How does a bridge loan work? A real estate hunter's guide

Want to buy before selling your current home. Discover how the bridge loan works, its risks, its calculation and the advice of a real estate hunter.

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11/12/2025

Bridge loan: operation, calculation, risks

A bridge loan is often the key to buying a new home before selling the previous one, but how it actually works remains unclear for many owners. Between calculating the amount, duration, rate, risks and impact on your borrowing capacity, an error of appreciation can undermine your entire project. As a real estate hunter, I offer you a concrete explanation of the bridge loan, specially designed for owners and families in transition who want to move without going through the rental box. You will discover how a bank calculates your bridge loan, how a project on the ground takes place, in which cases this arrangement is relevant and how to avoid having to sell your property. At the end of the article, an FAQ, numerical practical cases and a “To remember” box will allow you to leave with a clear and usable vision.

Understanding bridge loans: definition and principle

Before talking about figures or duration, it is essential to define a clear definition of bridging loans. It is a transitional real estate financing, designed to bridge the cash gap between selling your current home and buying the next home. In practice, the bank advances you part of the value of your property for sale, relying on the fact that the sale will take place within a reasonable period of time at a consistent price. This mechanism makes it possible to buy before selling, without resorting to full double financing. Well used, the bridge loan is a tool that secures your project and avoids the stress of moving in several stages.

What is a home bridge loan?

A home bridge loan is a short-term loan, generally granted for 12 to 24 months, which allows you to buy a new property while the sale of your current home has not yet been finalized. The bank takes into account the estimated value of this property and lends you a fraction of it, applying a safety margin.

The borrowed capital is repaid all at once at the time of sale, which avoids having to take on two long-term mortgages in parallel. During the term of the bridge loan, you either pay interest only or monthly payments consisting of interest and, sometimes, a small portion of capital. It is this flexibility that allows owners and families to manage their residential transition more calmly.

How does a bridging loan work to buy before selling?

In concrete terms, the functioning of the bridge loan is based on a simple logic: the bank advances today part of the money that you must receive tomorrow when you sell your home. You first sign a compromise or a promise to purchase the new property, then your bank advisor studies your situation and the value of your current property. If it validates the arrangement, the bridge loan is set up to finance part of the operation, often in addition to a traditional real estate loan. Once your property is sold, the proceeds of the sale are used to repay the capital of the relay, and if necessary, to reduce the amount of the main credit. This mechanism prevents you from waiting for the sale to position yourself on a property, which is valuable in tense markets where decision times are very short.

The different types of bridge loans (simple, backed, dry)

There are three main types of bridge loans, each adapted to a particular situation. The simple bridge loan is used when the proceeds from the sale of your property will finance most of your new purchase and when the need for additional credit remains limited.

The backed bridge loan is combined with a traditional real estate loan, which is very common when the new acquisition is more expensive than the property sold. A dry bridge loan occurs when the sale almost completely covers the price of the new property and you only need a temporary advance on the amount to be collected. The choice between these three formats depends on your budget, the value of your assets and your debt level, but also on the internal rules of each bank and their risk analysis (Source: www.anil.org).

How does the bank calculate the amount of your bridge loan?

Calculating the amount of your bridge loan is never left to chance. The bank starts by analyzing the value of your property for sale, the dynamics of the local market and your overall financial situation. It then applies a careful discount to this stock, in order to protect itself against stronger trading than expected or a longer selling period. It is this cautious approach that explains why you are not getting 100% of the estimated value, but rather 50 to 70%. Understanding this mechanism is essential, as it directly conditions the budget that you can devote to your new purchase and the feasibility of your pre-sale purchase project.

Estimate, percentage retained and value of your property

The first step in the calculation is to correctly estimate your current property, usually based on valuation opinions from real estate agents, market data, and recent sales references. On this basis, the bank applies a cautious percentage, often around 60%, which can rise to 70% in a very tight zone, or fall to 50% in a slower market. A property estimated at €400,000 will thus often allow you to obtain a bridge loan of around €240000. This discount protects the establishment in the event of a price drop or negotiations that are harsher than expected, but it also protects you against the risk of overestimating your purchasing capacity. The more realistic the estimate, the more solid the financial package is and the more likely your project is to run smoothly.

The importance of real estate valuation and safety margins

An overly optimistic estimate can upset your entire project, as it leads to a bridge loan that is oversized compared to what the market is actually ready to pay. This is why banks appreciate well-sourced estimates, supported by comparable sales and price levels consistent with local reality. (Source: www.banque-france.fr). They then apply a safety margin to absorb risks, which prevents a lower final selling price from destabilizing your financing plan. As a real estate hunter, I always recommend comparing several value opinions and remaining lucid about price positioning, especially for atypical properties or located on slower markets, in order to secure both the banking agreement and the success of the sale.

Practical cases for calculating a bridge loan

ScénarioValeur estiméePourcentage retenuMontant du prêt relais
Zone tendue (grande ville)500000€65%325000€
Ville moyenne dynamique400000€60%240000€
Marché plus lent ou rural300000€55%165000€

In these three cases, we can see that the percentage selected by the bank varies according to market tension and perceived risk. A family that sells an apartment in a very sought-after city center will be able to finance a larger part of their new home thanks to the bridge loan. Conversely, a property located in an area where sales times are longer will give access to a lower amount, which may require either an additional contribution or a more modest project. These practical cases show how the reality of the local market and the quality of the estimate influence your purchasing capacity and must be integrated into your thinking from the start.

Implementation of a project with relay loan, step by step

Once the amount of the bridge loan has been validated, the success of the operation is based on good management of the schedule and rigorous coordination between all parties involved. The arrangement is not limited to a simple agreement in principle, it involves several signatures, suspensive conditions, regulatory deadlines and sometimes renegotiations. For an owner or a family in transition, this phase can quickly become stressful if it is not anticipated. Understanding the progress of a bridging project, from the first compromise to the final sale, allows you to keep control of deadlines and avoid unpleasant surprises.

Chronology of a purchase with bridge loan

Most of the time, it all starts when you sign a sales agreement for your future home, with a suspensive condition of obtaining financing including the bridge loan. You then send this compromise to your bank, which studies your file, the value of your current property and your overall debt capacity.

Once the agreement is obtained, the funds from the bridge loan and possibly from the classic real estate loan are released for the act of purchase at the notary. Your current property is put on sale in parallel or already under compromise, and the final sale makes it possible to repay the capital of the relay. The whole must take place within the duration provided for in the contract, generally 12 to 24 months, which requires organizing the marketing of the property without delay.

Banking conditions you need to know to avoid unpleasant surprises

Beyond the amount, each bridge loan has its own conditions that must be studied carefully to avoid unpleasant surprises. The first relates to interest, which can be paid monthly or capitalized and settled at the end with the principal, which changes the perception of the total cost. The second relates to the maximum duration of the bridge loan and the consequences in the event of a late sale, such as renegotiation or a switch to another type of financing.

The bank can also condition the agreement on the active sale of your property within a specific period of time, or require a marketing price consistent with the estimate. A transparent exchange with your bank advisor, complemented by real estate support, makes it possible to avoid commitments that you would not be able to keep without unnecessary pressure.

Coordination between notaries, banks and real estate players

A project with relay loan involves several professionals who must move forward at the same pace to secure the entire assembly. The notary manages the drafting of agreements and deeds, the bank coordinates the release of funds, while the real estate agents or the real estate hunter take care of the marketing and the search for properties.

A delay in preparing a file, a missing document or a protracted negotiation can delay a signature and unbalance the schedule. This is why the support of a professional in the field is particularly valuable: it allows you to keep an overview, to anticipate the blocking points and to defend your interests at each stage. For a family in transition, this coordination is often the difference between a fluid project and a journey full of tensions.

Benefits, risks and common mistakes of bridging loans

Bridging loans should not be demonized or idealized. It is a powerful tool that can offer you great freedom of action, but it also presents risks if you neglect certain parameters. The challenge is to precisely measure the balance between the comfort of buying before selling and the financial responsibility that this implies. Owners changing residence and families who wish to avoid renting are particularly concerned by these arbitrations. By clearly knowing the benefits, risks and mistakes to avoid, you will be in a position to make a clear decision about whether a bridging loan is right for you.

Why use a bridge loan rather than a traditional loan?

The main interest of a bridge loan is to allow you to buy without waiting for the sale of your property, which is decisive in a market where the best opportunities leave very quickly. Instead of dealing with the sales schedule, you take back control of your project and can choose a home that is truly adapted to your needs, without settling for a default solution.

The bridge loan also avoids having to spend an intermediate period renting, with two moves and additional costs. For a family, this continuity is particularly valuable, especially for children's schooling. Finally, not being in a hurry to sell gives you better bargaining power, which can partially offset the cost of credit.

The main risks of a poorly anticipated bridge loan

The most well-known risk is not being able to sell your property on time, which can extend the life of the bridge loan and increase the cost of interest. Another risk consists in selling at a lower price than expected, forcing the financing plan to be readjusted, or even mobilizing savings in an unexpected way.

A poorly sized bridge loan can also generate a temporary financial burden that is too heavy, especially if you combine briefings and monthly payments from another credit. Some households then find themselves in a situation of budgetary discomfort, or even tension. However, these risks are greatly reduced when the project is prepared with a realistic estimate, a good knowledge of the market and an expectation of the various possible sales scenarios.

How to limit the risk of having to sell your property?

One of the possible perverse effects of a bridge loan is the temptation to significantly lower the selling price so as not to exceed the term of the credit. To avoid finding yourself in this position, it is essential to sell your property quickly, with a consistent display price and a professional marketing strategy.

Regular reporting with your agent or real estate hunter allows you to monitor the attractiveness of the property and to adjust if necessary, without panicking. In addition, it is useful to simulate several scenarios with your bank, including a conservative scenario where the sale would be made at a price slightly lower than estimated. By projecting yourself into a realistic framework from the start, you keep control of your decisions and avoid experiencing an emergency.

The point of view of a real estate hunter: is a bridge loan right for you?

In the field, we can see that bridge loans can be a great lever for some families and a source of unnecessary stress for others. Everything depends on the market, the quality of the property sold, the financial profile and the life schedule. The role of a real estate hunter is precisely to analyze this global equation to help you determine if the arrangement is relevant in your case.

By combining a detailed reading of the local market, a numerical approach and taking into account your personal situation, it is possible to make an objective decision. The objective is not to make bridge loans a systematic solution, but a wise tool when they are part of a controlled strategy.

Situations where a bridge loan is relevant for a family

The bridge loan is particularly suitable when a family has to move within a limited period of time, for example for a professional transfer or a change of school. It is also true when the property for sale is located in a highly sought-after area, with a usually short selling time and stable prices.

In these cases, the probability of selling under good conditions is high, which secures the financial package. The bridge loan makes perfect sense when the new residence brings a real improvement in life: larger surface area, better location, reduction in travel time. In this context, the tool makes it possible to make the project a reality without multiplying the breaks in the daily life of the family.

When is it best to avoid bridging loans?

Conversely, it may be prudent to avoid bridging loans when the property for sale is very specific, on a narrow market or with major work to be planned. Sales times are then more uncertain and the risk of having to sharply adjust the price downwards increases. If your debt ratio is already high or if your income is likely to decrease in the short term, the financial margin for manoeuvre may also be too limited to support this type of arrangement.

Finally, when you are not pressed for time, a strategy of selling first and then buying later can be more comfortable, even if it sometimes requires a rental phase. It is always better to give up a bridging loan rather than accepting it unnecessarily.

Simple method to objectively decide whether the bridge loan is suitable

To decide calmly, you can rely on a method with four questions. First, is your property located in a market where selling times are reasonable and prices are stable. Second, is the estimate obtained confirmed by several professionals and by recent sales comparisons. Thirdly, does your budget remain balanced even in a slightly less favourable scenario in terms of price or selling time. Fourth, does your life project really justify not waiting for the sale before buying. If you respond positively to these four points, a bridge loan can be a relevant tool. If not, it is useful to rework the project or to consider another type of financing.

FAQ: frequently asked questions about bridging loans

How is the amount of a home bridge loan calculated?

The amount of a bridge loan is calculated from the estimated value of your property for sale, to which the bank applies a security discount. This percentage is generally between 50% and 70% depending on market tension, the type of property and the establishment's policy. The bank also takes into account your overall financial situation, including your current income and debt. The objective is to ensure that you can assume the cost of the relay during the sale without putting your budget at risk. This is why a well-documented file, with serious estimates and a coherent project, increases your chances of obtaining an appropriate amount.

What is the cost of a bridge loan and how can I limit it?

The cost of a bridge loan comes mainly from interest, calculated on the capital borrowed, to which can be added administrative fees and possibly a guarantee. Rates are generally close to traditional mortgage rates, sometimes slightly higher, but over a shorter period of time. You can limit this cost by choosing a suitable term, by avoiding oversizing the relay and by capitalizing the interest only if your cash flow does not allow you to pay them monthly. Negotiating conditions with several banks and presenting a solid project can also contribute to obtaining a better rate. Professional support helps you compare offers in detail, beyond the simple rate displayed.

What happens if my property does not sell on time for the bridge loan?

If your property does not sell on time, the first step is to open a dialogue with your bank to consider extending or converting the bridge loan. Depending on the situation, it may be possible to renegotiate the term or to convert the bridge into conventional amortizable credit. You will then have to check the impact on your debt ratio and your monthly budget. At the same time, it is essential to analyze the reasons for the non-sale of the property: too high price, insufficient presentation, inadequate marketing strategy. Adjusting these parameters with the help of a real estate professional often helps to unblock the situation. In any case, the more you anticipate this scenario, the less difficult it will be to manage.

Should you sell before you buy or use a bridge loan?

The answer depends on your personal situation, market, and risk tolerance. Selling before buying is the most financially prudent solution, because you know exactly how much you have and don't have to put up with a temporary loan. On the other hand, this strategy may require you to go through a rental period, with two moves and sometimes compromises on location or surface area. A bridge loan allows you to avoid these inconveniences, but exposes you to the vagaries of the delay and the selling price. For an owner or a family in transition, the right choice is one that combines living comfort, financial security and consistency with the project schedule. Customized support helps you find this balance point.

What to remember: bridging loans, a powerful tool to handle methodically

A bridge loan is a very effective way to buy before selling, as long as it is considered a strategic tool and not as a simple cash flow facility. It is based on three pillars: a realistic valuation of your property, a well-sized bank arrangement and controlled marketing. To go further, I recommend that you read the article”Mistakes to avoid before buying” which perfectly complements this subject by addressing the frequent pitfalls of acquisition projects (Source: www.mecaza.fr/blog/les-errors-to-avoid-avant d').

Finally, for institutional information on loans and credit, the ANIL and Banque de France sites remain reliable and regularly updated references. By combining these resources with field support, you have all the elements to secure your transition and make bridging loans a real asset.

mélanie experte immobilière

Article rédigé par Mélanie Jacquet,
Experte immobilière du blog MeCaza.

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