Guides · Garage, storage room and terrace: how annexes are valued without double counting

Garage, storage room and terrace: how annexes are valued without double counting

An annex is valued once: it either enters as its own component (coefficient on the living sqm) or is already inside the comparable's price. Counting it in both places inflates the value.

How it works

How they appear in the Catastro; indicative coefficients by type; covered vs uncovered terrace; checking against the declared sum.