Production price refers to the total price of a dwelling project, that is, the sum of building costs, land costs, VAT, and any profit or loss of the building project. The production price refers to the selling price and corresponds to the previous term ‘production cost of the project’. Deductions for any subsidies have not been made.

Collectively built one- or two-dwelling buildings refers to buildings intended for sale or rental as rental or tenant-owned dwellings.

Useful floor space in dwellings (with certain limitations) refers to space above ground in a dwelling. Useful floor space is limited by the finished inside walls that enclose each dwelling, and includes kitchen cupboards, wardrobes and similar.

Non-residential floor space in dwellings refers to leasable spaces for offices, shops and similar.

Useful floor space refers to the sum of useful floor space in dwellings and non-residential floor space.

The Building Price Index (BPI) is a suitable tool for measuring price development that eliminates differences in quality, design and location as far as possible.