Comparables tell you what land has sold for; an appraisal tells you what it is worth to your scheme. When each answer should win, and why they differ.
There are two honest ways to put a price on development land and they routinely disagree. The comparable approach looks at what similar plots have transacted for. The residual appraisal works back from what your scheme can earn. Neither is wrong, but they answer different questions, and an owner who does not know which one is driving a negotiation is negotiating blind.
Comparable valuation at a glance
The plot is priced by reference to recent transactions of similar land in the same area, adjusted for size, frontage, shape, services and date. It reflects what the market has actually paid and it is the basis an accredited valuer will normally lead with, particularly for lending purposes. Its strength is evidence, and its weakness is that it tells you about other buyers rather than about your project.
Residual development appraisal at a glance
The plot is priced by taking the value of the finished scheme and deducting construction, fees, finance, selling costs and the required profit. What remains is what the land can be worth to that scheme. Its strength is that it is specific to your product, cost base and return requirement. Its weakness is that it depends on assumptions, and small changes in them move the answer sharply.
What it measures
Comparable valuation: What buyers in this market have paid for land like this recently.
Residual development appraisal: What this land can be worth to a defined scheme earning a defined return.
Main input
Comparable valuation: Transaction evidence, adjusted for differences between the comparables and the subject.
Residual development appraisal: Revenue, cost, programme and profit assumptions for the specific development.
Reliability in a thin market
Comparable valuation: Falls away quickly, because adjustments grow larger than the evidence supports.
Residual development appraisal: Holds up better, provided the revenue and cost assumptions are independently sourced.
Sensitivity to assumptions
Comparable valuation: Lower, since the figures are observed rather than forecast.
Residual development appraisal: High, because land is the residual and absorbs every error in the other lines.
Who relies on it
Comparable valuation: Lenders, valuers, courts and anyone needing a market reference point.
Residual development appraisal: Developers, investment committees and partners deciding whether to proceed.
What it cannot tell you
Comparable valuation: Whether your particular scheme makes money at that price.
Residual development appraisal: Whether the market would ever pay that much, or that little, for the plot.
Typical failure mode
Comparable valuation: Comparables that are not actually comparable, or evidence from a different market phase.
Residual development appraisal: Optimistic sale rates or a forgotten cost line producing an unaffordable bid.
When comparable valuation wins
- Lending, where a financier needs a defensible market figure rather than your business plan.
- Districts with frequent transactions of genuinely similar plots.
- A quick screen of whether an asking price is inside the normal range.
- Disputes and settlements, where market evidence carries more weight than a projection.
- Land held as an asset rather than as the input to a specific scheme.
When residual development appraisal wins
- Deciding your maximum bid on a plot you intend to develop yourself.
- Comparing two plots that permit different schemes and cannot be compared directly.
- Testing whether a scheme survives a fall in sale prices or a rise in build cost.
- Negotiating with evidence, because you can show which assumption breaks the deal.
- Markets or products where comparable land transactions are thin or unrepresentative.
How to decide
Use both, in a fixed order. Start with comparables to know the range the market is in, then build the residual appraisal to know your own ceiling. If your residual is above the comparable range, ask what you know that other buyers do not, because the usual answer is that your assumptions are too kind. If your residual is well below the range, either the plot suits a scheme you have not modelled, or the market is pricing land above what development supports and you should let someone else buy it.
Ask an accredited valuer for the comparable evidence and the adjustments made, not just the conclusion, so you can see how similar the comparables really are. Build the appraisal yourself or through your development manager, with the revenue rates sourced separately from the valuer or from live letting and sale evidence. Keep both documents in the file with their dates, because six months later you will need to know which market you were looking at.
Domira designs, builds and manages projects across Saudi Arabia for owners who are based abroad: land appraisal, feasibility, design, construction, handover and asset management under one accountable contract. Send us the plot or the brief and Domira will put the numbers in front of you before you commit.
Frequently Asked Questions
Why does my valuer give a different land value from my own appraisal?
Usually because the valuer is reporting what the market has paid for comparable plots while your appraisal reports what the land is worth to your scheme at your required profit. Both can be correct at once. The difference tells you whether the market is pricing land ahead of what development economics support, which is useful information rather than an error.
Do Saudi lenders accept a residual appraisal for land?
Lending practice varies by institution and by facility, and a financier will normally want a valuation from an accredited valuer as its reference point, with your appraisal treated as supporting information about the project. Ask the lender early what basis and what form of report it requires, because commissioning the wrong report costs time you cannot recover.
How many comparable land sales do I need for a reliable view?
There is no fixed number, and quality matters far more than quantity. A handful of recent transactions of genuinely similar plots in the same district beats a long list needing heavy adjustment for size, use, frontage or date. Ask the valuer to show the adjustments, because a comparable that has been adjusted heavily is really an opinion.
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