Selling a property as a life annuity (viager) means transferring ownership while receiving an immediate lump sum, known as the bouquet, followed by regular annuity payments until the seller's death.

This type of sale, often chosen by older homeowners looking to supplement their income, is based on a precise calculation combining the property's value, the seller's age and statistical life expectancy.

The amount of the bouquet and the annuity cannot be determined arbitrarily: they are based on an actuarial method that is essential to understand before committing to the transaction. This article explains the principles of occupied and vacant-possession life annuity sales, how the bouquet and annuity are calculated, and the precautions required to secure the transaction.

Key Takeaways

• Selling as a life annuity means receiving an initial bouquet followed by a lifetime annuity until the seller's death, in exchange for transferring ownership.

• An occupied life annuity sale (viager occupé), the most common option, allows the seller to continue living in the property; a vacant-possession life annuity sale (viager libre) allows the buyer to use it immediately.

• The bouquet and annuity are calculated based on the property's value, the seller's age and life expectancy, using actuarial tables.

• An occupied life annuity sale involves a discount on the property's value to account for the seller's retained right of use.

• Safeguards such as a termination clause, security over the property and annuity indexation protect the seller in the event of non-payment.

• Life annuity buyers are most often investors willing to accept longevity risk in order to build property wealth with a lower initial cash outlay.

How a Life Annuity Sale Works: Bouquet, Annuity and Right of Use

Selling as a life annuity involves transferring ownership of a property to a buyer, known as the débirentier, in exchange for an initial lump-sum payment—the bouquet—followed by periodic annuity payments, which may be monthly, quarterly or annual, until the death of the seller, known as the crédirentier.

Unlike a conventional sale, the total price ultimately paid by the buyer is never known in advance: it depends on how long the seller actually lives. This uncertainty, known as longevity risk (aléa viager), is the defining legal characteristic of the contract and distinguishes it from a conventional fixed-term property sale.

The bouquet is not legally mandatory, but it is included in almost all life annuity sales. It generally represents between 20% and 40% of the property's value, with the balance converted into an annuity.

The seller may also choose not to receive a bouquet and instead convert the property's entire value into an annuity, thereby increasing the amount of the periodic payments.

Occupied Life Annuity: The Most Common Option

In an occupied life annuity sale, the seller retains a right of use and occupation (droit d'usage et d'habitation – DUH) over the property. This means they can continue living there, sometimes until their death, even though ownership has already been transferred.

This is the option chosen in the vast majority of life annuity sales because it allows sellers to remain in their home while receiving additional income.

In return for this retained right, a discount is applied to the property's value based on the seller's age: the younger the seller, the greater the discount, because the buyer is statistically likely to wait longer before obtaining full use of the property.

Vacant-Possession Life Annuity: An Immediate Property Investment

In a vacant-possession life annuity sale, the buyer can occupy or rent out the property immediately after signing the deed, as the seller no longer lives there.

This less common arrangement is suited to sellers who have already left their home, for example to live with a relative or move into a senior residence.

The bouquet and annuity are therefore higher because there is no discount for a retained right of use. However, the buyer immediately assumes responsibility for occupying or renting out the property.

How Is the Bouquet Calculated?

The bouquet calculation starts with the property's vacant market value, meaning the price it would achieve on the market if sold without an occupant.

This reference value must be determined carefully. An online property valuation provides a useful starting point before entering into negotiations.

Two successive adjustments are then made:

• In an occupied life annuity sale, an occupancy discount is applied. It depends on the seller's age at the time of signing and follows actuarial principles: the longer the seller's statistical life expectancy, the greater the discount because the buyer is expected to wait longer before obtaining full use of the property. For example, a 75-year-old seller might have a discount of around 30% to 40% applied to the vacant market value, compared with a lower discount for an 85-year-old seller.

• The amount obtained after the discount represents the property's occupied value. This value is then divided between the bouquet and the capital used to calculate the annuity, according to the proportion agreed between the parties.

A numerical example helps illustrate how this works.

For a property with a vacant market value of €300,000, occupied by a 78-year-old seller, the occupancy discount could reduce the occupied value to around €180,000.

If the parties agree on a bouquet representing 30% of this amount, the seller would receive approximately €54,000 upfront, with the remaining €126,000 forming the capital used to calculate the annuity.

How Is the Life Annuity Calculated?

The life annuity is calculated by converting the remaining capital—the occupied value minus the bouquet—into periodic payments using mortality tables and yield rates used by insurers and notaries specialising in life annuity sales.

This actuarial calculation takes into account the seller's age at the date of the sale and their average statistical life expectancy, without making any assumption about how long the individual will actually live.

In practice, the older the seller, the higher the monthly annuity for the same amount of capital, because their remaining statistical life expectancy is shorter.

Using the previous example, capital of €126,000 converted into an annuity for a 78-year-old seller could generate monthly payments of around €800 to €1,000, depending on the actuarial tables used, the seller's sex and the discount rates applicable at the time of the sale.

It is also possible to arrange a joint-life annuity, sometimes referred to as a reversible annuity, when the property belongs to a couple.

In this case, payments continue to the surviving partner after the death of the first annuitant. The initial annuity is therefore generally lower to account for the potentially longer payment period.

Benefits of Selling as a Life Annuity for the Seller

Selling as a life annuity can be particularly attractive for older homeowners who want to secure their financial situation later in life without leaving their home.

The initial bouquet can be used to finance a one-off project—renovation work, helping a family member or travelling—while the annuity provides regular additional income alongside the seller's pension. It is often adjusted annually through an indexation clause.

Being able to remain in the property is often the decisive advantage.

Unlike a conventional sale followed by a move, an occupied life annuity allows the seller to remain in familiar surroundings while generating income from their property assets.

This differs from situations where leaving the home is unavoidable, for example when a parent moves into a nursing home. In that situation, as the property is vacant, a conventional sale or vacant-possession life annuity may generally be more suitable than an occupied life annuity.

From a tax perspective, part of the life annuity received is subject to income tax, with the taxable proportion depending on the annuitant's age when the first payment is made.

The older the seller is when the annuity begins, the smaller the taxable proportion. This specific tax treatment should be checked with a tax professional at the time of the sale, as the applicable rules may change.

Why Do Buyers Invest in Life Annuity Properties?

Life annuity buyers are generally private investors or, in some cases, specialised investment structures willing to accept longevity risk.

For the buyer, the main advantage is being able to acquire property through payments spread over time, without necessarily taking out a conventional mortgage for the full purchase price.

The bouquet is generally lower than the initial cash contribution required for a conventional purchase, while the monthly annuity may be lower than equivalent mortgage repayments. This can appeal to investors who do not want to take on significant debt.

The financial outcome depends on how long the annuity is paid.

If the seller dies before reaching their statistical life expectancy, the transaction may prove financially advantageous for the buyer. If the seller lives longer than expected, the total cost may exceed the property's original vacant market value.

This uncertainty is precisely what distinguishes a life annuity sale from a conventional property loan and explains why some investors diversify across several life annuity properties to spread longevity risk.

Buyers generally browse Optimhome advisors' property listings to identify properties offered as life annuity sales in their chosen area before comparing opportunities based on the seller's age, location and bouquet amount.

Precautions to Take When Securing a Life Annuity Sale

The main risk for the seller is that the buyer may stop paying the annuity over the years.

Several safeguards can be included in the notarial deed:

• A termination clause (clause résolutoire), allowing the seller to recover ownership of the property if the buyer stops paying the annuity after a formal notice remains unanswered.

• A mortgage or seller's security interest registered against the property, giving the seller priority in recovering unpaid amounts if the property has to be sold following the buyer's default.

• Contractual indexation of the annuity, generally based on an official index, to preserve its purchasing power against inflation throughout a contract that may last 15 or 20 years.

Before determining these terms, it is useful to compare the actual cost of a conventional property sale with that of a life annuity sale, as notarial costs, mandatory surveys and taxation can differ significantly between the two arrangements.

Similarly, if the property has visible defects, their impact on negotiations should be anticipated. Selling a property with issues such as cracks, damp or termites requires the buyer to be fully informed, whether the property is sold conventionally or as a life annuity. Otherwise, the agreed price or annuity may later be challenged.

Finally, all mandatory technical surveys should be completed before signing.

The deed should also clearly define how costs such as property tax, major repairs and insurance are divided between the occupying seller and the new owner to prevent future disputes.

Work with an Optimhome Real Estate Advisor to Sell as a Life Annuity

Setting the right bouquet and annuity requires expertise combining property valuation, actuarial calculations and the legal drafting of the deed.

A local Optimhome real estate advisor can help establish a realistic vacant market value, negotiate how the price is divided between the bouquet and annuity, and work with the notary to secure the appropriate guarantee clauses.

Working with a professional network also helps present the property to buyers who are already familiar with this type of transaction rather than limiting its exposure to a small audience.

Before taking any further steps, having the property valued provides a clear financial basis for discussions with potential buyers and allows the financial structure of the life annuity sale to be adjusted accordingly.

Conclusion

Selling as a life annuity makes it possible to combine remaining in your home with receiving regular additional income, provided you fully understand how the bouquet and annuity work.

• The bouquet and annuity depend primarily on the property's vacant market value, the seller's age and their statistical life expectancy.

• The occupied life annuity, with its occupancy discount, remains the most common arrangement, while the vacant-possession option is better suited to properties that are already unoccupied.

• Contractual safeguards such as termination clauses, security over the property and indexation are essential to protect annuity payments over the long term.

• Life annuity buyers are mainly investors willing to accept longevity risk in exchange for acquiring property through payments spread over time.

• Working with a property professional helps avoid calculation errors and provides greater legal security throughout the transaction.

Seeking advice from an experienced professional from the earliest stages remains the best way to approach a life annuity sale with confidence.

FAQ

What Is the Difference Between an Occupied and Vacant-Possession Life Annuity?

In an occupied life annuity, the seller retains a right of use and occupation and continues to live in the property, resulting in a discount on its value.

In a vacant-possession life annuity, the buyer can occupy or rent out the property immediately. There is no discount linked to a retained right of use, but the bouquet and annuity are generally higher.

Is the Bouquet Mandatory When Selling as a Life Annuity?

No. The bouquet is not a legal requirement.

Some sellers choose to convert the property's entire value into an annuity without receiving an initial lump sum. This increases the periodic payments but means the seller does not receive immediately available capital at the beginning of the transaction.

What Happens if the Buyer Stops Paying the Annuity?

If the deed contains a termination clause, the seller can seek termination of the sale and recover full ownership of the property after an unsuccessful formal notice.

Registering a mortgage or seller's security interest can also strengthen the seller's position if the buyer defaults.

What Happens to the Annuity if the Seller Lives Longer Than Expected?

The life annuity remains payable until the seller's death, regardless of how long the payments ultimately continue.

This uncertainty is a defining feature of a life annuity contract. If the seller lives beyond the statistical life expectancy used for the original calculation, the buyer must continue paying the annuity without any reduction, unless the parties mutually agree otherwise.

Is a Life Annuity Taxable?

Yes. A proportion of the annuity received is subject to income tax, with an allowance determined by the annuitant's age when the first annuity payment is made.

The older the seller is at that time, the smaller the taxable proportion of the annuity.

Can a Couple Sell a Property as a Life Annuity?

Yes. A joint-life or reversible annuity can be arranged so that payments continue to the surviving partner after the death of the first annuitant.

The initial annuity is calculated to reflect this potentially longer payment period and is therefore generally lower than an annuity based on a single life.

Should You Have Your Property Valued Before Selling as a Life Annuity?

Yes. The property's vacant market value is the starting point for calculating both the bouquet and the annuity.

A professional valuation provides a reliable basis for negotiations before applying the occupancy discount and dividing the resulting value between the bouquet and the annuity.

Author :

​Fabrice DOBRO​WOLSKI - Optimhome Network Development Director

Optimhome offers you personalized support for your real estate project. Benefit from all my advice, based on several years of experience, to ensure the success of your project.