In real estate, the term Highest and Best Use (HBU) refers to the use of a property that creates the greatest value under current market conditions.
It does not simply mean constructing the largest building physically possible or choosing the most ambitious development concept. Instead, Highest and Best Use analysis identifies the most appropriate use after considering legal restrictions, physical conditions, market demand, financial returns, and an acceptable level of risk.
In simple terms, it answers the question:
“Among all realistic alternatives, what use of this property would create the greatest risk-adjusted value?”
The Four Tests of Highest and Best Use
A proposed use generally needs to pass four tests:
1. Legally Permissible
The use must comply with applicable laws and regulations, including zoning, land-use controls, building codes, environmental restrictions, height limits, floor-area ratio requirements, and other legal conditions.
A use that cannot legally be developed should not be considered a viable alternative unless there is a reasonable possibility of obtaining the required approval.
2. Physically Possible
The site must be physically capable of supporting the proposed development.
Factors may include the size and shape of the land, road access, topography, soil conditions, utility capacity, visibility, parking requirements, and surrounding infrastructure.
For example, a narrow plot may legally permit a condominium, but its shape and access limitations may make a hotel, serviced apartment, or low-rise development more practical.
3. Financially Feasible
The expected revenue must be sufficient to cover land costs, construction costs, operating expenses, financing costs, taxes, and an appropriate developer’s return.
A project may be both legally permissible and physically possible but still fail this test if market demand is too weak or development costs are too high.
4. Maximally Productive
Among all alternatives that pass the first three tests, the selected use should generate the highest value or the most attractive risk-adjusted return.
This is the defining feature of Highest and Best Use analysis: it does not evaluate only one development concept. It compares several realistic alternatives before identifying the most productive option.
Highest and Best Use vs. Feasibility Study
Although the two analyses are closely related, they answer different questions.
A feasibility study generally asks:
“Does this proposed project work?”
Highest and Best Use analysis asks:
“Which use works best among the available alternatives?”
There are three important differences.
1. Alternative Comparison vs. Individual Project Analysis
A traditional feasibility study usually evaluates a predefined project—for example, whether a proposed hotel, condominium, or warehouse is commercially and financially viable.
Highest and Best Use analysis begins one step earlier. It compares alternative uses of the same property, such as:
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Condominium
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Hotel
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Serviced apartment
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Office building
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Retail development
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Warehouse or logistics facility
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Mixed-use development
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Holding the land for future development
The objective is not only to confirm that one option is feasible, but to determine whether another option could produce a better outcome.
2. Market-Based Assumptions vs. Investor-Specific Assumptions
Highest and Best Use analysis should be grounded primarily in market evidence, including achievable selling prices, market rents, occupancy rates, absorption, construction costs, capitalization rates, and competing supply.
A feasibility study may also incorporate assumptions that are specific to the investor or developer, such as:
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The investor’s cost of capital
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Existing construction capability
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Available financing
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Required return
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Tax position
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Operational expertise
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Existing brand or business network
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Strategic objectives
Therefore, the same project may be feasible for one investor but not for another. Highest and Best Use, however, should first identify the property’s market-supported potential before considering a particular owner’s circumstances.
3. Maximum Value vs. Minimum Financial Viability
A feasibility study determines whether the expected return meets the investor’s financial criteria. The project may be considered feasible if it achieves the required IRR, NPV, payback period, or profit margin.
Highest and Best Use goes further. It identifies the alternative that creates the greatest property value or the strongest risk-adjusted financial outcome among the feasible options.
A project can therefore be financially feasible without being the Highest and Best Use.
Maximum Development Does Not Always Mean Maximum Value
One of the most common mistakes in property development is assuming that using the maximum legally permitted floor area will automatically create the maximum profit.
Consider a shopping mall that is legally and physically capable of being developed to eight floors. On paper, constructing all eight floors may appear to represent the full development potential of the land.
However, if customer traffic is concentrated on only the first three floors and retailers have little interest in leasing the upper levels, the remaining floors may produce low occupancy and weak rental income. At the same time, the developer must still bear their construction, financing, maintenance, security, utility, and operating costs.
In this case, an eight-storey mall may be the maximum buildable use, but not the Highest and Best Use.
A smaller retail component combined with a hotel, office, residential, healthcare, or entertainment use may create stronger demand, reduce vacancy risk, and generate greater overall value. Alternatively, developing only the market-supported floors and reserving the remaining development rights for a future phase may be more financially sensible.
The lesson is simple:
Unused capacity is not the same as untapped value.
Highest and Best Use Must Be Risk-Adjusted
The alternative with the highest projected revenue is not necessarily the best option.
For example, a luxury condominium may produce a higher theoretical profit than a rental apartment. However, it may also require a larger initial investment, depend on aggressive selling prices, face slower absorption, and carry greater exposure to market cycles.
A rental apartment may generate a lower headline profit but provide recurring income, more stable occupancy, phased investment, and greater flexibility.
The decision should therefore consider both return and risk, including:
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Market and absorption risk
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Construction and cost-overrun risk
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Financing and interest-rate risk
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Regulatory risk
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Operating risk
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Liquidity and exit risk
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Timing and development-phasing risk
The most appropriate alternative is the one that maximizes value at a level of risk the investor can reasonably accept and manage.
A Practical Example
Suppose an investor owns a well-located site near a new transit station. Four alternatives are considered:
| Alternative | Potential Return | Key Risk |
|---|---|---|
| Luxury condominium | High | Slow sales and intense competition |
| Serviced apartment | Moderate to high | Operational complexity |
| Office building | Moderate | Weak office demand and vacancy |
| Mixed-use development | High | Higher construction and management complexity |
A basic feasibility study might show that all four alternatives can generate a positive return. However, an HBU analysis would compare their market demand, development costs, timing, risk, and resulting land value.
If the mixed-use option produces the highest theoretical profit but requires aggressive assumptions and substantial capital, while the serviced-apartment option offers strong demand and stable risk-adjusted cash flow, the latter may be the more appropriate Highest and Best Use for that site and market cycle.
Highest and Best Use Can Change Over Time
Highest and Best Use is not permanent. It can change when market and surrounding conditions change, such as:
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New transport infrastructure
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Changes in zoning or planning regulations
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Shifts in demographics and consumer behavior
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New competing developments
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Changes in interest rates or construction costs
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Growth in tourism, healthcare, logistics, or other industries
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Changes in technology and working patterns
A property that is best used as a warehouse today may become suitable for a mixed-use project after the area is connected to a mass-transit network. In some situations, the Highest and Best Use may even be to continue the existing use or hold the land until the market can support redevelopment.
This is why HBU analysis should consider not only what to develop, but also when and how to develop it.
Final Thought
Highest and Best Use analysis is not about building the most, spending the most, or selecting the concept with the highest projected revenue.
It is about making a disciplined comparison of realistic alternatives and identifying the use that is legally permissible, physically possible, financially feasible, market-supported, and maximally productive at an appropriate level of risk.
For investors and property owners, the most important question is therefore not:
“How much can we build on this land?”
It is:
“What should we develop—or choose not to develop—to create the greatest sustainable value from this property?”
Credit: Dr.Niti Rattanaprichavej, Department of Real Estate Business by Thammasat University
