HOW ACCURATE ARE ONLINE PROPERTY VALUATIONS? (2024)

There are countless websites in Australia that offer online property value estimates.

These can be incredibly useful at the start of the processbut the question remains: how accurate are these tools, and can you rely on them to inform your sale price, or offer amount?

Emotion, impulse and other complex human factors play a huge part in property purchases.

THE PROS AND CONS OF ONLINE PROPERTY VALUATIONS

Alistair Helm, who has acted as CEO of more than one of these platforms, recently wrote an article in the National Business Review that looked at the accuracy of the five market leaders in online property valuation.

He conducted a brief and non-scientific review of each tool and found that they were fairly accurate, most of the time. Over his sample size of 12 properties, each tool estimated values with a margin of error under 10 per cent. Despite that fact, these platforms almost always underestimated each property’s value.

For properties in more expensive addresses, such as Sydney’s North Shore, estimates were out by as much as 19 per cent. This tells us that the complex algorithms that property valuation sites use, don’t take into account the way humans think and feel.

When buyers see an attractive property, in an enviable address, with that special x-factor, they may pay more than what the numbers and trends say they should. Emotion, impulse and other complex human factors play a huge part in property purchases after all, and they’re things that no algorithm can currently account for.

SELLERS: FIGURING OUT HOW MUCH YOUR HOME IS WORTH

When selling your property, you should use every tool that’s available to you, including online property valuations. They can be incredibly useful in the early stages of the process in order to get an idea of how much you can expect, but it’s important to be aware of their limitations.

Helm’s review of these platforms wasn’t comprehensive or scientific by any means, but it did reveal that these valuations tend to be low. That’s why if you’re selling property, you need help from an experienced real estate agent in your area – to draw upon their knowledge of the market and similar properties in order to come to an accurate valuation.

These real estate agents are able to draw on the same data that online platforms do, such as recent sales in the area, and past sale prices. They’re also able to understand the human element, and how buyers are likely to respond to your property.

BUYERS: DECIDING ON AN OFFER VALUE

Online valuations can also be useful for buyers. They’re a cheap and easy way of roughly estimating a property’s value, and discerning what an acceptable offer might be. Because they are so easily accessible and free to use, they’re ideal at the stage where buyers might be considering several properties.

You should always buy a valuation from a registered valuer.

However, again they shouldn’t be relied on alone. Speak to the agent who’s selling the property and ask for a price indication (keep in mind they mightn’t be able to provide one if it’s a deadline or auction sale). You should listen to their reasoning when they explain the property’s value.

Next, when you have your heart set on a property and you’re sure it’s the right one, it’s a good idea to buy a valuation from a registered valuer. This is the most accurate estimate of a property’s value available, and will most likely be required by your lender anyway.

EXPERT ADVICE FROM REAL PEOPLE

In the age of the internet, we want our information quick,convenient and cheap. That’s why online property valuations are great, however, property purchases and sales can be long and complex processes, and you may require expert assistance from a real human being.

To make sure you get your purchase or sale right the first time, speak to professionals who understand the ins and outs of the market – but also the people who buy and sell property. Get in touch with a local real estate agent today.

HOW ACCURATE ARE ONLINE PROPERTY VALUATIONS? (2024)

FAQs

How accurate are online home value estimates? ›

How accurate are online home value estimates? Results from even the best home value estimators can vary widely. Each tool uses its own algorithm, which takes specific data into account, but none are as accurate as an in-person assessment from a licensed home appraiser.

Can ChatGPT estimate home value? ›

One of the most exciting (and handy!) applications of ChatGPT in real estate is debugging real estate software, like loan origination systems, and creating algorithms for automated actions, e.g., generating comprehensive and accurate valuations for properties.

Which property value site is most accurate? ›

Zillow offers one of the most accurate estimators overall. Being one of the top real estate sites on the internet, Zillow has a very accurate estimator that has helped many people in their journey to sell their homes. Most people turn to Zillow for all of their real estate needs.

How accurate are Zillow home valuations? ›

The nationwide median error rate for the Zestimate for on-market homes is 2.4%, while the Zestimate for off-market homes has a median error rate of 7.49%. The Zestimate's accuracy depends on the availability of data in a home's area.

Why is Zillow Zestimate not accurate? ›

This means that it may not take into account certain factors, such as renovations or additions to a home, that could affect its value. Additionally, Zillow's algorithm may not be able to accurately account for variations in local markets, leading to differences in the Zestimate between homes in different areas.

Why is Zillow Zestimate inaccurate? ›

Figures are based on Zillow's proprietary Zestimate formula, which incorporates information from sources like comparable sales and public data. Zestimates are only as up to date as the data behind them, meaning they may be outdated or incorrect.

How are realtors using ChatGPT? ›

So far, one of the most common uses in real estate is prompting ChatGPT to produce a listing description for your listing. However, most agents are not using it properly. Instead, the tool requires that you put in detailed information about the property to be given a helpful listing description.

How do appraisers calculate home value? ›

What Does a Home Appraiser Look At? A property's appraisal value is influenced by recent sales of similar properties and by current market trends. The home's amenities, including the number of bedrooms and bathrooms, the floor plan's functionality, and the square footage are also key factors.

How do you find the estimated value of your home? ›

  1. Use online valuation tools.
  2. Use the FHFA House Price Index Calculator.
  3. Get a comparative market analysis.
  4. Hire a professional appraiser.
  5. Evaluate comparable properties.
Nov 15, 2023

What is the best way to value a property? ›

One of the most accurate ways to figure out the value of your home is by getting a home appraisal by a professional. Lenders will rely on a third-party home appraiser before approving a mortgage, but it's not a requirement for homeowners. However, using an appraiser is a good idea if you're preparing to sell your home.

Why are Redfin and Zillow estimates so different? ›

Redfin offers precise home valuations for properties within its local market areas. On the other hand, Zillow covers a broader range by including data from entire counties.

How accurate are Redfin values? ›

The Redfin Estimate is highly accurate, with a current median error rate of just 2.02% for homes that are for sale, and 6.29% for off market homes. This means that when a home that is currently on the market sells, the Redfin Estimate will be within 2.02% of the sales price half of the time.

What is the most accurate home value estimator? ›

The Best Home Value Estimator Sites
  • Best Overall. Zillow. See It.
  • Runner-Up. Redfin. See It.
  • Best for Selling. Realtor.com. See It.
Feb 22, 2024

Why does Zillow underestimate home values? ›

What Can Cause Errors in a Redfin or Zillow Home Value Estimate? A common reason for inaccurate estimates is outdated information. For example, if you have made major additions or renovations that don't show up in the data that Redfin or Zillow have collected on your home, then their estimates may be too low.

How accurate are Trulia home values? ›

That data is only shared with the Realtor community and tax entities. In some parts of the country, Trulia and Zillow are highly accurate — but those are areas with “open record” laws. In closed record states, Trulia and Zillow use tax appraisals for valuation. Again, in our market, the tax appraisals are inaccurate.

Is zestimate or Redfin more accurate? ›

Zillow: Redfin is more accurate when valuing homes. Both Zillow and Redfin give homes an approximate value, but the Zestimate provided by Zillow has proven slightly less accurate than Redfin's estimate. Final numbers depend significantly on the local market and demand for a property in your particular location.

How accurate is Redfin estimates? ›

The Redfin Estimate is highly accurate, with a current median error rate of just 2.02% for homes that are for sale, and 6.28% for off market homes. This means that when a home that is currently on the market sells, the Redfin Estimate will be within 2.02% of the sales price half of the time.

Is a Redfin estimate close to appraisal? ›

A Redfin estimate isn't as accurate or thorough as a professional appraisal.

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