prefab 20*20 was an international open ideas competition challenging architects
and designers to propose a free-standing, prefab dwelling with a footprint of no more than
400 square feet(37.5 square metres) to be situated in an urban setting anywhere in the world.
the criteria was that it should accommodate two adults and include quarters for bathing, cooking,
living sleeping,working / studying and storage areas.

the competition was organized by architecture for humanity vancouver,
the architectural institute of british columbia, interior design show west 2009
and sponsored by azure magazine.

here is a look at the winner and some of the honorable mentions:


ecomobi scenario - situated on top of residential buildings


interior rendering of ecomobi in full use


closed-up

winner
ecomobi: modular housing system
mobius architects (przemek olczyk, wojtek gawinowski, wojtek sumlet)
krakow, poland




thick-skinned regionalism situated over water

runner-up
thick-skinned regionalism
daniel preusse, bo yoon, matthew fajkus
london, UK




self-sufficient pre-fab house


rendering of a complex of self-sufficient prefab houses

honorable mention
self-sufficient prefab house
system design studio (helbert suarez ferreira, remi melander)
barcelona, spain




the spontaneous house stacked

honorable mention
the spontaneous house
cobogó team (cláudia bastos coelho, mariana matayoshi)
diadema, brazil




the cantilevered urban (tree) houseextending out over the street

honorable mention
urban (tree) house
jason david designs (jason labutka)
new york, USA

the form of this shelter is taken from the iconic shape of a house that has been flipped onto its roofside

honorable mention
turned icon house
dipsource (daria barnas, ivo gigante tiago, paula cicuto)
porto, portugal

the futuristic looking mod radiant housing

honorable mention
mod radiant
sprawlers (ryan lohbauer0
philadelphia, usa