Which type of dwelling is designed to be mostly compact and efficient in space usage?

An apartment is designed to maximize space usage efficiently, reflecting a compact and functional living environment. Apartments typically include essential living spaces in a smaller footprint than standalone houses. This space efficiency can be particularly appealing in urban settings where land is limited and housing demand is high. In addition to their compact nature, apartments often feature shared amenities and communal areas to enhance living experiences while minimizing the per-unit space needed for each occupant.

In contrast, colonial and Victorian houses tend to have larger square footage and more traditional, sprawling layouts. These styles prioritize distinct rooms and architectural detailing, which can lead to less efficient use of space. An executive mansion, being a large and often luxurious dwelling, emphasizes grandeur and extensive living space rather than compactness. Therefore, the characteristics of an apartment align closely with the idea of efficiency and compact design compared to the other dwelling types listed.