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Buying a property with a joint loan: rules, risks and protecting the partners

Useful · 14 / 04 / 2026 · 9 min read

Buying a property with a joint loan is a common choice for couples, families and partners who want to acquire a home together. The reason is clear – when two people contribute their incomes, the chance of bank approval can be higher and the purchase budget more flexible. This does not mean, however, that such a transaction should be treated as a formality.

A joint loan creates a long-term financial tie between the participants. Whether they are spouses, unmarried partners, relatives or other individuals, it is important to clarify rights, obligations and risks even before the purchase. The property may be a dream home, but the loan is a contract that binds the parties for years ahead.

The biggest mistake in such transactions is to rely only on trust and good relations. Trust is important, but it does not replace clear rules. Life can change – incomes, jobs, marital status, health, plans, relationships between partners. That is why buying a property with a joint loan must be well thought out and prepared.

1What a joint loan means when buying a property

Покупка на имот със съвместен кредит и ясно разпределение на отговорностите

A joint loan usually means that more than one person is party to the contract with the bank. This can be as a borrower, co-debtor or guarantor, depending on the specific structure of the financing. In practice, most often two partners apply for a mortgage together, with the bank looking at their combined income and their combined ability to service the obligation.

It is important to understand that being party to the loan does not always automatically mean an equal share of ownership of the property. Ownership is determined by the notarial deed and the way the transaction is structured. It is therefore necessary to draw a clear distinction between who repays the loan and who owns what part of the property.

A loan and ownership are not the same thing

When buying a property with a joint loan, there are two separate topics. The first is the relationship with the bank – who is responsible for the loan, how the instalments are paid and what the obligations are in case of delay. The second is ownership – who owns the property and in what share.

Two people can be party to the loan while the property is registered only in one name. It is also possible for the property to be acquired in both names but with different shares. That is why, before signing, it must be clearly agreed what will be recorded in the notarial deed.

Good preparation includes answers to several important questions:

  • who will own the property;
  • what share each party will have;
  • who will be the borrower or co-debtor;
  • how the monthly instalments will be paid;
  • who provides the initial own contribution;
  • what happens in case of separation, sale or inability to pay.

These questions should not be left for later. They are part of a secure purchase.

2Buying as spouses and buying as unmarried partners

One of the most important differences is whether the buyers are in a civil marriage or live together without being married. For spouses, property relations may depend on the chosen regime. For unmarried partners there are usually no equivalent automatic rules, so it is even more important for ownership and contributions to be clearly formalised.

When the buyers are spouses

For spouses, you need to check which property regime applies. In Bulgaria there are different regimes, including the statutory community regime, the statutory separation regime and a contractual regime. This can matter for how the property is acquired and how rights between the spouses are settled.

If there is a prenuptial agreement or a chosen separation regime, the terms may differ from the standard idea of family ownership. That is why, when buying a more expensive property, it is sensible to clarify the documents and the ownership regime in advance.

When the partners are not married

For unmarried partners it is especially important that the notarial deed clearly records who holds what share. If one partner contributes a larger own contribution while the other takes on a larger part of the monthly instalments, this should also be discussed beforehand.

It is not a good idea to make such a purchase on verbal agreements alone. Even if the relationship is stable, a lack of clarity can lead to serious disputes in case of separation, sale, inheritance or financial difficulties.

3What the main risks of a joint mortgage are

A joint loan can be convenient, but it also carries risks. Most importantly, the bank expects the loan to be serviced regularly. If one party stops paying their part, that does not mean the other is automatically released from responsibility.

Financial liability to the bank

With a joint loan, the bank may seek payment according to the terms of the contract. If both parties are jointly and severally liable, one person's problems can affect the other. This means that late instalments, arrears or inability to pay can affect both people's credit history.

The risks most often appear in cases of:

  • loss of a job or a sharp drop in income;
  • separation between partners;
  • a dispute over who should pay the instalments;
  • one party wanting to leave the property;
  • inability to sell the property at the desired price;
  • the absence of a written agreement on each party's personal contribution.

These situations are not pleasant to think about at the start, but it is better to anticipate them in time.

Different contributions to the purchase

Often one partner has more savings while the other has a higher income. Or one pays the initial own contribution while the other takes on part of the renovation and furnishing. If these things are not recorded or at least clearly documented, a dispute may arise later.

A different contribution is not a problem in itself. The problem arises when it is unclear whether that contribution is considered a gift, a loan, a larger share of ownership or a personal investment.

4How partners can protect themselves before the purchase

Партньори обсъждат условия по ипотечен кредит преди покупка на жилище

The best protection begins before signing. Once the property has been bought and the loan drawn down, the options for change are more limited and more complex. That is why it makes sense to make the important decisions in advance.

Clear distribution of ownership

The first step is to decide how ownership will be divided. If both take part equally, equal shares can be registered. If one contributes a larger own share or takes on a bigger financial commitment, a different split can be discussed.

It is important that the notary deed reflects the real agreement between the parties. This is the document that is of key importance in future disputes, a sale or inheritance.

A written agreement between partners

For unmarried partners, it is sensible to make a written agreement on the main issues. It can set out who has put in what amount, how the instalments will be paid, what happens on separation and how to proceed if the property is sold.

Such an agreement can include:

  • the size of each person's initial contribution;
  • the way the monthly instalments are paid;
  • sharing the costs of renovation and furnishing;
  • rules if one wishes to sell;
  • rules on separation;
  • the option for one to buy out the other's share;
  • how to prove the payments made.

This does not mean a lack of trust. On the contrary – clear rules protect both.

5How the bank assesses joint borrowers

With a joint loan, the bank usually looks at the financial situation of all participants. This includes income, employment contracts, age, credit history, other obligations and stability of earnings.

Why a good credit history matters

If one partner has a good credit history and the other has arrears or high indebtedness, this can affect the bank's decision. The loan may be approved on stricter terms or refused if the risk is too high.

The bank may also require additional collateral, a larger own contribution or the participation of another co-borrower. That is why, before applying, it is a good idea for both partners to be clear about their financial situation.

6How to organise the payment of instalments

After the purchase, the longest part begins – regular repayment of the loan. To avoid tension, there must be a clear arrangement. It is not enough to say “we'll pay it together”. It is better to define an exact mechanism.

Practical payment options

Some couples choose to pay equal amounts into a joint account, from which the loan is paid. Others split the payments according to their incomes. Others decide that one pays the loan while the other covers other household expenses. What matters is that the decision is clear and acceptable to both sides.

It is useful to keep evidence of payments, especially if the partners are not married or have different shares in the property. Bank transfers and clear grounds for payment can be important in any future settlement of the relationship.

7What happens on separation

Защита на купувачите при съвместна покупка на имот с банково финансиране

Separation is one of the most sensitive topics with a joint loan. Nobody buys a home thinking that the relationship may deteriorate, but that possibility needs to be provided for. If there is no prior agreement, the situation can become complicated.

Possible solutions on separation

On separation there are usually several options. The property can be sold, the loan repaid and the remainder divided according to ownership and agreements. One partner can buy out the other's share, if the bank approves a change to the loan. It is also possible for both to remain owners, but this is rarely convenient in the long term if the relationship has ended.

The difficulty is that the bank is not bound by the personal relationship between the partners. Even if one leaves the property, that does not mean they automatically stop being liable for the loan. That is why such a situation must be resolved with the bank's involvement and with clearly drawn-up documents.

8What to check before signing

Before reaching the final deal, both partners should go through several important checks. This reduces the risk of future problems and makes the purchase safer.

Before signing, it is a good idea to check:

  • how ownership will be recorded in the notary deed;
  • the exact amount of each person's own contribution;
  • the terms of the loan;
  • who is responsible if instalments are late;
  • what the fees, insurance and additional costs are;
  • what happens on early repayment;
  • how to proceed on separation or sale;
  • whether an additional written agreement between the partners is needed.

These checks do not slow the process unnecessarily. They protect buyers from decisions that may later cost much more time, money and stress.

9Sensible preparation protects both the property and the relationship

Buying a property with a joint loan can be a good decision when done with clear rules and a realistic assessment. It allows partners to pool their financial resources and acquire a home that might be hard to afford for one of them alone. But for this step to be safe, the legal and financial details must not be underestimated.

The most important thing is to have clarity from the start – who owns what share, who pays what, how contributions are proven and what happens if the relationship changes. This applies especially strongly to unmarried partners, but it also matters for spouses where there is a specific property regime or unequal financial contribution.

A joint loan should not be seen merely as a way to make bank approval easier. It is a long-term responsibility that must be managed sensibly. When the partners are prepared, the documents are clear and the terms have been discussed in advance, buying a property can be a stable and secure step, not a source of future disputes.

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