Mortgage Loan (Crédito Hipotecario): Types, Requirements, and Monthly Payment Calculator
A mortgage loan — called crédito hipotecario in Mexico and most of Latin America, or préstamo hipotecario in Spain — is a long-term secured loan whose collateral is the property being purchased. The lender holds a lien on the property (hipoteca) until the debt is fully repaid; if the borrower defaults, the lender can foreclose and sell the asset to recover its claim. Understanding the different products, the real cost drivers, and the application process before signing protects you from the most common and expensive mistakes in personal finance.
Types of Mortgage Loan
Fixed-Rate Mortgage (Hipoteca Fija)
The nominal interest rate stays constant for the entire term — typically 15 to 30 years. Monthly payments never change. In Spain, fixed rates as of April 2026 range from approximately 3.05% (ING, Openbank with linked products) to 4.00% TIN for standard profiles. In Mexico, fixed-rate bank mortgages range from 9.5% to 12.5% nominal. This product suits borrowers who prioritize payment certainty and plan to hold the property long term.
Variable-Rate Mortgage (Hipoteca Variable)
The rate adjusts periodically — typically annually in Spain — based on a reference index plus a spread. In Spain, the dominant index is the 12-month EURIBOR (2.45% as of April 2026). A mortgage at EURIBOR + 0.90% currently implies a nominal rate of approximately 3.35%, cheaper than most fixed offers. The risk: when EURIBOR rises, so does your payment. EURIBOR peaked at 4.16% in October 2023, raising monthly payments on variable mortgages by EUR 200–300 on a EUR 200,000 / 25-year loan relative to 2021 levels.
Mixed-Rate Mortgage (Hipoteca Mixta)
Fixed for an initial period (typically 3 to 10 years), then variable for the remainder. Suitable for borrowers who want short-term payment certainty but are willing to accept rate variability later, or who plan to make significant principal repayments during the fixed phase.
Government-Backed Programs
- Mexico — INFONAVIT: Workers in the formal private sector accumulate a housing sub-account (5% of salary, paid by employer). This balance can serve as down payment and, for qualifying workers, covers part or all of the mortgage. INFONAVIT rate: 10.45% nominal annual (2026). Maximum loan: varies by worker salary and credit score.
- Mexico — FOVISSSTE: Equivalent program for government employees. Joint INFONAVIT-FOVISSSTE credits allow married couples where one partner works in the private sector and the other in government to combine both balances.
- Spain — ICO / Línea ICO Joven Aval: State guarantee program for buyers under 35 purchasing their first primary residence, allowing LTV up to 95% at participating banks (Bankinter, CaixaBank, BBVA). The state covers the risk of the 15-pp LTV gap between 80% and 95%.
How Mortgage Costs Are Measured: CAT vs TAE
Mexico — CAT (Costo Anual Total): Required disclosure by Banxico. Includes the nominal rate plus all mandatory costs — opening commission, life insurance, home insurance, any credit life insurance, and notarial fees if the bank controls them. Typical CAT for mortgage loans in Mexico: 13%–18%. Always compare CAT across banks, not just the nominal rate.
Spain — TAE (Tasa Anual Equivalente): Required by Banco de España under Directive 2014/17/EU. Includes TIN (nominal rate), origination fee, and all mandatory linked products. The FEIN (European Standardized Information Sheet) discloses the TAE and must be delivered at least 10 business days before signing. Best TAE in Spain (April 2026): ~3.31% from ING.
Eligibility Requirements by Market
Spain: Stable income (permanent employment contract or 2+ years of self-employment with filed IRPF), debt-to-income ratio below 30–35% of net monthly income, clean credit history (no CIRBE/ASNEF defaults), LTV at or below 80% (for standard programs), minimum income of EUR 1,800–EUR 2,500/month depending on the loan amount, NIE/DNI.
Mexico: RFC, formal employment or verifiable self-employment income (últimos 3 recibos de nómina + 2 years of SAT tax declarations), Buró de Crédito score (minimum varies by bank; BBVA México requires at least "Regular", HSBC requires "Bueno"), enganche from own documented funds (10–20% of property value), property appraisal (avalúo) ordered and paid by the bank.
The Application Process: What to Expect
| Stage | What happens | Typical time |
|---|---|---|
| Pre-qualification | Bank reviews income and Buró/CIRBE; issues indicative offer | 2–5 business days |
| Property appraisal | Certified appraiser values the property; bank reviews LTV | 7–14 business days |
| Credit committee | Bank formally approves the amount, rate, and conditions | 5–10 business days |
| FEIN / binding offer | Spain: legally binding pre-contract document, 10-day cooling period | 10 days mandatory |
| Notary signing | Mortgage deed executed; public deed registered | 1–3 business days |
| Total typical timeline | 4–8 weeks |
In Mexico, registration at the Registro Público de la Propiedad follows signing and typically takes 10–20 additional business days depending on the state.
Worked Example: Monthly Payment Calculation
Spain, fixed rate: EUR 200,000 at 3.50% TIN / 25 years.
- Monthly rate r = 3.50% ÷ 12 = 0.002917
- n = 300 months
- M = 200,000 × [0.002917 × (1.002917)^300] / [(1.002917)^300 − 1] ≈ EUR 1,001/month
- Total interest paid over 25 years: EUR 100,300 (50% of the original principal)
Mexico, fixed rate: MXN 1,500,000 at 11.0% nominal / 20 years.
- Monthly rate r = 11.0% ÷ 12 = 0.009167
- n = 240 months
- M ≈ MXN 15,490/month
- Total interest paid over 20 years: MXN 2,217,600 − MXN 1,500,000 = MXN 717,600
Red Flags to Watch For
Floor clauses (cláusula suelo): Minimum rate floors in variable mortgages were ruled abusive by Spain’s Supreme Court and the TJUE in 2016. If you are refinancing a mortgage signed before 2015, verify whether it contained one and whether you are entitled to restitution of overpaid interest.
Forced insurance cross-selling: Banks may offer a lower TIN in exchange for subscribing to their home insurance and life insurance at non-market premiums. Calculate the true net cost: annual interest saving versus annual insurance premium differential compared with the open market. Under Ley 5/2019 in Spain, these cannot be legally required, but the discounted rate depends on them.
Early repayment penalties: In Spain: maximum 2% in the first 10 years and 1.5% thereafter for fixed-rate mortgages (Ley 5/2019). In Mexico: penalties must be disclosed in the contract and in the CAT; they vary by bank but Banxico enforces disclosure.
Notary and registration costs (gastos de formalización): In Spain these are now paid by the bank under Ley 5/2019 — you do not pay AJD (stamp duty) or notary fees for the mortgage deed. You do pay for the sale contract notarization and Land Registry inscription. In Mexico, both escritura fees and ISAI (Impuesto Sobre Adquisición de Inmuebles, 2–4% depending on the state) are paid by the buyer.
How to Use the Simúlalo Mortgage Calculator
Enter the loan amount, annual nominal rate, and term in years. The calculator outputs the monthly installment and the full amortization table. Use it to:
- Compare fixed vs. variable scenarios: Enter the fixed rate and the current EURIBOR + spread for variable, and see when the cumulative interest paid crosses over.
- Calculate your LTV: Enter the bank’s appraised value and your desired loan to see whether you stay below the 80% threshold.
- Run prepayment scenarios: See how one extra payment per year reduces total interest and shortens the loan term — typically by 3–5 years on a 25-year mortgage.