This research paper examines the application of prefabrication in the improvement of social housing within the United Kingdom. The paper begins with an introduction to the concept of prefabrication and its historical context, particularly after 1945 in the UK. It then delves into the current methods of off-site construction, including volumetric, panelized, and hybrid systems. The methodology involves an investigation of three case studies: Paragon-Bretford, Hanson Eco house, and Victoria Hall-Wembley, each illustrating different applications of prefabrication. The report analyzes the advantages of prefabrication, including cost, quality, and time efficiency, and assesses the performance of prefabricated buildings. The analysis includes discussions on waste management, modular construction, and the use of steel and other materials. The paper concludes with a discussion that combines the findings and provides a tentative conclusion on the potential of prefabrication to address the challenges of social housing in the UK, supported by figures and references.