Why do we call it ‘single-storey house’? It’s a term that many people have heard, but not everyone knows it.

I'm sure we all have heard the term "nhà cấp 4" before, but do you actually understand what "cấp 4" means?

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In addition to high-rise buildings and modern apartments today, there is a type called “level 4 houses”, which is extremely familiar to Vietnamese people. From the 90s of the last century, being able to build a level 4 house was the dream of many people, but not everyone had the ability to do so.

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Basically, a level 4 house is simply understood as low-rise houses, with small area and only meeting some basic needs of residents. However, in reality, the concept of a level 4 house is much broader and the true meaning behind the name “level 4 house” is not well understood by everyone.

Why is it called a level 4 house?

According to explanations from specialized construction units, a level 4 house is a type of house built with low cost, sturdy structure, and good load-bearing capacity with brick or wood structure. The house may have brick walls or plant hedges. The roof of the house is usually tiled or covered with synthetic cement sheets or even simpler materials such as bamboo, thatch, wood, straw, grass… The maximum service life of a level 4 house is 30 years.

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In reality, the name level 4 house is just one type of house in the list of housing levels, clearly regulated by the state. In addition to level 4 houses, there are also level 1, level 2, level 3, and even level 5 houses. The numbers accompanying the level indicate the scale of construction, the level of construction, and the service life. Specifically, Joint Circular No. 7 – LB/TT Xay dung – Tai chinh – UBVGNN and the General Department of Land Management on September 30, 1991, guiding the classification of houses in Vietnam stated that houses are classified into 6 types: level 1, 2, 3, 4, 5, and villas.

Among them, villas are considered the highest level, followed by level 1 houses, and finally level 5, also known as temporary houses. Therefore, level 4 houses are above the level of temporary houses, and below level 1, level 2, and level 3 houses in terms of construction scale and infrastructure.

Level 4 houses are not lacking in aesthetics

As mentioned above, when it comes to level 4 houses, the first image that comes to mind for many users is a low-rise house, limited area, only meeting basic functions, and lacking aesthetics. However, this is a misconception.

Based on Official Letter No. 03/2016/TT-BXD of the Ministry of Construction dated March 10, 2016, which regulates the classification of construction works and guidelines for application in the management of construction investment activities, a level 4 house is defined as a construction work with a roof and walls used for living or other purposes. The criteria for classifying a level 4 house are that it has a total floor area of less than 1000m2, the number of floors does not exceed 1 floor, the height does not exceed 6m, and the maximum structural span does not exceed 15m.

Therefore, it can be seen that with a total area of not more than 1000m2, a single-story level 4 house can still become a living space that is both aesthetically pleasing and diverse in terms of functions for the owner. Currently, popular types of level 4 houses include tube houses, Thai-style houses, 3-compartment houses, or garden houses.

Before construction, the homeowner needs to determine the budget and the style they want to apply to the level 4 house. The house models that blend multiple architectural features such as Western, European, or Asian architecture can be used, as long as they comply with the regulations.

For small families, few people, limited land area, and limited budget, constructing a level 4 house is considered a more suitable and optimal option. For families with elderly people, children, or disabled people, having difficulty moving between floors, a level 4 house is also a solution to consider. Recognizing this, the trend of building level 4 houses is becoming increasingly popular and favored not only in rural areas and suburbs but also in urban areas.

Some beautiful level 4 house models nowadays

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