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Commercial Building Disclosure
Responsible agency
Department of the Environment and Energy

Disclosure of Commercial Office Building Energy Efficiency is part of a broad package of measures designed to improve building energy efficiency, delivered under the Council of Australian Governments' National Energy Productivity Plan.


A substantial part of Australia's employment and economic activity is centered around construction and occupation of commercial buildings such as offices, shops, restaurants, industrial buildings, schools and hospitals. The commercial building sector is responsible for around 10 per cent of Australia's total greenhouse gas emissions and this figure is rising. Improving building energy efficiency is one of the quickest and most cost-effective ways to reduce greenhouse gas emissions and help mitigate climate change.

Commercial Building Disclosure (CBD) is a national program designed to improve the energy efficiency of Australia's large office buildings. Most building owners, who wish to sell or lease commercial office space of 1000 square metres or more are required to obtain and disclose a current Building Energy Efficiency Certificate (BEEC).  This must be publicly accessible on the online Building Energy Efficiency Register, see - certain exceptions and exemptions ( may apply.

Disclosing energy efficiency provides everyone with access to consistent and meaningful information about the building's performance. This makes it easier for companies to buy or rent more energy efficient office space.

An informed market rewards better performing buildings. It creates a strong market-based incentive for owners to improve their properties with cost-effective energy efficient upgrades that are attractive to buyers and tenants and increase return on investment.

The Program requires most sellers and lessors of office space of more than 1000 square metres therein to obtain a Building Energy Efficiency Certificate (BEEC) before the building goes on the market for sale, lease or sublease.

BEECs are valid for up to 12 months and include:
▪the building's National Australian Built Environment Rating System (NABERS) Energy for offices star rating
▪a tenancy lighting assessment of the relevant area of the building

For more information contact our office on 1800 020 131 and or see

Date updated
28/06/2017 19:11:32