Abstract: The time overrun in construction projects is a common issue around the world then there is no exception to Sri
Lanka. This research aims to identify the factors & their significance in how to impact the project time overrun and
improve the suggestions for those identified causes. The aim entirely focuses only on the Sri Lankan construction industry.
According to the result, project time delays factors were recognized and discussed deeply. Overall results identified the
contractor’s improper planning, mistakes during construction by contractors, and weather conditions as three major causes
of time delays in government-funded construction projects in Sri Lanka.