Construction Costliness Index of Serang City, Banten Reaches 93.01 Points in 2025

The Construction Costliness Index (IKK) of Serang City, Banten reached 93.01 points in 2025.

This figure decreased by 2.03 points compared to last year and increased by 0.13 points in the last five years.

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

The higher the IKK figure in a regency/city, the higher the construction prices for a building in that area.

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Based on this definition, Serang City's IKK of 93.01 points indicates that construction prices for buildings in the area are equivalent to 0.93 times the construction prices in Surabaya City.

Compared to 8 other regencies/cities in Banten, Serang City's IKK ranks 5th lowest.

The highest IKK is in Pandeglang Regency (83.53 points), while the lowest is in South Tangerang City (103.29 points).

Here is a list of IKK in 8 regencies/cities in Banten Province in 2025.

1. Pandeglang Regency: 83.53 points
2. Lebak Regency: 86.99 points
3. Cilegon City: 90.32 points
4. Serang Regency: 91.31 points
5. Serang City: 93.01 points
6. Tangerang Regency: 94.75 points
7. Tangerang City: 97.89 points
8. South Tangerang City: 103.29 points

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