Field help: (2023) Total living space

Indicate here the total living space of the object.

Example: You own a block of flats with 4 residential units, each with 110 sqm of living space. You live in one flat yourself. In this case, you enter 440 square metres as the total living space and 110 square metres as the owner-occupied living space. In this example, 25% of the expenses for the energy-efficient renovation can be claimed for tax purposes.