It is becoming a priority for architects to optimize projects that require increasingly smaller spaces, especially when building in urban areas where land value is often the most critical factor. This happens in countries like Portugal, for example, where urban plots are scarce and the properties available for remodeling are usually very small.

Working on a small scale offers somewhat playful flexibility. From adaptable interiors to urban installations and treehouses, one must use the imagination to solve the issues of limited space or budget. Check out the following 15 projects in Portugal —from stores to small pavilions— that show that spatial limitations do not diminish the quality of architecture.

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