
Calculate property IRR with original SAR examples, distinguish IRR from XIRR and NPV, and test timing, repairs, exit assumptions and multiple solutions.
Compare Saudi property cash flows over time with an original SAR example, clear NPV calculations and checks for discount rates, repairs and exit assumptions.

Discounted cash flow helps a Saudi property reader compare money paid today with cash expected in later years. It places each future amount on the same present-value basis, then subtracts the initial outlay to calculate net present value, or NPV. The useful question is whether a proposal still meets the chosen comparison standard after accounting for when cash arrives. A positive total of future receipts alone cannot answer that question.
This article explains the method through an original five-year example in Saudi riyals. Every price, cash flow, sale assumption and discount rate in the example is invented for teaching. None is a market estimate, available property, financing offer or expected return for Riyadh or another Saudi city. The method adds a time dimension to our rental yield guide.
Start with the payment at the beginning, labelled year zero. Then show the cash that would actually be available at each later date. For a property example, distinguish rent received from amounts spent on operating the asset. Include the expected cash effect of vacancy, management, maintenance and any other costs relevant to the case. A rent figure copied from an advertisement is not a complete cash-flow forecast.
The municipal Valuation Policy hosted in TAQEEM's library describes discounted cash flow as an income-approach method that converts a series of future cash flows into present value. It also explains that realistic income estimates and an appropriate discount rate are key inputs. We use that municipal document as a reference for the method, not as a statement of obligations applying to every private purchase.
Keep the investment viewpoint consistent. An asset model before financing and a model of the owner's equity after borrowing answer different questions. Do not insert some loan payments into an otherwise unfinanced example and compare the result with a fully funded alternative. Write down which viewpoint you have chosen before entering numbers.

For an annual model with cash arriving at year end, divide that year's cash flow by one plus the annual discount rate, raised to the number of years. In plain notation: present value = cash flow / (1 + rate)^year. Add the present values and subtract the year-zero outlay. OpenStax's NPV explanation sets out this approach and shows why the selected rate affects the result.
The rate is a comparison assumption, not a promise that a property will earn that percentage. Our illustrative 6% is not a recommended Saudi property discount rate. For a real valuation, the basis of the rate and its fit with the cash flows need substantiation. Record who supplied it, its date and the reasoning behind it.
Timing assumptions also matter. The annual example below places receipts at year end to keep the arithmetic visible. For an actual proposal, use the agreed payment dates and a model suited to them. Our rental payment timing guide explains why an annual rent total can conceal a different monthly cash position.
Assume an all-in initial outlay of SAR 1,000,000 at year zero. The invented property produces SAR 50,000 of annual net operating cash for five years. Assume a sale at the end of year five delivers SAR 1,000,000 after all assumed disposal outflows. This simplified example includes no borrowing; the operating and sale amounts are already net of the costs assumed for this imaginary case. A real model would need those costs itemised and verified.
At an illustrative annual discount rate of 6%, the operating cash has these present values, rounded to the nearest riyal:
| Cash received at year end | Present value of SAR 50,000 |
|---|---|
| Year 1 | SAR 47,170 |
| Year 2 | SAR 44,500 |
| Year 3 | SAR 41,981 |
| Year 4 | SAR 39,605 |
| Year 5 | SAR 37,363 |
The year-five net sale amount has a present value of approximately SAR 747,258. Adding all six present values using unrounded calculations gives SAR 957,876. Subtracting the initial SAR 1,000,000 produces an NPV of approximately minus SAR 42,124. Summing the displayed rounded rows can differ slightly from calculating with full precision.
Without discounting, the example's future cash receipts total SAR 1,250,000. The difference from the initial outlay is SAR 250,000. That positive undiscounted difference and the negative NPV describe different comparisons. The negative NPV says the assumed cash stream falls short of the illustrative 6% comparison standard; it does not report a realised loss or predict what a real owner will receive.
Keep the same invented cash flows and change only the illustrative rate. The resulting NPVs, calculated before rounding, show how much the conclusion depends on that assumption:
| Illustrative annual rate | Five-year NPV in SAR |
|---|---|
| 4% | Approximately 44,518 |
| 6% | Approximately minus 42,124 |
| 8% | Approximately minus 119,781 |
Next, keep the 6% rate and add a hypothetical SAR 40,000 repair payment at the end of year three. Its present value is about SAR 33,585, reducing NPV to approximately minus SAR 75,708. This is an extra payment, not a second deduction of a repair already included in the annual net cash. Use our cash-flow and capital-repair guide to organise those categories before modelling.
The TAQEEM-hosted municipal Valuation Manual explains how DCF can represent changing future income and why cash-flow projections must be consistent with the model's discounting assumptions. For your own comparison, label a base case and separate stress cases. Change one input first to understand its effect, then examine a combined scenario where several things go wrong together.
In our example, the discounted sale amount represents much of the total present value. That makes the exit assumption a major part of the answer. Record the proposed sale date, gross price, disposal outflows and net proceeds separately. Then ask what evidence supports the price and whether a delayed sale changes the result. The property exit liquidity guide helps frame those evidence questions.
Finish with a readable assumptions sheet alongside the calculation. List the source and date for each input, mark estimates clearly, explain omitted items and keep unrounded working figures available. A model is most useful when another reader can reconstruct it and challenge the assumptions. An attractive NPV produced by unsupported rent, an unexplained rate or an optimistic sale figure is a prompt for more research, not a substitute for it.
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