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Construction Price Increase Calculator

Calculate the future price of a construction project based on annual price increases in the building industry.

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๐Ÿ‡ฉ๐Ÿ‡ฐ All calculations are based on Danish rules, rates, and currency (DKK). This calculator is translated for convenience but applies exclusively to Denmark.

Calculate construction price increases

Prices in the construction industry are constantly rising, and it can make a big difference to your budget whether you build today or in a couple of years. This calculator helps you estimate what your project will cost in the future based on the expected annual price increase.

How do construction prices increase?

According to Statistics Denmark (Danmarks Statistik), the construction cost index has risen by an average of 3-6% annually in recent years. During periods of high inflation and material shortages, the increase can be even higher. Prices are affected by raw material prices, wage development, energy prices, and market demand.

When should you build?

Generally, it is cheapest to build as early as possible, as prices have historically only risen. However, there may be periods of overheating where it may pay to wait for normalization. Also consider that interest rates and financing costs play into the total price.

What affects construction prices?

  • Material prices (wood, steel, concrete, insulation)
  • Labor costs for craftsmen
  • Energy prices
  • Supply and demand in the industry
  • Legal requirements and building regulations

The calculator uses the compound interest principle, as price increases accumulate over time. A 5% increase per year does not mean 10% over two years, but 10.25% due to the compounding effect.

Frequently Asked Questions

How much do construction prices increase per year?

According to Statistics Denmark's construction cost index, the average annual increase has been 3-6% in recent years. In 2022, the increase was exceptionally high at over 10% due to global supply chain issues.

What is the compound interest effect on construction prices?

Price increases accumulate over time โ€“ a 5% annual increase does not give 25% over 5 years, but about 27.6% (1.05^5). The longer you wait, the larger the total increase becomes. That's why it's important to factor this effect into your budget.

Does the price increase apply equally to all types of construction?

No, the price increase varies between different construction types. New builds are typically more affected by material prices, while renovation is more affected by labor costs. Specialized work like bathrooms may have higher increases than simple extensions.

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