Have you ever had a commercial property valuation done and wondered, “How did they come up with that number?”

The truth is, there’s no single formula. Professional valuers use different methods depending on your property type and what the valuation is for.

That’s why two properties can be valued in completely different ways, even if they look similar. And it’s worth understanding how this works.

Australia’s commercial property market expected to grow at around 8.6% annually from 2025 to 2034 (Claight, 2024). Knowing how these valuation methods work can give you a real advantage when planning your next move.

Let’s explore the best commercial property valuation methods and when to use each one.

Best Commercial Property Valuation Methods

Valuing commercial property involves different approaches depending on the type of property you’re considering.

If you’re buying, selling, or assessing a commercial property, these real estate valuation approaches can help you make informed investment decisions. Because the way a property is valued can directly affect how much it’s worth.

Whether it’s an office building, a warehouse, or a shopping centre, different valuation methods work best depending on the property type and purpose.

Let’s break down the common commercial property valuation methods and when to apply them.

1. The Income Approach: Best for rental/investment properties

Commercial properties are expected to generate income. So it makes sense that one of the most commonly used commercial valuation methods is the Income (Capitalisation) Approach.

This method looks at how much income a property can produce and uses that to estimate its value.

When is this method used?

It’s often used for income-generating properties like:

• Office buildings
• Retail shops and shopping centres
• Industrial properties and warehouses
• Commercial investment properties

Here’s how to value commercial property using the income approach:

Property Value = Net Operating Income (NOI) ÷ Capitalisation Rate

• Net Operating Income (NOI) = Rental Income – Operating Expenses
• Capitalisation Rate = NOI ÷ Purchase Price

For example:

If you have a commercial building that generates $50,000 in annual rental income and has $10,000 in operating expenses, its NOI is $40,000.

Net Operating Income (NOI) = $50,000 – $10,000

NOI = $40,000

If similar properties in the area have been sold with the income calculated at say a 5% yield (capitalisation rate), the property value would be: $40,000 ÷ 5% = $800,000.

Property value = $40,000 ÷ 5%

Property value = $800,000

If you own or manage a rental property, the income approach provides a clear picture of its value based on future earnings potential. Generally, higher rental income and lower operating costs result in a higher property valuation. 

This method works for properties with stable income because a property’s value is tied to it. That means the stronger and more stable the income is, the more valuable the property is likely to be.

2. Direct Comparison Approach: Best for market-based valuations

Also known as the Comparable Sales Approach, this method works by comparing your property to the recent sales of similar commercial or industrial properties in the same area.

It takes into account factors such as:

• Location
• Size and condition
• Market trends
• Zoning regulations

When is this method used?

It’s commonly used for:

• Properties with active market sales data
• Commercial or industrial assets with similar nearby transactions
• Situations which needs a current market snapshot

To identify a property’s value using this approach, property valuers typically apply the following formula:

Property Value = (Adopted Price per Square Metre) x (Lettable Area)

Put simply, this approach answers, “What are similar properties selling for right now?”

If there are many recent comparable sales in your area, this method gives you a highly reliable valuation for general commercial properties.

3. Cost Approach: Best for new or unique properties

When a property is brand new or quite unique there may not be enough sales data to compare it with. That’s where the Cost Approach becomes essential. This method looks at how much it would cost to replace or rebuild the property from scratch, minus depreciation.

When is this method used?

It’s ideal for:

• New or unique developments
• Custom-built industrial properties
• Specialised facilities without comparable sales
• Other properties with little to no comparable sales data

It involves identifying the cost of land, construction, improvements, and other costs related to the property. These are all added up then deducts depreciation after to account for property’s age and condition.

Property Value = Land Value + (Construction Cost + Improvements – Depreciation)

4. Hypothetical Development Approach: Best for redevelopment projects or properties

When a property has redevelopment potential, the Hypothetical Development Approach helps to realise its highest and best use.

When is this method used?

This commercial valuation is ideal for:

• Vacant land with future development approval or potential
• Commercial sites with approved development plans

Using the Residual Land Value (RLV) formula, you can determine the value of land based on its potential for development. This method helps investors and developers assess whether a project is financially feasible. Compared to other valuation methods, this method is more subjective as it relies on projections.

Residual Land Value (RLV) = Net Realisation Value (NRV) – Developer’s Profit

How it works:

• First, estimate the final selling price of the completed development.
• Next, subtract all the costs involved like construction, agents and legal fees, holding and finance costs and more.
• Finally, deduct the developer’s expected profit and risk margin to determine the estimated land value.

This approach is commonly used for larger-scale commercial and industrial property valuations, especially when assessing land with future development potential.

Final Thoughts

Choosing the right commercial property valuation method depends on your property type, income potential, and current market conditions. For instance, if you’re valuing a rental property, the Income Approach is your best option. While for new or unique properties, the Cost Approach is the way to go.

At Independent Property Valuations (IPV), we have over 70 years of combined experience in commercial and industrial property valuations across Greater Sydney and New South Wales. Our expert property valuers provide accurate, independent valuations to help you determine your property’s best use and maximise your commercial real estate returns.

Are you looking for an expert industrial or commercial property valuation?

Contact us today for a detailed and customised assessment that’s tailored to your unique property needs.