Calle Portillo, 27

🧬 Distinguishing features

Calle Portillo, 27. An energy certificate from 2021 is on record: rating E. The heating demand it records is 154.6 kWh/m² a year. No neighbour with a certificate beats it. Of its perimeter, 42% is wall shared with the houses next door.

Its year of construction predates NBE-CT-79, the 1979 Spanish standard on the thermal performance of buildings. The façade is oriented to the north. Other buildings close off much of the view from the top floor.