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Historic Heritage Guide

Heritage Overlays and Heritage Impact Statements in Victoria

Victoria's historic heritage system imposes legal obligations on landowners, developers, and project proponents that can significantly affect how properties are used, developed, and approved. Whether your property is affected by a local Heritage Overlay, listed on the Victorian Heritage Register, or subject to both systems simultaneously, understanding your obligations early is essential to avoiding costly delays and permit refusals.


This guide covers:

  • How Victoria's two heritage systems work — local Heritage Overlays and state heritage under Heritage Victoria
  • When a Heritage Impact Statement (HIS) is required and what triggers the obligation
  • What a Heritage Impact Statement must contain to satisfy Heritage Victoria and council heritage advisors
  • How the HIS is assessed against the Planning and Environment Act 1987, the Heritage Act 2017, and the Burra Charter
  • Common mistakes in Heritage Impact Statements and how to avoid them
  • When to engage a Heritage Advisor and why early engagement matters


Strata Heritage prepares Heritage Impact Statements and provides Heritage Overlay advice across Gippsland, Melbourne, and regional Victoria. Contact us for a free preliminary discussion about your project.


This guide is provided for general information purposes only and does not constitute legal or heritage advice. Heritage permit requirements are site-specific and project-specific. 

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If you would like to discuss your heritage project, please contact us on our web form or by phone 0429 339 923

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Victoria's Two Heritage Systems

Victoria has two separate heritage approval systems.  One system manages local heritage through councils and planning permits. The other manages places of state significance through Heritage Victoria.


A Heritage Impact Statement can play an important role in both systems.

 Local heritage is managed through Victoria’s planning system under the Planning and Environment Act 1987.


The main planning control used to protect local heritage is called the Heritage Overlay. This overlay is applied by local councils to places that have cultural or historical significance through Clause 43.01 of a council's planning scheme.

 

A Heritage Overlay may apply to:

  • an individually significant building or place
  • a heritage streetscape or precinct
  • land near a World Heritage listed place


Across Victoria, thousands of properties are affected by Heritage Overlays.


What does a Heritage Overlay Mean?

 If a property is affected by a Heritage Overlay, a planning permit may be required before certain works can occur.

This can include:

  • demolition of a building or structure
  • subdivision of land
  • external alterations or additions
  • construction of a new building
  • changes to fences or outbuildings
  • removal of significant trees

The exact requirements depend on the individual overlay and the local planning scheme.


Who Assesses the Application?

 The local council is usually the decision-maker for Heritage Overlay applications.

Council heritage advisors assess proposals against:

  • the Statement of Significance for the place
  • heritage design guidelines
  • local and state planning policies

A Heritage Impact Statement is often required to explain how the proposed works will affect the heritage significance of the property or precinct.


Places of state-level heritage significance are protected under a separate system established by the Heritage Act 2017.


This system is managed by Heritage Victoria.


The Heritage Act 2017 establishes the Victorian Heritage Register (VHR), which includes places and objects considered important to the State of Victoria as a whole.


This system is separate from local council Heritage Overlays.


 A property can be:

  • covered by a local Heritage Overlay,
  • included on the Victorian Heritage Register,
  • or both.


What Happens if a Place is on the Victorian Heritage Register?

 

Places included on the Victorian Heritage Register receive statutory protection under the Heritage Act 2017.

This means approval is required before works can occur, including:

  • demolition
  • alterations
  • excavation
  • relocation
  • removal of significant fabric

Approval is managed through a permit process administered by Heritage Victoria.



Some heritage places are protected under both systems at the same time.

In these situations:

  • a planning permit may still be required from the local council, and
  • a separate heritage permit may also be required from Heritage Victoria.

Both approval processes must usually be completed before works can begin.


A Heritage Impact Statement is a key document in both heritage systems and its mandatory for Heritage Victoria permit applications.


It helps decision-makers understand:

  • the heritage significance of a place
  • how proposed works may affect that significance
  • whether the proposal is appropriate
  • what measures may reduce heritage impacts

For many planning permit and heritage permit applications, a well-prepared Heritage Impact Statement is essential to achieving approval.


What is a Heritage Impact Statement?

Heritage Impact Statement (HIS)

A Heritage Impact Statement (HIS) is a professionally prepared document that assesses the impact of proposed works, development, or change on the cultural heritage values of a heritage place or object. It is the primary evidence document through which an applicant demonstrates to a decision-maker — the local council, Heritage Victoria, or the Heritage Council of Victoria — that proposed works have been thoughtfully designed to respect, and where possible enhance, the heritage significance of the place.


Heritage Victoria has published formal Guidelines for Preparing Heritage Impact Statements, setting out its expectations for the content and quality of an HIS submitted with a permit application under the Heritage Act 2017. While no equivalent statutory guidelines exist for Heritage Overlay applications under the Planning and Environment Act 1987, a well-prepared HIS following the Heritage Victoria guidelines is the accepted standard for local heritage planning permit applications and is increasingly expected by council heritage advisors in complex or contested cases.


It is Heritage Victoria policy that all Heritage Impact Statements must state clearly whether the proposed activity is likely to affect the cultural heritage significance of a place or object, and must include specific information on how that impact has been managed, mitigated, or avoided.


Vague, generalised statements about heritage impact are explicitly discouraged. The HIS must include a detailed, evidence-based analysis of the impacts of the proposal on the cultural heritage values identified in the Statement of Significance or Conservation Management Plan for the place.

When is a Heritage Impact Statement Required?

Under the Heritage Overlay (Planning and Environment Act 1987)

A Heritage Impact Statement is required or strongly expected whenever a planning permit application is made for works affecting a Heritage Overlay property. This includes applications for:

  • Demolition, partial demolition, or removal of a heritage building or structure
  • External alterations or additions to a heritage building
  • New construction on a Heritage Overlay allotment or within a heritage precinct
  • Subdivision of land in a Heritage Overlay
  • Removal of significant trees subject to tree controls
  • Any works that may affect the heritage significance of the place as identified in its Statement of Significance


The Heritage Overlay Schedule for a given municipality may specify that an HIS must accompany any permit application. Even where this is not explicitly required, council heritage advisors expect an HIS as standard practice for any application involving substantive changes to a heritage place. An application submitted without an HIS will typically be assessed as incomplete and may result in delay or refusal.


Where Heritage Design Guidelines exist for a specific precinct or place, the HIS should address them directly. These guidelines set out design principles for matters such as height, setback, scale, and materials for new additions or infill development within a heritage precinct, and demonstrating compliance — or reasoned departure — is an important component of a well-prepared application. 


Under the Heritage Act 2017 (Victorian Heritage Register)

A Heritage Impact Statement is a mandatory component of every permit application submitted to Heritage Victoria for works affecting a place or object on the Victorian Heritage Register. If a required HIS is not provided, the statutory clock on the application stops until the information is received — meaning the assessment period does not run and the application cannot be determined.


The level of detail required is proportionate to the scale and complexity of the proposed works. A simple maintenance or repair application requires a shorter, more focused HIS than a major alteration, addition, or partial demolition of a state-significant heritage place. Architectural drawings and other technical documentation must accompany the HIS in sufficient detail for Heritage Victoria to assess the impact.


Where an owner seeks review of a Heritage Victoria permit decision — whether a refusal or conditions considered unduly restrictive — the Heritage Council of Victoria conducts a fresh merits review of the application. The HIS serves as the central heritage evidence document in that review process. Heritage Council decisions can ultimately be referred to VCAT by the Minister for Planning. 

For Permit Exemption Applications

Where an applicant believes proposed works are exempt under Section 92 of the Heritage Act 2017 — for example, routine maintenance or repair — a simplified HIS may be used to support the exemption application. In these cases, the HIS can draw on an existing Statement of Significance or Conservation Management Plan to confirm the proposed works will not harm the cultural heritage significance of the place. 

What must a Heritage Impact Statement contain?

 The content requirements of a Heritage Impact Statement vary with the complexity and scale of the proposal, but a thorough HIS prepared to Heritage Victoria's guidelines will address the following six elements. 

The starting point for any HIS is a clear understanding of what makes the place significant. This requires:

  • Identification of the heritage place or object, including its VHR registration number for state-listed places or Heritage Overlay identifier for locally listed places
  • Reference to the Statement of Significance — the formal document that identifies what is important about the place, why it is important, and how it meets the relevant heritage criteria
  • Where a Conservation Management Plan (CMP) has been prepared, reference to its policies and how the proposed works accord with those policies
  • Identification of the contributory elements of the place — the specific physical fabric, spaces, settings, and associations that contribute to its cultural heritage significance


The HIS must clearly describe what is proposed — not in abstract terms, but with specific reference to the building elements, materials, spaces, and settings that will be affected. Proposed works must be cross-referenced to the architectural drawings and other technical documentation accompanying the application. 


This is the substantive section of the Heritage Impact Statement and the section on which Heritage Victoria and council heritage advisors will focus most closely. 


It must assess, element by element:

  • The nature and extent of the impact of the proposed works on the cultural heritage significance of the place — including impacts on fabric, setting, use, associations, and meaning
  • Whether the impact is reversible or irreversible — reversible changes that preserve the capacity to return the place to its current state are generally more acceptable than irreversible alterations or demolition of significant fabric
  • How the proposed design responds to the Statement of Significance — specifically, how it avoids, mitigates, or manages harm to the values identified as significant
  • Compliance with the Burra Charter — the Australia ICOMOS Charter for Places of Cultural Significance 2013 is the recognised professional standard for conservation practice in Australia and the benchmark against which Heritage Victoria assesses all permit applications. Its guiding principle — do as much as necessary to care for a place and make it useable, but otherwise change it as little as possible — should underpin the design approach and be explicitly reflected in the HIS
  • Heritage Victoria's Guiding Principles for Changes Proposed to Places in the Victorian Heritage Register, which advocate a cautious, evidence-based approach to change that retains significant fabric and avoids harm wherever possible


For Heritage Victoria permit applications, the HIS should expressly address the mandatory considerations set out in Section 101(2) of the Heritage Act 2017, which Heritage Victoria must consider in determining the application:

  • s101(2)(a) — The extent to which the application would affect the cultural heritage significance of the registered place or object. This is the primary consideration and the central focus of the HIS.
  • s101(2)(b) — The extent to which approval would affect the reasonable or economic use of the place — relevant where refusal would effectively prevent any beneficial use.
  • s101(2)(c) — Any submissions received from the public during the advertising period.
  • s101(2)(d) — Where the applicant is a public authority, the extent to which refusal would unreasonably affect its ability to perform a statutory duty. Applies only where the applicant is a public authority as defined in the Act.
  • s101(2)(e) — The effect of the proposal on world heritage values or any approved World Heritage Strategy Plan — relevant only where the place is within a World Heritage Environs Area.
  • s101(2)(f) — Any matters relating to the protection and conservation of the registered place or object, including conservation issues, deferred maintenance, or specific protection requirements.


Under Section 101(3), Heritage Victoria also has discretion to consider other matters, including impacts on adjacent or neighbouring heritage places. The HIS should address any nearby heritage places that may be affected by the proposed works.


Where the proposed works will cause some degree of harm to heritage significance, the HIS must propose specific, practical mitigation and management measures. Vague commitments to "respecting heritage" are not sufficient. Measures may include:

  • Retention of specific elements of significant fabric that would otherwise be at risk
  • Use of sympathetic materials, finishes, or construction methods that minimise harm to significant fabric
  • Photographic and measured archival recording of elements to be removed, in accordance with Heritage Victoria's archival recording guidelines
  • Permit conditions specifying the standard of workmanship required
  • Monitoring and archaeological supervision requirements for works involving ground disturbance in areas of potential historical archaeological sensitivity


The HIS must conclude with a clear statement of whether, in the professional opinion of the author, the proposed works will or will not adversely affect the cultural heritage significance of the place or object. It should summarise the net impact of the proposal — taking into account the mitigation measures proposed — and make a clear, unambiguous recommendation as to the appropriate heritage response.


A weak or hedged conclusion undermines an otherwise strong HIS. Decision-makers expect a definitive professional opinion, not a qualified non-answer.


Common Mistakes in Heritage Impact Statements

1. Using vague, generalised language

2. Failing to engage with the Statement of Significance

2. Failing to engage with the Statement of Significance

 Heritage Victoria explicitly warns against "motherhood statements" about heritage impact. Phrases like "the proposed works will respect the heritage significance of the place" or "the new addition will be sympathetic to the existing building" are meaningless without specific evidence. The impact assessment must be detailed, place-specific, and evidence-based. 

2. Failing to engage with the Statement of Significance

2. Failing to engage with the Statement of Significance

2. Failing to engage with the Statement of Significance

 Every Heritage Overlay place and every Victorian Heritage Register-listed place has a Statement of Significance that identifies what is important about it and why. An HIS that does not engage specifically with the values, elements, and criteria identified in the Statement of Significance will be treated as inadequate. The significance assessment must drive the impact assessment. 

3. Ignoring the Burra Charter

2. Failing to engage with the Statement of Significance

4. Describing works rather than assessing impact

 The Burra Charter is the professional standard for heritage conservation in Australia and Heritage Victoria assesses all applications against it. An HIS that does not address the Burra Charter's principles — particularly the minimal intervention principle and the requirement to understand significance before making decisions about change — will be assessed as lacking professional rigour. 

4. Describing works rather than assessing impact

4. Describing works rather than assessing impact

4. Describing works rather than assessing impact

 Many inadequate HIS documents describe what is proposed in detail but fail to assess the impact of those works on heritage significance. Description and assessment are not the same thing. The HIS must evaluate what effect the proposed works will have on the fabric, setting, use, and associations that contribute to the significance of the place. 

5. Not commissioning the HIS early enough

4. Describing works rather than assessing impact

5. Not commissioning the HIS early enough

 An HIS should inform the design process, not document it after the fact. The most effective heritage permit applications are those where a Heritage Advisor has been involved from the earliest stages of design development — shaping the proposal to respond to heritage significance before the design is finalised. An HIS prepared to justify a completed design that has not engaged with heritage significance is far less persuasive than one that demonstrates how heritage values have driven and informed the design response. 

Why engage a Heritage Advisor?

A Heritage Impact Statement must be prepared by a person with appropriate qualifications and experience in heritage assessment and conservation. Heritage Victoria's guidelines note that heritage assessment and decision-making can be complicated and that owners and developers are likely to need expert assistance in preparing required documentation.


An experienced heritage consultant brings:

  • A thorough understanding of the Statement of Significance and how it applies to the specific works proposed
  • Familiarity with Heritage Victoria's Guiding Principles, the Burra Charter, and the heritage design guidelines applicable to the place
  • Experience in framing the heritage argument in a way that addresses the mandatory considerations under Section 101 of the Heritage Act 2017 and the policy framework of the Planning and Environment Act 1987
  • An understanding of what Heritage Victoria and council heritage advisors are looking for — and how to pre-empt requests for further information that would stop the statutory clock


For complex or sensitive applications, pre-application meetings with Heritage Victoria are available and strongly recommended. Heritage Victoria staff can provide early guidance on the level of documentation expected and whether a proposed design approach is likely to be supported — before significant resources are committed to detailed design and documentation.


Need historic heritage advice for your project?

 Strata Heritage provides Heritage Impact Statements, Heritage Overlay advice, and Heritage Victoria permit support across Gippsland, Melbourne, and regional Victoria. Contact us for a free preliminary discussion about your project. 

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Strata Heritage would like to acknowledge the Gunaikurnai People as the Traditional Owners of the land on which Strata Heritage is based.  

We pay respect to Elders past, present, and future and recognise their continuing connection to the land, water, air and sky, acknowledging that sovereignty was never ceded.


Email: enquiries@strataheritage.com.au

Phone: 0429 339 923
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