Unskilled labour productivity on construction sites is highly needed and improving their output is a vital performance measure needed to enhance the efficiency and effectiveness of the construction industry. Thus, the study aimed to determine measures for improving unskilled labour productivity on construction sites from the perspective of a skilled labourer. A questionnaire survey was conducted among building contractors were selected to solicit information pertaining improvement of unskilled labour productivity. The data collected was analysed quantitatively. The findings revealed that lack of education, poor health of the workers, ignorance of safety precautions and psychological needs were some of the factors affecting their output. Again, employee motivation, employee training, communication and job satisfaction were the key variables to improve unskilled labour productivity on construction sites. It was recommended that education and training sessions should be organized frequently and job security to enhance the productivity of unskilled labourers on construction sites making them more effective and efficient in terms of productivity improvement.