Dubai Mortgage Calculator: Stress-Test Your Monthly Payment
A Dubai mortgage calculator can estimate a monthly repayment, but one payment figure is not a complete affordability check. Buyers also need to understand upfront cash, ongoing building costs and what happens if the interest rate or rental income changes.
Use our Dubai mortgage calculator to compare scenarios with your own lender quotation. The rates in this article are hypothetical sensitivity assumptions, not current mortgage offers or predictions.
The inputs that drive your monthly payment
- Loan amount: the money borrowed, rather than the property’s full purchase price.
- Interest rate: the annual rate used in the repayment calculation.
- Loan term: the number of years over which the loan is amortised.
- Repayment structure: this example assumes monthly payments of principal and interest on a reducing balance.
The deposit and purchase fees affect your upfront cash requirement even when they are outside the monthly loan formula. Keep them in a separate budget. For a property costing AED 1,500,000 with a hypothetical AED 1,000,000 loan, the price difference is AED 500,000 before fees. This example does not state that any particular loan-to-value ratio will be available to you.
Compare three interest-rate scenarios
Assume an AED 1,000,000 loan repaid over 25 years, or 300 monthly payments. The table holds the rate constant for the entire term solely to show the arithmetic. Amounts are rounded to the nearest dirham; fees and insurance are excluded.
| Hypothetical annual rate | Monthly repayment | Annual debt service |
|---|---|---|
| 4% | AED 5,278 | AED 63,340 |
| 5% | AED 5,846 | AED 70,151 |
| 6% | AED 6,443 | AED 77,316 |
Moving from 4% to 6% increases the estimated monthly payment by about AED 1,165. A borrower with little spare monthly cash might find that difference significant. Your actual payment can differ because of lender calculation conventions, fees, insurance, the timing of payments and the loan’s rate structure.
How the repayment formula works
For this standard amortisation example, payment = P × r ÷ [1 − (1 + r)−n], where P is the loan balance, r is the monthly interest rate and n is the number of monthly payments. A 5% annual assumption uses 0.05 ÷ 12 for r. A zero-interest scenario simply divides the loan by the number of payments.
The payment includes both interest and principal. Interest is a financing cost; principal reduces the loan balance. Both leave your bank account, so the full payment matters when checking monthly cash flow.
A fixed introductory period is not the full loan term
Read the lender’s offer to identify when any fixed or introductory period ends and how the subsequent rate is determined. Ask which reference rate and margin apply, when the rate resets, and whether any limits or special conditions apply. Do not assume the headline rate remains unchanged for 25 years.
Ask for a written breakdown of arrangement charges, valuation, insurance, early settlement or refinancing costs and any mortgage-registration amounts relevant to the transaction. The calculator is a comparison tool; the lender’s offer and repayment schedule establish the actual borrowing terms.
For landlords, test the rent as well as the rate
Suppose a rental property produces AED 83,000 of annual net operating income before finance. Using the AED 1,000,000 loan above, cash remaining after debt service is approximately AED 19,660 at 4%, AED 12,849 at 5%, and AED 5,684 at 6%. These are cash-flow illustrations, before any additional excluded costs or taxes.
If net operating income falls to AED 73,100, the 6% scenario produces roughly negative AED 4,216 of annual cash flow after repayments. This does not predict a loss; it shows why changing rent and interest assumptions together is more informative than testing either in isolation.
Build the operating-income figure using our rental yield calculator. Include vacancy, service charges and the expenses the owner pays. Avoid treating advertised gross rent as cash available for the mortgage.
Build an upfront cash and holding-cost checklist
- Deposit or equity contribution, plus the transaction’s buying costs.
- Lender charges, valuation and any insurance requirements in the offer.
- Building charges, unit maintenance and a tenancy-changeover reserve.
- A cash buffer that fits your circumstances, rather than relying on full occupancy every month.
- The costs and conditions of refinancing or selling before the end of the term.
Use the Dubai buying cost calculator for a separate acquisition estimate. Owner-occupiers can also use the rent versus buy calculator to compare a chosen holding period and consistent assumptions.
What this calculator cannot decide
A repayment estimate does not confirm mortgage eligibility, a bank valuation, affordability approval or the suitability of a property. Compare the base case and cautious case with the lender’s full quotation before deciding. Keep rental income, capital growth, loan repayment and upfront equity as separate parts of the analysis.
Prepared by Dubai Investment Tools. Calculations checked on 21 October 2026 using the standard monthly amortisation formula. All rates and rental figures are illustrative. This is educational content, not a mortgage offer or personalised financial advice.