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If you need a mortgage to buy property in Portugal, the main legal risk often appears before the bank makes its final lending decision.
The buyer signs a CPCV, pays a substantial deposit and only later discovers that the bank refuses the loan, lends less than expected or values the property below the purchase price.
Unless the CPCV protects the buyer, financing failure can remain the buyer's contractual risk.
Pre-approval is not final approval
A pre-approval or simulation can be useful, but it is not the same thing as the bank being committed to finance the specific property.
Final lending can depend on borrower documents, credit analysis, property valuation, legal property review, insurance and final bank approval.
Do not sign an unconditional CPCV merely because a broker says the financing looks fine.
Financing clause
If completion depends on a mortgage, the CPCV should deal with that dependency expressly.
A useful clause can define the minimum loan amount, approval deadline, what counts as refusal, whether low valuation is covered, what evidence the buyer must provide and what happens to the deposit.
Low bank valuation
If the valuation is below the purchase price, the bank may lend less than expected.
For example, a €600,000 purchase expecting a €420,000 mortgage can develop a €50,000 funding gap if valuation supports only €370,000.
If the CPCV protects only against total loan refusal, the buyer may still be contractually required to complete.
Loan-to-value limits
Banco de Portugal's current macroprudential recommendation uses an LTV ceiling of up to 90% for credit for a borrower's own permanent residence and up to 80% for other purposes, within the scope and exceptions of the recommendation.
That is a banking limit, not a promise that a bank will lend that percentage in your case.
The bank can approve less.
Married buyers
If you are buying with a spouse, keep ownership and borrower liability separate. The matrimonial property regime helps determine ownership, while the loan documents and Portuguese rules on spouses' debts determine who is liable and which assets may answer for the debt.
Read: Buying Property in Portugal as a Married Couple: Ownership, Consent and Mortgage
If you need to understand when one spouse's borrowing or other debts can become a joint liability, read: Are You Responsible for Your Spouse's Debts in Portugal?
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Assess my mortgage and legal risksFirst-home public guarantee
Portugal currently has a state guarantee scheme for qualifying young borrowers buying their first own permanent home.
For eligible cases, the guarantee can support financing between 85% and 100% of the transaction value, with the state guarantee covering up to 15% of that value.
The scheme has detailed eligibility conditions and currently applies to qualifying credit contracts formalised by 31 December 2026.
A buyer using the guarantee still needs bank approval.
Do not sign an unconditional CPCV simply because you expect to qualify.
Bank review is not buyer due diligence
The lender's legal and valuation work protects the bank's security. It does not replace your own legal review.
Deposit risk
If financing fails and the CPCV does not protect the buyer, the deposit can be at risk.
Timing
Mortgage-dependent transactions should leave enough time for valuation, final approval, contractual documents and completion preparation.
A deadline that is realistic for a cash buyer may be unsafe for a financed buyer.
How THE-Ö can help
We can review the property and CPCV before you sign and align the legal contract with the financing you actually need.
We do not provide the bank's credit decision. Our role is to make sure the property contract does not unnecessarily leave the buyer carrying a financing risk that could have been addressed before signature.
Buying with a Portuguese mortgage and about to sign a CPCV?
Send us the draft CPCV, purchase price, expected loan amount and current financing status.