Building cost index

Official Statistics of Finland (OSF)
Statistics
The building cost index describes relative changes in building costs and construction works of buildings of essentially similar properties using the price development of basic inputs used in building. Data are collected with an inquiry and from Statistics Finland’s various data and published monthly.

Correction

Errors have been detected in the data of the statistics on 20 February 2026. We will correct the information as soon as possible.
Read more about the correction

Change

The base year of the statistics on building cost index is updated from 2021 to 2025.
Read more about the change

Change

New database tables are published in the statistics on building cost index.
Read more about the change

Key figures

Annual change of the building cost index

1.5%
January 2026
Building cost index
Updated: 16/02/2026

Detailed tables of the statistics are available in the StatFin database

You can find updated tables in the StatFin database. Extract the data you need into tables, view the data as charts or download the data for your use.

Go to the database

The archive contains the database tables that we no longer update.

Go to archive

Releases

Building cost index 2026, January
Release
Building cost index 2025
Release
Building cost index 2025, December
Release
Building cost index 2025, November
Release
Building cost index 2025, October
Release

Future releases

Figures

See key statistical data in the figures.

Building cost index (2010=100) by cost item in 2010M01 to 2026M01

Sub-indices of the building cost index (2000=100) in 2000M01 to 2026M01

Tables

See key statistical data in the tables.

Building Cost Index 2025=100 by input heading

Building cost indices, total index by base year

Residential building

Documentation

Description of the production, used methods and quality of the statistics.

Go to documentation of the statistics

Referencing instructions

Official Statistics of Finland (OSF): Building cost index [online publication].
ISSN=1799-5841. Helsinki: Statistics Finland [Referenced: 23.2.2026].
Access method:

Statistical experts

Inquiries primarily

Veli Kettunen
Senior Statistician
029 551 3933

International comparison data

Veli Kettunen
Senior Statistician
029 551 3933