Blog
Predicted Mean Vote (PMV)
What does PMV mean and how is it used in Commercial Building Energy Efficiency compliance?
Clear Section J Reports: Why Accuracy Is Not Enough
A good Section J or J1V3 report must be accurate, traceable and easy to action. It should identify the assessment method, documents reviewed, relevant assumptions, compliance outcome and requirements that must be reflected in the design and construction.
Do I really need a JV3 assessment?
A J1V3 request does not mean modelling is the right first step. Review the design against Section J DTS, identify any genuine conflict, and choose the pathway that protects your project outcome.J1V3 is most useful when the team can point to a specific Section J DTS...
NCC 2025 Commercial Energy Efficiency
NCC 2025 Volume One Preview Draft signals major commercial energy efficiency changes by rewriting Section J Performance Requirements to explicitly include operational greenhouse gas emissions and introducing “near zero operational greenhouse gas emissions” language. While adoption dates are as yet unknown, design teams should expect tighter Section J outcomes, earlier coordination requirements, and renewables becoming a practical necessity.
5 Things to know about NCC 2022 Section J for Commercial Buildings
With the recent release of the NCC 2022 Energy Efficiency requirements, here’s 5 things you should know that may help with your building design.
What is a Section J Report?
An NCC Section J Report provides information on whether a building design complies with the requirements of the National Construction Code (NCC) Section J.
How are additions/alterations to Class 1 buildings assessed for Energy Efficiency in Queensland?
New homes are mostly assessed in Queensland via the NatHERS Star Rating method, or via the Deemed to Satisfy – Elemental Provisions (DTS) method
NCC 2022 UPDATED ADOPTION TIMETABLE
The provisions for these three areas will broadly come into effect on 1 October 2023. However, each of the States and Territories have their own adoption timeline when it comes to these
NCC 2022 Residential Changes
The release of NCC 2022 brings major changes to Energy Efficiency. What do you need to know for your projects? 1. 7 Star Minimum The new minimum house rating required for new homes is 7 Stars (out of 10). Previously it was 6 Stars, so this is a significant...


