How to calculate the cost of building a house, m2 building, construction

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How to calculate the cost of building a house, calculate the price per square meter for residential and construction

1. Quantity takeoff

2. How to calculate the cost of building a house per square meter

Even if you are not a construction architect, you can still calculate your home construction costs as well as other construction costs if you are interested in the content in the article below.

Building a house is very important because it takes a lot of progress to build a house, if there is no reasonable way to calculate the cost of building a house, you may have to spend a much larger amount than the actual value.

The following guide will help you have the most reasonable way to calculate the cost of building a house, calculating the price of building a house or small projects per square meter

How to calculate the cost of building a house, calculate the price per square meter for residential and construction

1. Quantity takeoff

The first step in calculating the cost of building a house is to take off the quantity, create a detailed cost estimate. To build a house, the investor usually hires a design consulting unit to design a complete construction technical profile. Based on the design profile, the detailed quantity of the project is often called the estimate profile. The calculation results give us the following 3 calculation tables:

- Quantity estimation table: Is the table of accurate volume calculation of items from start to finish.

- Summary table of material costs: Is the table of calculating the area of building houses at level 4, 1-story or multi-story houses with the exact quantity at the market price of the types of materials used.

- Summary table of estimated costs: Is the table of calculating the cost of the material part.

With this method, the cost of building a house is the most accurate, meaning that whatever you do with your house will be charged for that. If done like that, it will avoid risks for both investors and contractors, this method when you make any changes in the design profile can also know immediately the incurred costs.

2. How to calculate the cost of building a house per square meter

calculating the cost of building a house per m2 is very important because it gives us a quick and easy-to-understand overview of the cost of building a house. To build a house consists of many different factors with hundreds of small details with many different types of materials, so you need to pay attention to these factors for the house to be built well.

Currently, the rough construction price in Hanoi area is about 2,600,000 to 3,200,000 VND /m²and depending on the area, location of the project and the cost of the complete construction varies from 4,000,000->8,000,000 VND/m2 according to the requirements and scale of the project.

Note: Prices are calculated based on the time of the article.

Currently, there are 2 popular ways to calculate the cost of building a house per m² (square meter) that readers can apply as follows.

Method 1:

- Foundation costs 30-50% of the ground floor area of the house at the rough construction price.
- The floor area including stairs, dog cages is calculated 100% of the house area at the complete construction price.
- The rooftop is calculated 30-50% of the house area at the complete construction price.

Example: A project with dimensions of 4m x 20m = 80 m² building 3 floors + 1 dog cage 40 m² at a complete construction price of 4,400,000 VND/m² and a rough construction price of 2,800,000 VND/m².

Note: The house includes 1 ground floor + 2 floors meaning it has 3 concrete floors with a height of each floor from 13.m-13.5m

- Strip foundation: 50% x 80m² x 2,800,000 = 112,000,000.
- Body of the house: 100% x 3 floors x 80m² x 4,400,000 = 1,056,000,000.
- Dog cage: 100% x 40m² x 4,400,000 = 176,000,000.
- Rooftop: 50% x 40m² x 4,400,000 = 88,000,000.

So the total cost to prepare for building a house is 1,432,000,000 (One billion four hundred thirty-two million dong).

Method 2:

- Strip foundation calculated 10-25% of the ground floor area of the house at the rough construction price.
- The floor area including stairs, dog cages is calculated 100% of the house area at the complete construction price.
- The rooftop is calculated 30-50% of the house area at the complete construction price.
- Concrete roof calculated 30-50% of the house area at the complete construction price.

Example: A project with dimensions of 4m x 20m = 80 m² building 3 floors, complete construction price 4,400,000 VND/m², rough construction price 2,800,000 VND/m².

The house includes 1 ground floor + 2 floors meaning it has 3 concrete floors with a height of each floor from 13.m-11.5m

- Strip foundation: 15% x 80m² x 2,800,000 = 33,600,000.
- Body of the house: 100% x 3 floors x 80m²x 4,400,000 = 1,056,000,000.
- Dog cage: 100% x 40m² x 4,400,000 = 176,000,000.
- Rooftop: 50% x 40m² x 4,400,000 = 88,000,000.
- Roof: 50% x 40m² x 4,400,000 = 88,000,000.

So the total cost to prepare for building a house is 1,441,600,000 VND (One billion four hundred forty-one million six hundred thousand dong)

Through the above 2 methods, you can see that the cost of building a house is not much different, but it depends on the conditions and the construction you want.

Above is the basic method of calculating the cost of building a house for those who want to update their knowledge of building houses as well as know how to calculate the construction of their future home.

Regarding the cost of building a house, perhaps for ordinary people it may be difficult to understand, but for technical people, construction workers, or architects, this task is quite simple. If you are a student studying in this field, the above article is also a reference document for you.

Nowadays, there are also many home design software programs available, these software programs provide quite detailed tools. If you know how to use these home design software programs and combine them with the knowledge above, it will help you understand more about how to build a house and how to calculate the cost of building a house.

Of course, these software programs only help you draw the layout of your house, nothing more. Besides drawing the house layout, you also need to calculate many other things.

Frequently Asked Questions

What are the key steps in calculating home construction costs?

To accurately calculate home construction costs, start with quantity takeoff, which involves creating a detailed cost estimate. Next, prepare three essential calculation tables: a quantity estimation table, a material cost summary table, and an estimated cost summary table. These steps ensure that you have a comprehensive understanding of the costs involved.

How can I calculate the cost of building a house per square meter?

Calculating the cost of building a house per square meter is essential for understanding overall expenses. You can apply two methods: the first estimates foundation costs at 30-50% of the ground floor area and includes full calculations for floors and rooftops. The second method calculates 10-25% for the foundation. Both methods will provide valuable insights into your construction budget.

What factors affect the cost of building a house?

Several factors affect the cost of building a house, including location, project scale, and material prices. For instance, the rough construction price in Hanoi ranges from 2,600,000 to 3,200,000 VND/m2, while complete construction prices vary based on the project's requirements and complexity.

Is using home design software beneficial for calculating construction costs?

Yes, using home design software can significantly enhance your ability to calculate construction costs. These programs provide detailed tools for drawing layouts and allow you to combine your design with the necessary calculations, improving your overall understanding of the building process.

How do construction professionals create a detailed cost estimate?

Construction professionals create a detailed cost estimate by hiring design consultants who develop comprehensive technical profiles. This process includes a thorough analysis of quantities and material costs, ensuring accuracy and minimizing potential overspending during the construction phase.

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