Construction Costliness Index of Boyolali Regency, Central Java 2025

The Construction Costliness Index (IKK) for Boyolali Regency, Central Java, reached 99.67 points in 2025.

This figure decreased by 1.18 points compared to the previous year and increased by 8.85 points over the last five years.

Citing the Central Statistics Agency (BPS) publication on Provincial and Regency/City IKK 2025, IKK is a price index that illustrates the level of construction costliness in a regency/city compared to prices in the reference city, Surabaya.

The higher the IKK in a regency/city, the higher the construction cost of a building in that area.

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Based on this definition, Boyolali Regency's IKK of 99.67 points indicates that the construction cost of buildings in the area is equivalent to 0.997 times the construction cost in Surabaya City.

Compared to 35 other regencies/cities in Central Java, Boyolali Regency's IKK ranks 13th lowest.

The highest IKK is in Kebumen Regency (96.9 points), while the lowest is in Semarang Regency (105.94 points).

Here is a list of the 5 regencies/cities with the lowest IKK in Central Java in 2025.

1. Kebumen Regency: 96.9 points
2. Purworejo Regency: 97.13 points
3. Wonogiri Regency: 97.29 points
4. Magelang City: 97.38 points
5. Magelang Regency: 98.13 points

List of 5 regencies/cities with the highest IKK in Central Java in 2025.

1. Semarang Regency: 105.94 points
2. Semarang City: 105.47 points
3. Demak Regency: 104.52 points
4. Salatiga City: 103.0 points
5. Tegal City: 102.93 points

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