Applicable Building Type(s)

New residential, Existing residential

Policy Requirement Level

Mandatory

Policy Sequence

Governance

Development Authority: Building and Housing Group - Ministry of Business, Innovation & Employment

Implementation Authority: Building and Housing Group - Ministry of Business, Innovation & Employment

Verification Authority: Designers / councils (Building Consent Authorities)

Enforcement Authority: Councils (Building Consent Authorities)

Prescriptive Compliance path

In relation to a building, the floor area means (expressed in square metres) of all interior spaces used for activities normally associated with domestic living.

Energy Requirements:

Insulation

Non-solid construction (with glazing <30% of total wall area)

R-Values (m2.K/W)

Floor

Roof

Walls

Climate zone 1

1.5

2.9

1.9

Climate zone 2

1.3

2.9

1.9

Climate zone 3

1.3

3.3

2

Solid timber construction (with glazing <30% of total wall area)

R-Values (m2.K/W)

Floor

Roof

Walls

Climate zone 1

1.3

3.5

0.8 - 1.3

Climate zone 2

1.3

3.5

0.9 - 1.4

Climate zone 3

1.3

3.5

1.1 - 1.6

Solid construction (excluding solid timber) (with glazing <30% of total wall area)

R-Values (m2.K/W)

Floor

Roof

Walls

Climate zone 1

1.3 - 1.5

3.5

0.8

Climate zone 2

1.3 - 1.5

3.5

0.9 - 1.0

Climate zone 3

1.3 - 1.5

3.5

1.0 - 1.2

 

Windows

 

R-Values (m2.K/W)

Non-solid construction (with glazing <30% of total wall area)

Solid timber construction (with glazing <30% of total wall area)

Solid construction (excluding solid timber) (with glazing <30% of total wall area)

Climate zone 1

0.26

0.26 - 0.31

0.26 - 0.31

Climate zone 2

0.26

0.26 - 0.31

0.26 - 0.31

Climate zone 3

0.26

0.26 - 0.31

0.26 - 0.31

  

Depends on compliance method - typically windows are R0.26

Skylights

 

R-Values (m2.K/W)

Non-solid construction (with glazing <30% of total wall area)

Solid timber construction (with glazing <30% of total wall area)

Solid construction (excluding solid timber) (with glazing <30% of total wall area)

Climate zone 1

0.26

0.26 - 0.31

0.26 - 0.31

Climate zone 2

0.26

0.26 - 0.31

0.31

Climate zone 3

0.31

0.31

0.31


1.2m
2 Max. total area unless using the modelled compliance path

Air Leakage

No ACH limits

Water Heating System

Minimum limits for for gas storage and continuous flow water heaters. Electric storage water heaters must comply with NZ MEPS. Water systems over 7000l capacity are not covered by the New Zealand Building Code

Renewable Energy

No requirements

End-uses considered:

Space cooling, Space heating, Water heating

Performance Compliance path

Energy Requirements:

Resources

Notes

Climate zones