Green spaces are an important element of the spatial structure in large prefabricated housing estates. They have their strengths and weaknesses and generate a number of opportunities and threats, the identification of which allows the potential of these areas to be realised and further developed. The goal of the study is to present the general condition and future of green spaces in large prefabricated housing estates in Poland. It is important to note that to date no research works have been published in the literature that would investigate green spaces in such estates using the SWOT/TOWS method, as confirmed by a search of the Web of Science and Scopus databases. The study area included two such estates located in two Polish cities: Toruń (Rubinkowo I) and Kraków (Bronowice Nowe). The study used the SWOT/TOWS method and an urban-architectural inventory research walk. The results of the study indicate that the best strategy for developing green spaces in estates of this kind is the competitive strategy, which involves taking advantage of opportunities while reducing the weaknesses of green spaces. The research walk also identified a diverse composition of green space species and a high proportion of green spaces in the overall estate area. In addition, green spaces are socially inclusive and can be an important element of urban resilience. The results of this research contribute to the discussion on the condition and future of green spaces in the estates.