Opaalstraat 221 2332TA Leiden
(March 31, 2026)
General Information
Registration Date: March 31, 2026
Survey Date: March 31, 2026
Valid Until: March 31, 2036
Certificate Holder: Stichting Portaal
Survey Type: Basisopname
Status: Bestaand
Calculation Type: NTA 8800:2024 (basisopname woningbouw)
Based on reference building: -
SBI Code: -
Project Name: -
Project Object: -
Building Information
Building Type: Appartement
Building Subtype: Tussenmidden
Building Class: W
Construction Year: 1968
Thermal Zone Area: 66.45 m2
Compactness: 1.79
Energy Performance
Energy Class: F
Energy Index: -
Energy Need: 169.54 kWh/mĀ².yr (EP1)
Primary Fossil Energy: 355.51 kWh/mĀ².yr (EP2)
Renewable Energy Share: 0.0 % (EP3)
Temperature Exceedance: 1.99
Heat Demand: 158.22 kWh/mĀ².yr
Energy Index (EMG Forfaitair): -
Primary Fossil Energy (EMG Forfaitair): None
Renewable Energy Share (EMG Forfaitair): -%
Energy Need Requirement: - kWh/mĀ².yr (BENG1)
Primary Fossil Energy Requirement: - kWh/mĀ².yr (BENG2)
Renewable Energy Share Requirement: - % (BENG3)
Temperature Exceedance Requirement: -
Calculated CO2 Emission: 67.83
Calculated Energy Consumption: 355.50
Location Information
BAG Object ID: 0546010000050789
Building Detail Description: -