Investment tendencies in a country and particular region in general have a crucial role in the creation of the sustainable environment of the city, spatial planning and land use management. Green construction has great potential for investing and can provide variety of benefits for sustainable longterm development of the country. The aim of the research is to analyse the environmental and economical substantiation of investments in green buildings, with particular focus on the experience of Germany. The researchers used logical, inductive, quantitative and statistical analysis logical methods, analysis of scientific literature as well as comparative analysis. Lack of information is a peculiarity of real estate market, and especially affects the activities in green building construction, that also shows the necessity of developing economic and environmental criteria for substantiation of the decision-making process. Future research directions have been identified as well.