VURB assessment costs in Australia are generally determined project by project rather than through one standard flat fee. The final cost depends on the dwelling, modelling scope, design complexity, documentation quality, required iterations and reporting or approval coordination.
A reliable VURB quote should therefore be based on the actual project information and the compliance pathway being considered. Confirming that Verification Using a Reference Building is available and appropriate for the project is an important first step before the assessment fee is established.
In Brief
There is no single standard fee that applies to every VURB assessment. Pricing reflects the work required to review the project, establish the modelling scope, prepare the proposed and reference building models, resolve design information and produce the required technical evidence.
The most useful way to obtain an accurate cost is to provide the project location, current architectural drawings, glazing information, construction details, project stage and any comments from the relevant certifier, building surveyor or approval authority.
Confirm the Jurisdiction First
VURB availability depends on the NCC edition, building classification, state or territory variations and approval pathway applying to the project.
H6V2 Verification Using a Reference Building does not apply in New South Wales under the NSW variation to NCC 2022 Volume Two. NSW residential projects should instead be reviewed against the applicable BASIX, NSW NCC and approval requirements.
Pricing Structure
VURB is not a standard certificate that requires the same amount of work for every dwelling. The assessment compares a proposed residential design with a compliant reference building, so the modelling and reporting effort depends on the specific design being assessed.
Floor area can influence the fee, but it is rarely the only factor. A relatively compact dwelling may still require substantial assessment where it has complex geometry, extensive glazing, multiple orientations, unusual construction systems or incomplete design information.
Conversely, a larger dwelling with coordinated drawings, clearly defined construction details and a stable design may be easier to scope than a smaller project that is still changing. A project-specific quote allows the fee to reflect the actual modelling, documentation and coordination required.
Assessment Scope
The exact inclusions should be stated clearly in the fee proposal. Depending on the project and the agreed scope, a VURB assessment fee may include the following stages.
Review of the project location, building classification, applicable NCC context, available documentation and proposed compliance strategy.
Review of architectural drawings, glazing, shading, envelope build-ups, insulation and other relevant modelling inputs.
Preparation of the proposed dwelling model and the compliant reference building required for the comparative assessment.
Assessment of the proposed dwelling against the reference building in accordance with the applicable modelling and compliance requirements.
Clarification of missing information and coordination of relevant glazing, fabric, shading or documentation matters with the project team.
Preparation and quality review of the agreed technical report, assessment evidence and supporting compliance documentation.
Cost Factors
The assessment must first be considered against the NCC edition, state or territory provisions, building classification and approval requirements applying to the project. Pathway uncertainty can require additional preliminary review before the formal modelling scope is confirmed.
Larger dwellings, multiple storeys, extensive floor areas and a greater number of modelled spaces can increase the amount of model setup, checking and analysis required.
Split levels, complex roof forms, large internal volumes, unusual layouts, multiple dwelling components or non-standard envelope conditions can increase modelling and quality-assurance time.
Extensive glazing, numerous window types, multiple orientations and detailed external shading can require more inputs and closer coordination. Changes to glazing size, frame performance, glass specifications or shading during the assessment can also create additional modelling iterations.
Clear and coordinated plans allow the assessment to proceed with fewer assumptions and design queries. Missing glazing information, unresolved construction build-ups or inconsistencies between plans, elevations and schedules can add review and coordination time.
The number of design revisions included in the scope can materially affect the fee. Additional reporting requirements, coordination meetings, approval comments or an accelerated delivery program may also need to be considered when the quote is prepared.
Quote Preparation
An early fee proposal does not always require fully completed construction documentation. However, the quote will be more reliable when the assessor can see enough information to understand the dwelling, the likely modelling effort and the compliance context.
Concept plans may be sufficient for an initial pathway and budget review. A formal assessment fee may need to be refined once the construction systems, glazing, shading and documentation scope become clearer.
Pathway Comparison
There is no universal cost comparison that applies to every project. NatHERS, Deemed-to-Satisfy and VURB use different assessment structures and produce different forms of compliance evidence.
Where a dwelling can follow a standard NatHERS or DTS pathway directly, that pathway may require less specialised comparative modelling. VURB generally involves additional work to define and assess both the proposed and reference buildings, but it may be worth investigating where the standard pathway does not suit the design or compliance strategy.
The most cost-effective approach is not automatically the assessment with the lowest initial fee. It is the pathway that is legally available, technically appropriate and proportionate to the dwelling. For a detailed pathway comparison, see VURB vs DTS: When Does a Reference Building Pathway Make Sense?
Cost Control
Early review can help prevent a project from progressing under a pathway that is unavailable, unnecessarily complex or poorly suited to the design. This is particularly important where the dwelling has extensive glazing, unusual geometry, non-standard construction systems or unresolved approval requirements.
It can also help establish what information is needed before modelling begins, which design decisions are likely to affect the assessment and how many iterations should reasonably be included in the fee proposal.
Frequently Asked Questions
There is no universal average fee that reliably applies to every residential project. VURB assessment cost depends on the dwelling, modelling scope, documentation, design complexity, required iterations and reporting requirements.
Concept drawings may be sufficient for an initial pathway and budget review where they clearly show the dwelling form, orientation, elevations, glazing and likely construction systems. A formal scope may need to be confirmed once more detailed information is available.
The fee may need to be reviewed where the agreed scope changes substantially. This can include major changes to floor plans, geometry, glazing, shading, construction systems, assessment inputs, delivery timing or the number of design iterations required.
This depends on the agreed proposal. Assessment, reporting, design coordination and additional modelling iterations should be identified separately so the project team understands what is included and what may require additional scope.
No. H6V2 Verification Using a Reference Building does not apply under the NSW variation to NCC 2022 Volume Two. NSW residential projects should be reviewed against the applicable BASIX, NSW NCC and approval requirements.
No. This guide relates to residential Verification Using a Reference Building. Commercial reference-building assessments sit within a different NCC compliance framework and should be scoped separately.
Related Knowledge
Knowledge Hub
Understand the residential reference-building method, project suitability and assessment process.
Pathway Comparison
Compare direct residential DTS compliance with a reference-building Performance Solution pathway.
Project Preparation
Review the plans, schedules and construction information commonly needed to scope an assessment.
Residential Pathway and Fee Review
Send the project location, current plans, elevations, sections, glazing information, construction details and approval requirements. Certified Energy can review whether VURB appears available and appropriate before confirming the assessment scope and fee.
Send Your Project for ReviewLast reviewed: June 2026. This article forms part of the Certified Energy Residential Compliance Knowledge Hub.