Guide to buying a house: 9 tips for the first time


Are you finally thinking of buying your first home? You may have spent years debating whether to buy or rent, and have finally decided to take the leap into homeownership.

While scrolling through beautiful property listings online is exciting, the reality is that the purchasing process is far more complicated than it seems. There are dozens of critical financial factors to consider: loan limits, hidden expenses, heavy state taxes, and binding legal contracts.

Before you start booking house tours, you need a strategy. The Folime real estate team has created this comprehensive guide to help you navigate the Portuguese housing market. Here is everything you need to consider, the exact math behind the taxes, and our 9 essential tips for first-time buyers.

What to Consider When Applying for a Mortgage

Before you can choose a house, you must find out if you actually meet the minimum financial requirements to buy one. In Portugal, taking out a housing credit (Crédito Habitação) involves strict banking rules.

1. The 90% Financing Limit

Gone are the days of 100% mortgages. By law, the Bank of Portugal dictates that most banks can only lend a maximum of 80% to 90% of the property’s value.

  • ✅ Remember this trap! The loan is granted based on the lower value between the bank’s official appraisal of the property and your agreed purchase price. If you agree to buy a house for €200,000, but the bank evaluates it at only €180,000, the bank will only lend you 90% of the €180,000. You must make up the massive difference in cash!

2. The Debt-to-Income Ratio (Taxa de Esforço)

Make sure that your new monthly mortgage installment—combined with any other car loans or personal credits you already have—does not exceed 35% of your family’s net monthly income. If your debt ratio is too high, financial institutions will simply reject your mortgage application.

The True Costs of Real Estate Credit

When you buy a house, you must add the «hidden» bank and tax costs to the listing price to find out the true total you will have to pay. These costs must be clearly outlined by the bank in the FINE (European Standardized Information Sheet).

Understanding Interest Rates

The bank charges an interest rate in exchange for lending you money. In Portugal, you have three options:

  • Fixed Rate (Taxa Fixa): The interest rate remains exactly the same for the entire 30 or 40 years. Your monthly payment never changes, offering total peace of mind.
  • Variable Rate (Taxa Variável): This rate is tied to the Euribor index plus the bank’s profit margin (the Spread). Your monthly installment will increase or decrease every 3, 6, or 12 months depending on the European economy.
  • Mixed Rate (Taxa Mista): A hybrid contract. The interest rate is fixed for an initial period (e.g., the first 5 years) and then automatically switches to a variable rate for the remainder of the loan.

What Taxes Do You Pay When Buying a House?

The taxes relating to the purchase of a house are always paid by the buyer, usually on or right before the day of the public deed (Escritura).

  1. IMT (Municipal Property Transfer Tax): Calculated on the purchase price or the tax value of the property (whichever is greater). The percentage depends on the location, its intended use (primary or secondary residence), and the price bracket. (Note: Check current government rules, as young buyers under 35 may qualify for total IMT exemption!).
  2. Stamp Duty (Imposto de Selo): This is a two-part tax. You pay a 0.8% rate on the acquisition value of the house, plus an additional 0.6% tax on the total value of the bank loan you requested.

The Math: How much cash do I need to buy a €200,000 house?

Assuming the bank lends you 80% of the property’s value, you need to have €40,000 in cash for the down payment. Additionally, you need roughly €9,000 to €10,000 in cash to cover the bank dossier fees, the notary deed, the IMT, and the Stamp Duty. In total, you need roughly €50,000 in liquid savings to comfortably buy a €200k home.


Guide to Buying Your First Home: 9 Essential Tips

We know that buying your first home can be dizzying. To ensure you don’t make an expensive mistake, follow these 9 steps:

1. Analyze Your Needs (Not Just Wants)

This is the first thing you should do. Determine the exact number of bedrooms and bathrooms you realistically need. Factor in crucial lifestyle aspects: Do you need a dedicated home office? Is an elevator mandatory? Are there good schools, supermarkets, and public transport links in the area?

2. Do a Deep Market Study

Locate properties for sale in your desired area using portals like Idealista or Imovirtual. Analyze how long properties sit on the market. If a house has been listed for 6 months, the seller is likely desperate, and you have massive negotiating power. Don’t be afraid to offer a lower price.

3. Calculate the True Price per Square Meter

How do you know if a house is overpriced? Calculate the price per square meter (€/m2). Search the portal for similar properties in the exact same neighborhood. Find the average €/m2, and compare it to the house you want to buy. If the seller is asking 20% above the neighborhood average, walk away or negotiate hard.

4. Get Pre-Approved for a Mortgage First

Do not go house hunting without knowing your exact budget! Go to a mortgage broker and get a pre-approval letter from a bank. Knowing exactly how much the bank is willing to lend you prevents you from falling in love with a house you simply cannot afford.

5. Never Skip the Professional Home Inspection

When you find a house you love, hire an independent building inspector before signing anything. Fresh paint can easily hide toxic black mold, illegal electrical wiring, or a rotting roof. Spending €300 on an inspection can save you €20,000 in hidden structural repairs.

6. Understand the CPCV Contract

Before the final deed, you will sign a Promissory Contract of Purchase and Sale (CPCV) and hand over your down payment to the seller. This legally locks in the deal. Warning: If you back out after signing the CPCV, you lose your entire deposit! Ensure your lawyer adds a clause stating that the contract is voided if your bank loan falls through.

7. Shop Around for Mandatory Insurances

The bank will require you to buy Life Insurance and Multi-Risk Home Insurance to approve the loan. Do not just accept the bank’s expensive in-house policies! You have the legal right to buy these insurances from external providers, which will often save you thousands of euros over the life of the loan.

8. Investigate the Condominium

If you are buying an apartment, you are also buying into the building’s financial health. Demand to see the minutes from the last two condominium meetings. You need to know if the building is in debt, or if they just voted to replace the roof—a massive bill you will inherit the day you move in.

9. Keep an Emergency «House» Fund

Do not empty your entire bank account to buy the house. Once you move in, things will break. The boiler might die, or the fridge might leak. Keep a strict emergency fund of at least €3,000 to €5,000 explicitly dedicated to sudden home repairs during your first year of homeownership.


Disclaimer: The information provided in this article by Folime is for educational and financial planning purposes only. Real estate laws, IMT tax exemptions, and banking regulations in Portugal are subject to annual state budget changes. Always consult with a certified real estate lawyer and an independent mortgage broker before signing property contracts.

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