Vietnam-based firm Vo Trong Nghia Architects recently revealed an affordable prefabricated prototype house that could potentially offer Vietnamese people on a very low income somewhere safe and durable to live. While still a work-in-progress and thus subject to change, the S House currently costs just US$4,000 to build.
Vo Trong Nghia Architects has been developing the S House since 2012, and the design has already gone through several iterations. The firm notes that because Vietnamese wages can be very low (the equivalent of under $100 per month in some cases), many people are required to live in temporary shacks that simply don't stand the test of time and are expensive to maintain and repair. Therefore, the main goals of the S House are durability, affordability, and ease of repair.