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Selling a flat with a mortgage loan

Author: RealtyTM Team Verified Updated: 16 JulyJuly7 2026 · 4 min read
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Many people sell a flat that still carries a mortgage loan. This situation is completely typical and feasible, but it requires additional steps and cooperation with the bank. The key is a safe settlement in which the loan is repaid and the mortgage removed.

In this guide we explain how to sell a property encumbered with a mortgage: why a certificate from the bank is needed, what the repayment of the loan from the sale price looks like and how the removal of the mortgage from the land register proceeds.

Key takeaways
  • A flat encumbered with a mortgage can be sold; the loan is most often repaid from the price obtained from the buyer.
  • A key document is a certificate from the bank about the amount of the debt and the repayment terms, and consent to remove the mortgage.
  • A safe settlement consists in part of the price going directly to the repayment of the loan, and the remaining amount to the seller.
  • After the loan is repaid, the mortgage is removed from the land register, which finally puts the legal status of the property in order.

Can you sell a flat with a mortgage

Yes, a flat encumbered with a mortgage loan can be sold. The mortgage entered in the land register secures the bank's claim, but it does not block the sale itself. The transaction is organised so that, from the price obtained from the buyer, the remaining debt is repaid first and the rest is paid to the seller.

Such a structure is common on the market, and notaries and banks have worked-out procedures for handling it. It requires, however, greater care than selling a flat free of encumbrances, because a third entity comes into play, namely the lending bank.

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The certificate from the bank

The basis is obtaining from the bank a certificate concerning the loan. It shows the current amount of the debt, the terms and the account number for full repayment, and the information that after repayment the bank will issue consent to remove the mortgage. This document is essential for the notary and the buyer for a safe settlement.

It is worth applying for the certificate sufficiently early, because preparing it takes the bank some time, and the amounts given are valid for a specific day. The data from the certificate organises the whole transaction and allows the division of the sale price to be set precisely.

Settling the price and repaying the loan

The safe settlement model consists in dividing the price. The part corresponding to the debt goes directly to the account indicated by the bank for repayment of the loan, and the remaining amount to the seller. Thanks to this, the buyer has certainty that the mortgage will be repaid, and the seller receives the surplus over the debt.

These rules are written into the notarial deed, which sets out the deadlines and the manner of transferring the funds. If the buyer themselves finances the purchase with a loan, their bank also participates in the settlement. Precise arrangements in the deed protect all parties to the transaction.

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Removing the mortgage from the land register

After the full repayment of the loan, the bank issues a document confirming the settlement of the debt and consent to remove the mortgage. On this basis, an application is filed to remove the entry from the land register. Only this ultimately clears the legal status of the property of the bank's security.

Removing the mortgage can be a formality following after the funds have been transferred, which is why it is worth seeing this stage through to the end. An orderly land register without a mortgage entry is confirmation that the transaction has been fully and safely closed.

What to remember in such a sale

In selling a flat with a loan, communication with the bank and good organisation are especially important. Ensure an up-to-date certificate, agree the settlement model with the notary and watch the validity deadlines of the amounts given. It is also worth informing the buyer early about the encumbrance in order to avoid misunderstandings.

The whole process can be somewhat longer and more complex than with a property without a mortgage, but it is fully safe when conducted in accordance with the procedure. A transparent settlement protects both the seller and the buyer.

Summary: a safe sale with a mortgage

Selling a flat encumbered with a mortgage loan is possible and common, provided you follow the proper procedure. The basis is a certificate from the bank about the debt and the repayment terms, and the safe settlement consists in directing part of the price straight to the repayment of the loan. After settling the debt, the mortgage is removed from the land register. Good communication with the bank and the notary guarantees a calm transaction.

Frequently asked questions

Can a flat with an unpaid loan be sold?
Yes. The mortgage secures the loan but does not block the sale. The debt is usually repaid from the price obtained from the buyer, and the remaining amount goes to the seller. This is a frequent and fully feasible transaction, conducted according to a set procedure.
What is the certificate from the bank needed for?
The certificate states the current amount of the debt, the account and terms of full repayment, and announces consent to remove the mortgage. It is essential for the notary and the buyer to settle the transaction safely and divide the sale price precisely.
What does a safe settlement of such a sale look like?
The price is divided so that the part corresponding to the loan goes directly to the repayment account at the bank, and the rest to the seller. The rules and deadlines are written into the notarial deed, which gives certainty that the mortgage will be repaid and the seller will receive the surplus.
When is the mortgage removed from the land register?
After the full repayment of the loan, the bank issues consent to remove the mortgage, on the basis of which an application is filed to the land register. Removal usually takes place after the funds are transferred and ultimately clears the legal status of the property of the bank's security.
RealtyTM Team
RealtyTM Team
Editorial

The RealtyTM editorial team prepares guides based on Polish market data and current regulations. Content is reviewed by our subject editors.

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