Updated 28 October 2026
What Property Buyers Need to Know About the Contract for Sale #13: How do I check for heritage restrictions?
How do I check a property for heritage restrictions in NSW?
Check the property’s planning certificate, the applicable Local Environmental Plan and heritage maps, and the State Heritage Inventory before buying. Confirm State listing or interim protection through the appropriate heritage certificate. Then have a lawyer and, where needed, a heritage consultant assess how the controls affect your intended use.
Search the address and lot details in the NSW Planning Portal Spatial Viewer. Check individual heritage items and conservation-area boundaries.
Read the applicable Local Environmental Plan’s heritage provisions, usually clause 5.10 and Schedule 5, together with the council’s Development Control Plan.
Search the State Heritage Inventory for listing details, significance statements, mapped boundaries and any available conservation documents.
Ask your lawyer to review the contract, certificates and any inconsistencies. Put your renovation plans in writing so the advice addresses the work you actually intend.
Can an unlisted house still be affected by heritage controls?
Yes. A house can be subject to heritage controls because it sits within a heritage conservation area, even if it is not individually listed. Development near a heritage item can also require assessment of heritage impacts. The property’s address appearing nowhere in a simple search does not settle the issue.
Local listings arise under planning instruments. State Heritage Register listings and interim heritage orders involve the Heritage Act 1977. More than one layer can apply to the same property.
Check the whole mapped site, including gardens, outbuildings and setting. Heritage significance may extend beyond the front façade. Conservation-area controls commonly address streetscape, scale, materials and external alterations. National or World Heritage status should prompt additional specialist checks.
What do planning and heritage certificates tell a purchaser?
A section 10.7 planning certificate identifies prescribed planning information affecting the land. A section 167 heritage certificate confirms relevant State heritage status for legal purposes. These documents serve different functions. Neither guarantees approval for proposed renovations, establishes that every existing alteration is lawful, or replaces checking the applicable planning controls.
A section 10.7(2) certificate is generally a prescribed attachment to a NSW land-sale contract. A combined section 10.7(2) and (5) certificate provides additional information held by council. Check its date and whether relevant proposals or controls have changed.
Heritage NSW recommends a section 167 certificate to confirm State Heritage Register or interim heritage order status for conveyancing. Local listings still require council checks. A title search alone is insufficient because planning restrictions are not all recorded on title.
Can I renovate or extend a heritage-listed property?
Heritage listing does not automatically prohibit renovation or extension. It requires proposed changes to be assessed against the property’s significance and applicable controls. A sympathetic design may be acceptable, but demolition, substantial alteration or removal of significant features can face serious obstacles. Obtain advice on the specific proposal before committing.
A heritage architect or consultant can identify important fabric, review a conservation management plan and prepare a statement of heritage impact where required. Discuss intended kitchens, bathrooms, rear additions, solar panels and accessibility changes rather than asking only whether renovation is allowed.
Pre-application advice from council can identify concerns, but it is not development consent. An agent’s description of the property as having development potential does not establish an approval pathway.
Do minor repairs or internal works need approval?
Some minor works can proceed without a full approval application, but the relevant exemption must actually cover the work. Local heritage controls and State heritage controls operate separately. Internal work can affect protected fabric, and describing demolition or replacement as maintenance does not make it exempt from the applicable requirements.
For local heritage items, check whether prior written council confirmation is required under the relevant LEP. For State-listed items or interim heritage orders, examine current standard and site-specific exemptions and their conditions.
If no Heritage Act exemption applies, a section 60 works application may be needed. Council development consent or other approvals may also be required. Obtain advice before stripping plaster, removing joinery or starting excavation, and retain the assessment and approval records.
Can archaeology or Aboriginal heritage affect land without a listed building?
Yes. Heritage obligations can arise from archaeological relics, Aboriginal objects or declared Aboriginal Places even where no house is individually heritage listed. Excavation for a pool, basement or new foundations may need specialist assessment. A clear building-listing search does not establish that the land is free of these separate protections.
Where historical relics may be disturbed on land outside the State Heritage Register, investigate the section 139(4) exception or section 140 excavation-permit pathway as appropriate.
Aboriginal heritage is protected separately under the National Parks and Wildlife Act 1974. Due diligence, consultation and an Aboriginal heritage impact permit may be relevant. An empty Aboriginal Heritage Information Management System search does not prove that objects are absent.
What condition and ownership costs should I investigate?
Assess the building’s condition alongside its heritage status before deciding what you can afford. Specialist repairs, suitable materials, professional reports and approval requirements can affect the budget. State-listed items also attract minimum maintenance obligations. Heritage status does not establish a standard renovation cost or guarantee that the property will lose value.
Arrange a building and pest inspection by a suitably qualified inspector familiar with older buildings. Ask about damp, termites, roof condition, movement and previous alterations. The inspection addresses condition; it does not certify planning approval.
Obtain realistic repair estimates and insurance terms before exchange. Check maintenance obligations, outstanding orders and any conservation management plan. State heritage standards address matters including weather protection, fire protection, security and essential repairs. They should not be confused with a universal requirement to restore every feature to its original appearance.
What happened when a purchaser removed significant heritage interiors?
The Adams decision shows that heritage controls can protect interiors as well as street appearance. It also demonstrates why owners must check each approval requirement separately. Relying on a Heritage Act exemption does not automatically remove the need for council development consent, and the exemption’s conditions must actually be satisfied.
In Council of the City of Sydney v Adams [2015] NSWLEC 206, the purchaser of a Millers Point terrace removed significant internal plaster and timber elements without development consent. A conservation management plan attached to his purchase contract explained the heritage significance and approval requirements.
He mistakenly relied on a repairs exemption. The Court found that it did not dispense with council consent and that the work did not satisfy the exemption anyway. Following a guilty plea, he was convicted, fined $60,000 and ordered to pay $35,000 in prosecution costs.
This was a prosecution for unauthorised work, not a dispute about cancelling the purchase.
What should my lawyer check before I sign the contract?
Your lawyer should review the contract disclosures against the heritage searches, identify restrictions relevant to your plans and investigate missing documents or inconsistent information. Any necessary protection should be negotiated before exchange. Discovering a restriction later does not automatically create a right to cancel the contract or recover your deposit.
- Request existing consents, approved plans, relevant completion certificates and any conservation management plan.
- Ask about outstanding orders, enforcement correspondence and apparently unapproved work.
- Check proposed heritage changes and interim protection, rather than relying only on an older certificate.
- Discuss any condition needed to investigate feasibility or obtain an approval essential to the purchase.
Allow enough time for specialist advice before bidding at auction, where there is generally no cooling-off period. A lawyer should assess any disclosure problem and the available remedies promptly.
Who should review my heritage checks before I proceed?
Have a property lawyer review the legal position and a heritage professional assess the proposed work where heritage issues arise. A building inspector should separately assess physical condition. These checks complement each other and should inform the purchase decision, funding and renovation budget before you become committed to the transaction.
CM Lawyers can review your property purchase contract, explain the documents and identify matters requiring planning or heritage advice. Contact our team before signing or bidding, with the contract and a clear description of your intended changes.
General information about NSW property and heritage law. Always have the checks and proposed transaction reviewed by a lawyer, with specialist heritage advice where needed.
Key resources
NSW Planning Portal Spatial Viewer and State Heritage Inventory — search planning overlays and heritage listing records.
Heritage NSW guidance on listings — listing levels, responsible authorities and State-status checks.
Section 10.7 planning certificates and section 167 heritage certificates — different searches used in conveyancing.
State heritage standard exemptions — conditions for work that does not require Heritage Act approval.
City of Sydney guidance on minor heritage works — local consent exemptions and prior written confirmation.
Historical archaeology and Aboriginal heritage protections — separate requirements affecting excavation and other activities.
Minimum maintenance and repair standards — obligations for State Heritage Register items.
Council of the City of Sydney v Adams [2015] NSWLEC 206 — penalties for unauthorised work to significant heritage interiors.
CM Lawyers — Property contract reviews and fees — Have the contract reviewed before you sign or bid.
