Due increase of urbanization as a significant symbol of economic prosperity which has being sought by many countries. Due to this increase however there has being extreme anxiety in the housing of huge population. As a result of the rapid growth experienced in most countries and due to the importance the quality and availability housing plays in the lives of their all inhabitants. The government to provide shelter especially for the low income groups of their country.
The United Nations Universal Declaration of Human Rights 1948 which states that “everyone has the right to standard of living adequate for the health and well being of himself and family members including food, clothing, housing, medical care and necessary social services. This housing provision is known in different countries as different schemes. It is low cost houses and some others it is affordable housing. The sustainable housing means that to meet basic human needs and comfort levels, are economically viable and socially acceptable, improve socio-economic equity, and be technologically feasible.
Housing besides being a very valuable asset, has much wider economic, social, cultural and personal significance (Kajimo & Evans, 2006). Despite this importance however most countries are yet content with the provision of shelter to the various economic groups that make up its general population. Housing issues still remains a major discussion in several global summit such as the 1992 Rio-de Janeiro summit on environment and development, the 1996 Habitat Summit at Istanbul, the 2000 New York, United Nations Millennium development Goals (MDGs) summit, 2002 World Summit in Johannesburg and the 2005 La Havana.