The extraction of slate generates huge amounts of waste. As much as 50% of the material is wasted during the extraction, cutting and dressing operations. Based on laboratory work carried out by author it is analysed that the slate waste can be used in the preparation of concrete blocks for application in building construction. These blocks will be cheaper and economically viable for use in hills where conventional bricks are in short supply. Thus, this paper provides a case study for utilisation of slate mine waste in to value added product , to be used for application in building industry.