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Tenancy Lighting Assessment  

Do you need a Tenancy Lighting Assessment completed for your next project?

At Certified Energy we take pride in helping our clients and their projects reach their full potential. We ensure maximum savings and minimum energy use, allowing for cost effective yet sustainable solutions. If you are interested in a Tenancy Lighting Assessment, click the links below to get in touch!

What is a Tenancy Lighting Assessment?

The Tenancy Lightning Assessment (TLA) is one of the two components of the Building Energy Efficiency Certificate (BEEC) prescribed by the Commercial Building Disclosure (CBD) program. This program was developed by the Australian Government to improve the energy efficiency of commercial office buildings.

The TLA measures the power density of the general lighting system installed in the tenant office spaces of a building. The objective is to demonstrate the efficiency level of the installed lighting and/or suggested lighting systems.

 

The tenancy lighting assessment measures the power density of the installed general lighting system of affected buildings. It does this by working out the Nominal Lighting Power Density (NLPD) of the relevant functional space in the building as well as the capacity of installed lighting control systems. It may also include a performance comment if appropriate. The assessment covers installed lighting and, where relevant, also proposed lighting systems. It is based on a methodical survey of the general lighting system reasonably expected to be left in place after the tenant leaves and the tenancy fitout is removed.

 

What is a TLA and what does it cover?

The Tenancy Lightning Assessment is one of the two components of a Building Energy Efficiency Certificate (BEEC) prescribed by the Commercial Building Disclosure (CBD) program. This program was developed by the Australian Government in order to improve the energy efficiency of commercial office buildings.

The TLA measures the power density of the general lighting system installed in tenant office spaces of a building. The objective is to demonstrate the efficiency level of the installed lighting and/or suggested lighting systems.

How is a TLA determined?

The TLA is based on a methodical survey of the general lighting system expected to remain in the premises after the tenant leaves and the tenancy fit-out is removed.

To complete the assessment, assessors are required to visit and inspect the building.

The TLA consists of two main components:

  • An assessment of the Nominal Lighting Power Density (NLPD).
    The NLPD measures the power density of the installed general lighting system. It is calculated for each tenancy space and expressed in Watts per square meter (W/m2). The result is then graded from “excellent” to “very poor”. The lower the NLPD, the better the grade is.
  • An assessment of the Lighting Control System (where applicable).
    The capacity of the lighting control system is also assessed for each functional space. The result is graded from “good” to “poor”. 

The output, quality or suitability of the lighting are not taken into consideration by the assessment.

When would you require a TLA?

A TLA is required for large commercial office buildings.

This assessment must be completed when a commercial office space of 1000 square meters or more is being offered for sale or lease.

How much does a TLA cost?

The cost of a TLA varies depending of the type of project being assessed.

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What do I need to provide?

To obtain a TLA, the information you need to provide includes:

  • Luminaire details:
    • Lamp type
    • Nominal lamp power
    • Number of lamps per luminaire
    • Ballast type
    • Fitting
  • Lighting controls:
    • Manual switch
    • Timer
    • Occupancy sensors

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