An annual bonus, a car sold, an inheritance — sooner or later many borrowers have a sum they could put towards the mortgage. The question is not just "yes or no". It is also how: a shorter term or a lower instalment, all at once or in parts — and whether the money is needed more elsewhere.

What the law says — briefly

Early-repayment rights are set out in Article 41 of Bulgaria's Consumer Real Estate Credit Act (ZKNIP):

you may repay in full or in part at any time, and the total cost of the credit — including interest — is reduced for the remaining term; the bank cannot refuse;
once you have paid 12 monthly instalments, the bank is not entitled to compensation or a penalty;
before that, compensation is due only if agreed, and is capped at 1% of the amount repaid early;
on a written request, the bank must give you information on the outstanding balance, the costs and any compensation due.

We covered this in detail — including when the law does not apply and how older contracts are treated — in our refinancing guide. Here we focus on strategy.

A shorter term or a lower instalment?

After a partial prepayment, the bank usually offers two options for the new repayment schedule:

Keep the instalment, shorten the term. You pay the same each month but finish earlier. You save more interest, because the balance accrues interest for fewer months.
Keep the term, lower the instalment. Your monthly budget eases immediately, but the interest saved is smaller.

Illustrative example (annuity repayments, 3% fixed for the whole term, no fees or insurance):

a €150,000 loan over 25 years — instalment about €711;
after 5 years the balance is about €128,260, and you prepay €20,000.

Option	New instalment	Remaining term	Interest saved (approx.)
No prepayment	€711	20 yrs	—
Lower instalment	about €600	20 yrs	about €6,600
Shorter term	€711	about 16 yrs	about €14,300

The example is simplified — real figures depend on the rate, the balance and the bank's exact method. You can model your own scenario with our mortgage calculator.

Which to choose? A shorter term saves more, but a lower instalment buys flexibility. If your income is uncertain, or parental leave or a job change is coming, a lower instalment is a buffer. You can always pay more than the instalment — but you cannot go back to a lower one without the bank's agreement.

When not to rush

Before putting money into the loan, check four things:

A reserve. Do you have savings for at least several months of expenses? Money put into a mortgage does not come back easily — if you need it tomorrow, you will need a new loan.
Other debts. If you have a consumer loan, a credit card or a lease at a higher rate, pay those first. The mortgage is almost always your cheapest debt.
Upcoming costs. Renovation, a car, education — if you would finance them with a new loan at a higher rate, prepaying the mortgage loses its point.
Tax relief. If you use the young-family relief, less interest also means less relief. The amount is small and rarely changes the decision, but it is worth knowing.

Partial or full?

Full repayment frees the property: after paying, ask the bank for a certificate that the loan is repaid and its consent to cancel the mortgage, and have the cancellation entered at the Registry Agency. Cancellation costs money — a registration fee and a notarised signature — so don't skip this step.

Partial repayment leaves the mortgage on the property until the loan is fully repaid. You can prepay in part several times. Some banks set a minimum amount or require the payment on an instalment date — check the contract and the fee schedule.

How it works in practice

A written request to the bank — the amount and your chosen option (shorter term or lower instalment).
Information from the bank on the balance, costs and any compensation due (Art. 41(6) ZKNIP). Check it before you pay.
Payment — usually into the account the instalments are collected from, on the agreed date.
A new repayment schedule — ask for it and read it. Make sure the option you chose has been applied.
Insurance. If your life policy has a decreasing sum insured, the premium may fall. Ask.

Variable rates and fixed periods

Prepaying is particularly useful on a variable-rate loan if you expect rates to rise — you shrink the balance on which interest will accrue. If you are in a fixed-rate period, Article 41 applies in the same way, and the bank can seek compensation only under the conditions above.

In short

The law lets you repay at any time, and after 12 instalments with no compensation.
A shorter term saves more interest; a lower instalment buys flexibility.
First a reserve and the more expensive debts, then the mortgage.
Always ask for written information and a new repayment schedule.

If you would like to work out together how much you would save — or whether there is a better option, such as switching to a better offer or refinancing — call us or come into the office.

This is general information, not financial or legal advice. The example is illustrative. Verified as of October 2026.

Paying off a Bulgarian mortgage early: partial or full, a shorter term or a lower instalment, and what the law says about fees