This is a picture of a glass fronted office building surrounded by trees

Improving the energy efficiency of Australia's office buildings

We provide energy efficiency rating information to prospective purchasers and lessees of large commercial office space.

Read more about the CBD program

 Latest news & events

CBD Accredited Assessor Training June 2016 - Registrations OPEN

Event Date: 1 June 2016

Registrations are now open for the CBD Accredited Assessor Training Course.

ANZAC Day Public Holiday

Event Date: 25 April 2016

The CBD office will be closed for the ANZAC Day Public Holiday.

Easter Long Weekend

Event Date: 25 March 2016

The CBD office will be closed over the Easter long weekend.

NABERS & CBD Conference

Event Date: 27 April 2016

Registrations are now open for the NABERS & CBD Conference. It is a great opportunity for professional development, networking, launches, updates and more.

CBD public consultation closed

Event Date: 15 March 2016

CBD public consultation has now closed, any queries can be directed to

Did you know?

Over the life of the Commercial Building Disclosure Program:

  • 5044    Building Energy Efficiency Certificate (BEEC) have been issued

  • 1868    Unique building have been captured by the Commercial Building Disclosure Program

  • 1614    Unique building have received a BEEC

  • 250      Unique buildings have received an exemption

  • 4          Unique buildings have received an unsolicited offer exemption (since the legislative amendment was introduced on the 1 July 2015)

  • The average NABERS rating has increased from 2.9 stars in 2011/12 to 3.7 stars in the 2015/16 financial year

  • The average assessed Nominal Lighting Power Density (NLPD) per functional space (W/m2) has decreased from 14.15 W/m2 in 2011/12 financial year to 11.24 W/m2 in 2015/16

  • On average 135 assessors submit a BEEC each year

For more information see the statistics page

*note: data valid up until 31 March 2016