Applicable Building Type(s)

Existing residential, New residential, New non-residential, Existing non-residential

Policy Requirement Level

Mandatory

Policy Sequence

Governance

Development Authority: Norwegian Building Authority, Ministry of Local Government and Modernisation

Implementation Authority: Local Authorities

Verification Authority: Local Authorities

Enforcement Authority: Local Authorities

Prescriptive Compliance path

Heated usable floor area

Energy Requirements:

Insulation

U-Values (W/m2.K)WallsFloorRoof
Minimum requirements

≤ 0.22

≤ 0.18 ≤ 0.18
Basic/standard requirements

≤ 0.18

≤ 0.15 ≤ 0.12

Windows

U-Values (W/m2.K)Windows
Minimum requirements ≤ 1.6
Basic/standard requirements ≤ 1.2

The total sun factor for glass/windows (gt) shall be less than 0.15 on façades that catch the sun (not applicable for small houses). 

Proportion of window and door areas ≤ 20% of heated usable floor space.

The U-value for the glass/windows/doors including the frames shall be less than 0.24 when multiplied by the proportion of the window and door areas of the buildings heated usable floor area (not applicable for small houses).  

Air Leakage

Small houses and leisure homes with more than 150 m2 of heated usable floor space

2.5 l/(s.m2) at 50 Pa

Space Heating System

Specific Fan Power (kW/m3/s)Specific fan power
All climate zones 2.5

Renewable Energy

Buildings > 500m2 shall be designed and constructed so that a minimum of 60% of the net energy need for space and water heating may be met by energy supply other than direct acting electricity or fossil fuels.

For buildings < 500m2 the requirement is a a mimimum of 40 % other than direct acting electricity or fossil fuels.

Compliance Softwares:

Various software can be used if in line with national calculation methods

End-uses considered:

Appliances, Space heating, Water heating, Lighting interior, Ventilation

Performance Compliance path

Small houses and leisure homes with more than 150 m2 of heated usable floor space

120 kWh/m2/year + 1600 kWh/m2 of heated usable floor area

  

Block of flats

115 kWh/m2/year 

Energy Requirements:

Resources

Notes

Climate zones