By Blake Lieschke – Director, Validated

The Short Answer: Yes

A non-natural death can significantly reduce a property’s market value, sometimes by 40% or more.

When we think about what drives property value, we usually think of location, land size, condition and comparable sales. But psychological factors can have just as strong an influence on buyer behaviour and market perception.

One of the most powerful of these is stigma, particularly where a home has been the site of a murder, suicide or other non-natural death. Stigma can reduce buyer demand, extend selling periods and create lasting reputational concerns for a property.

In Australia, stigma is a recognised market consideration, but its effect varies considerably from one property to the next. Here’s what drives that difference, and what it means for buyers and sellers.

What Is Property Stigma?

Property stigma is an adverse perception attached to a property that negatively affects its marketability or value, even though there is no physical defect. In the case of murder or suicide, the stigma is psychological rather than physical.

Examples of stigma can include:

• Murder or violent crime at the property
• Suicide or unexplained death within the dwelling or its external areas
• Drug activity (such as drug labs or dealing) or known criminal association
• Use as a former brothel
• A paranormal reputation or media notoriety

In valuation practice, stigma is generally categorised as intangible economic obsolescence, meaning the property may suffer reduced demand for reasons unrelated to its physical condition.

Does the Type of Death Matter?

Almost always, yes. The extent of stigma usually depends on the nature of the death and the level of publicity and public awareness surrounding it.

A peaceful death from natural causes rarely affects value in Australia. The sale of deceased estates following a natural death is widely accepted by the market.

A non-natural death, such as a murder or suicide, is different. It can create a psychological stigma that has a substantial and lasting impact on the land and improvements, depending on the circumstances.

Factors That Influence the Degree of Stigma

1. Severity and circumstances

A violent or traumatic event generally carries more stigma than a non-violent death. Multiple fatalities, domestic violence incidents and events involving children tend to intensify buyer resistance.

2. Media exposure

Properties linked to high-profile crimes often see the greatest impact on value. Extensive media coverage can create a lasting public association with the address. In some cases, online articles, podcasts or true crime programs continue to reference the property years later, making the stigma difficult to shake.

3. Time elapsed since the event

The impact of stigma typically lessens over time. As memories fade and ownership changes, market resistance may ease. However, some properties remain permanently associated with a notorious event.

4. Local market conditions

In strong markets with limited housing supply, stigma may have less effect because buyers have fewer alternatives. In weaker or oversupplied markets, buyers can afford to be more selective, which increases the discount needed to achieve a sale.

How the Market Typically Reacts

The impact of a non-natural death on value comes down largely to market perception. Some buyers won’t be concerned at all, while others will refuse to inspect or purchase the property under any circumstances.

The most common market reactions include:

• Reduced buyer engagement and competition
• Extended selling periods and higher holding costs
• Increased negotiation pressure from purchasers
• Reduced vendor leverage during negotiations
• Discounted sale prices compared with unaffected comparable properties

In practical terms, stigma shrinks the pool of willing buyers. By how much depends on the nature of the death, how extreme the circumstances were and how widely the event is known. When demand falls, market value may follow.

When a non-natural death is disclosed before formal offers are made, a portion of buyers will typically withdraw for personal or cultural reasons. Some buyers will usually remain, but they will generally seek a discount to compensate for the stigma, which stays attached to the property (it “runs with the land”). After all, the alternative for that buyer is to purchase a similar property at market value, without the stigma and without the obligation to disclose it when they eventually sell.

Investors tend to be less sensitive to stigma than owner-occupiers, as they won’t be living in the property and are focused mainly on rental yield and capital growth. Even so, they will still factor in the risk of the purchase and the impact of future disclosure on resale value.

How Much Can Value Be Affected?

There is no fixed percentage reduction that applies to every stigmatised property. In Australia, valuation evidence suggests the impact can range from negligible to substantial.

Minor or less-publicised incidents typically sit at the lower end of the range, while more severe or notorious cases sit at the upper end. In my experience, discounts can range from approximately 5% to 40% or more relative to comparable unaffected properties.

The key takeaway is that valuers don’t simply apply an arbitrary “stigma discount”. Any adjustment must be supported by market evidence, including:

• Comparable sales of similarly stigmatised properties
• Analysis of selling periods
• Buyer and agent feedback
• Market sentiment and levels of publicity

Because every case is unique, assessing stigma requires professional judgement, careful investigation and extensive valuation experience.

Disclosure Requirements in Western Australia

Disclosure laws relating to deaths at residential properties vary between Australian states and territories.

In Western Australia, there is no specific statutory requirement for sellers or agents to disclose that a death occurred at a property. However, failing to disclose a violent or non-natural death may be considered misleading or deceptive conduct under consumer law.

More importantly, there is sufficient case law to suggest a non-natural death would be considered a material fact that should be disclosed at sale. And if a potential purchaser asks directly, the agent or seller must answer truthfully. Failing to do so may expose them to litigation.

With so much information now available online and through social media, many stigma events become public knowledge regardless of disclosure obligations. In my experience, you’ll be very lucky to keep a non-natural death hidden. Neighbours are the ultimate gossips.

Final Thoughts

Many Australians are unwillingly affected by these tragic events, and their impact can be lasting.

Sellers: if you know about it, disclose it. Otherwise, you risk serious litigation from a purchaser who will almost certainly find out at some point down the track.

Buyers: if you’re comfortable accepting and living with the stigma, make sure your purchase price reflects a discount you feel is appropriate compared with a similar unaffected property. Even if the stigma doesn’t bother you personally, you’ll carry the same obligation to disclose when you sell, which may affect marketability and your future sale price.

Need clarity on a stigmatised property?

Validated provides independent, evidence-based property valuations across Western Australia. If you’re buying, selling or advising on a property affected by stigma, our experienced valuers can help you understand its true market value. Contact our team today.