ABCB Advisory Note on Reference Building Verification Method
The ABCB have produced an advisory note that clarifies the calculation methods, or energy analysis software that can be used as part of the NCC Volume Two reference building Verification Method, V220.127.116.11. This Verification Method can be used as part of a Performance Solution to assess the energy efficiency of houses. P2.6.1 in NCC Volume Two is the relevant Performance Requirement for this Performance Solution.
A copy can be found here.