The article presents the most important provisions of the Act of 20 July 2018 on Transformation of the Right of Perpetual Usufruct of Land Developed for Housing Purposes into Ownership of Land. The transformation in question will take place ex lege as of 1 January 2019. This presentation is preceded by information about the possibility of transformation of the right of perpetual usufruct into ownership according to laws in force until 31 December 2018.