Rental housing has been one of the most important forms of housing since the advent of rapid urbanisation and industrialisation. In the modern globalised world, jobs are multi-disciplinary and involves a lot of movement which is both domestic and international it can be said that rental housing in one form of housing which is growing in importance. On one hand people who are well off and have a stable jobs need to move on the other there are people who keep moving in order to get a stable source of income. (A Gilbert, UN habitat, 2011) This paper is focused on the issues and situation of rental housing in global south and especially in the informal settlement so all the arguments will be based in that context unless stated otherwise. There are major three sections in this paper which are purely based in literature review of already existing materials. In the first section the focus will be on mapping and understanding the situation which is the descriptive side which again has two main