energy

Energy Rating

e-struct energy & sustainability can provide expertise and knowledge in achieving 6 Star compliance. Whether it is for a new home, apartments or commercial offices, we provide you with specifications that you can use for construction - not just compliance.

The following is a description of the type of energy rating required for most types of developments:

● New Homes, Unit Developments & Apartments (Class 1,2, & 4):

6 star energy rating required using Firstrate5 energy modelling Program or Building Code of Australia, Vol. 2, Sec 3.12.

● Home Additions: (Class 1,2, & 4):

Building Code of Australia, Vol. 2, Sec 3.12 compliance is required for energy modelling.

● Commercial Developments (Class 3,5-9):

Building Code of Australia, Vol. 1, Sec J compliance is required for energy modelling for air-conditioned spaces.

Building alteration work including extensions less than (the lesser of) 1000m2 or 25% of existing floor area

Building alteration work that exceeds the 50% volume rule (including the re-erection of an existing building)

Building alteration work that is an extension of floor area greater than the lesser of 25% of floor area of the existing building or 1,000 m2

Compliance required

Type of Work

Entire building to comply

Building Surveyor discretion

(discretion applies to compliance of both the alteration work and the remainder of the building)

Table B – Regulation 608 application to alterations and additions

^ If the alteration includes an extension that exceeds the size described in the row below, the discretion only applies to the requirement to bring the remainder of the building into compliance.

* Subject to the alteration not triggering the 50% rule.

(Extract from Building Commission of Victoria Practice Notes 2008-55 Appendix)

The following table illustrates the requirements for energy rating extensions and additions to (Class 1,2, & 4) structures:

How Energy Rating may apply to you

Memberships