article also examines how objectives related to environmental protection, which do not have an economic dimension, can be combined with, for example, the premises of individual exemption from the prohibition of agreements restricting competition, which have an economic dimension.