Every country has its way to provide a Housing Delivery System (HDS). The law of the Republic of Indonesia Number 1 of 2011 explained that the government provides and facilitates the people on housing and human settlement through the National Affordable Housing Program (NAHP) and One Million Houses Program. The United Kingdom’s government is improving the quality and quantity of properties for renting and also providing housing support for vulnerable people based on the Housing and Regeneration Act 2008. The ambition of adding one million new homes by 2020 is very attractive. Indonesia and the United Kingdom have the same aims at planning and building better places to live for everyone at affordable prices. Although the countries got a similar programs, the housing delivery system in Indonesia needs to transform for the better achievement of its housing delivery system. This study will be focusing on Housing Delivery System (HDS) differences between Indonesia and the United Kingdom for sustainable affordable housing programs. The objective of this study is to identify the differences between housing delivery systems in Indonesia and the United Kingdom for affordable housing. This study aims at investigating the comparative analysis of data about housing delivery systems in Indonesia and the United Kingdom. This study will provide valuable information to improve the housing delivery system in Indonesia based on the United Kingdom for affordable and social housing.