Table 4: Summary of the forecasted environmental improvements in the vertical extension at enric granados 69.

Parameter	Reference building	Project building	Improvement
Heating demand (CTE HE1)	24,81 kWh/m2 yearly	10,93 kWh/m2 yearly	56%
Cooling demand (CTE HE1)	15,00 kWh/m2 yearly	2,33 kWh/m2 yearly	85%
Non-renewable primary energy (CTE HE0)	57,22 kWh/m2 yearly	25,30 kWh/m2 yearly	56%
Total CO2 emissions (Energy Certification)	19,30 kgCO2/m2 yearly	4,10 kgCO2/m2 yearly	79%
Category (Energy Certification)	D	A	79%
Global savings of impacts (Senda tool)	0%	62%	62%