According to the National Statistics Institute (INE), "the number of buildings intended for housing is 3,573,416 and that of accommodation is 5,981,482, values which, compared to 2011, represent an increase of 0.8% and 1.7%, respectively".

INE notes that "the growth of the housing stock between 2011 and 2021 is significantly lower than in the previous decade when values ​​were around 12% for buildings and 16% for accommodation".

At a regional level, INE highlights the Lisbon Metropolitan Area as "the region with the highest percentage of habitual residences (79.6%)", while "the Algarve region, with 38.6%, stands out as the region with the highest weight of second homes"

With regard to vacant housing, the Alentejo region has the highest percentage (16.5%), as opposed to the northern region of the country, which had the lowest relative weight of vacant housing (10.3%).

Rental properties

The INE analysis also shows that the number of rented accommodation has increased by 16% in the last 10 years.

"Although the vast majority of habitual residences are owner-occupied (70.0%), rental-occupied accommodations saw their importance reinforced by 2.4 percentage points compared to 2011 and now represent 22.3% of the total occupied accommodation", details the statistical institute.

By NUTS II, the Center has the highest percentage of owner-occupied dwellings (77.3%), along with the lowest proportion of rented dwellings (15.8%).

In turn, the Lisbon Metropolitan Area "stands out for being the territory where the lease regime has the greatest expression, with 29.2% of the dwellings occupied by tenants".