H1/AS1 Schedule Method

H1/AS1 Schedule Method has been reproduced without amendment, as per H1/AS1 Fifth Edition Amendment 1.

2.1.2.1 The Schedule Method shall only be used where:

a) The glazing area is 30% or less of the total wall area; and

b) The combined glazing area on the east, south, and west-facing walls (refer to Appendix D) is 30% or less of the combined total area of these walls; and

c) The skylight area is no more than 1.5 m2 or 1.5% of the total roof area (whichever is greater);

d) The opaque door area is no more than 6 m2 or 6% of the total wall area (whichever is greater).

2.1.2.2 Building elements that are part of the thermal envelope shall have minimum construction R-values no less than those in:

a) For building elements that contain embedded heating systems, those in Table 2.1.2.2A; or

b) For building elements that do not contain embedded heating systems, those in Table 2.1.2.2B. i) Table 2.1.2.2B or

ii) alternatively, for housing only, for building consent applications submitted before 1 May 2023, those in Table 2.1.2.2C. 2.1.2.3 For building consent applications submitted before 2 November 2023, the minimum construction R-values for windows and doors in climate zones 1 and 2 are permitted to be reduced to R0.37 m²·K/W.

Table 2.1.2.2A: Minimum construction R-values for heated ceilings, walls or floors

Building element	Climate zone 1	Climate zone 2	Climate zone 3	Climate zone 4	Climate zone 5	Climate zone 6
Heated ceiling	R6.6	R6.6	R6.6	R6.6	R6.6	R6.6
Heated wall	R2.9	R2.9	R2.9	R2.9	R2.9	R2.9
Heated floor	R2.5	R2.5	R2.5	R2.8	R3.0	R3.0

Table 2.1.2.2B: Minimum construction R-values for building elements that do not contain embedded heating systems

Building element	Climate zone 1	Climate zone 2	Climate zone 3	Climate zone 4	Climate zone 5	Climate zone 6
Roof	R6.6	R6.6	R6.6	R6.6	R6.6	R6.6
Wall	R2.0	R2.0	R2.0	R2.0	R2.0	R2.0
Floor Slab-on-ground floors	R1.5	R1.5	R1.5	R1.5	R1.6	R1.7
Floors other than slab-on-ground	R2.5	R2.5	R2.5	R2.8	R3.0	R3.0
Windows and doors	R0.46(3)	R0.46(3)	R0.46	R0.46	R0.50	R0.50
Skylights	R0.46	R0.46	R0.54	R0.54	R0.62	R0.62

Table 2.1.2.2C: Alternative minimum construction R-values for building elements that do not contain embedded heating systems - for housing only where building consent applications are submitted before 1 May 2023.

Building element	Region A	Region B
Roof	R2.9	R3.3
Wall	R1.9	R2.0
Floor	R1.3	R1.3
Windows and doors	R0.37	R0.37
Skylights	R0.37	R0.37