This proposal for low-cost housing by Mexican studio Zeller & Moye features a simple module, made from concrete and adobe brick, that can be easily expanded according to residents' needs.

The studio developed the concept as part of the Infonavit, a housing laboratory located in Hidalgo, Mexico, initiative, which invited architects to create innovative designs that would improve living conditions across the country.
Called Casa Hilo, the residence comprises a 90-metre-square base model made from concrete and earthen brick that hosts two bedrooms, a kitchen and dining area and a single bathroom. Additional blocks can be added to this module, to create multi-level stacks or large single-storey homes that meet the demands of the inhabitants.
"Based on modules, the house takes form from a single box that can be multiplied and arranged freely according to the site, budget and needs of each family," Zeller & Moye said.
In the single-storey layout, the rooms create a house that is interwoven with the landscape where each room is accessed off the surrounding garden instead of through a traditional corridor space.

Each room is contained inside a separate module with an individual entrance and rooftop terrace. A garden space between each room creates designated patio and planting areas where residents can enjoy an escape from the high temperatures.
A simple bathtub, cooking pit and set of dining furnishings, all made with concrete, are located outdoors to keep th...