Power of Attorney to Sell Real Property: Guide 2026

Selling real property involves physical presence at the time of signing the authentic deed at the notary's office. When the owner cannot or does not wish to travel — expatriation, illness, professional unavailability — the power of attorney to sell real property becomes essential. This legal document, governed by article 1985 of the Civil Code, allows delegation of transfer powers to a trusted representative. This article details the conditions of validity, the hierarchy of possible forms, the risks in case of formal defects, and compliant digital tools that facilitate mandates connected to real property transactions.

Why the real property power of attorney must be notarised

Article 1985 of the Civil Code provides that "a mandate may be given by authentic deed or by deed under private seal, even by letter; it may also be given orally". However, it immediately specifies that the form of the power of attorney must be at least equivalent to that of the deed to which it relates. Now, in French real property law, the sale of an immovable is mandatorily recorded by notarised authentic deed (article 1 of the Law of 25 Ventôse Year XI). This results in a cardinal rule: the power of attorney to sell real property must itself be received in authentic form before a notary.

A power of attorney under private seal, even if duly signed, would be unenforceable against third parties and would not permit the notary to regularise the deed of sale. This is why notaries systematically refuse to proceed with a signature if the presented mandate was not established by a notarial colleague or by an authorised consular authority.

The inescapable legal foundations

Three founding texts govern the matter:

• Article 1984 of the Civil Code: definition of mandate as the contract by which one person gives another the power to do something in their name and for their account.
• Article 1985 of the Civil Code: rule of parallelism of forms between the mandate and the principal deed.
• Ordinance of 2 November 1945 and Decree of 26 November 1971 relating to the status of the notariate, which define the conditions under which authenticity is conferred upon a deed.

These texts form a coherent system: any power of attorney that escapes authentic form for a deed transferring real property ownership is struck with relative nullity, invocable by the injured parties.

Consular power of attorney: alternative abroad

When the mandator resides outside France, travelling to a French notary is not always possible. Two solutions exist:

1. The power of attorney received by the local notary in the country of residence, subject to an apostille compliant with the Hague Convention of 5 October 1961 and, if necessary, a certified translation.
2. The consular power of attorney, established in French consulates or embassies abroad, whose diplomatic agents have a delegation of notarial power for deeds affecting French nationals.

In both cases, the original or a certified copy must reach the French notary before the signing date.

Mandatory content of a valid real property power of attorney

A power of attorney to sell real property must be special — that is, precisely identifying the property being transferred and the delegated powers — and not general. A general management power of attorney does not automatically confer the power to sell an immovable, as the Court of Cassation reminded us (3rd Civ., 15 October 2015, no. 14-23.612).

Essential mentions

The notarised deed of power of attorney must mention:

• The complete identity of the mandator (surname, first name, date and place of birth, address, marital status).
• The complete identity of the representative (same information).
• The precise cadastral designation of the property: municipality, section, plot number, area, nature (land, apartment, house), exact address.
• The minimum price or, failing that, the methods of price determination and accepted suspensive conditions (financing clause, etc.).
• The duration of validity of the mandate: generally 12 months, renewable.
• The ancillary powers: sign the compromise or promise to sell, receive the guarantee deposit, accomplish all cadastral and mortgage formalities.

Restrictions and limits of the mandate

The mandator may limit the powers of the representative: prohibit sale below a minimum price, exclude certain types of purchasers, or restrict payment methods. These restrictions are enforceable against third parties provided they are expressly mentioned in the deed. Failing this, the representative who exceeds their powers engages their personal liability without the sale necessarily being voidable if the purchaser was in good faith (article 1156 of the Civil Code).

Practical procedure: from drafting to final signature

The process for obtaining a notarised power of attorney follows a marked path that deserves to be organised before any serious negotiation.

Step 1: Contact your chosen notary

The mandator contacts a notary — theirs or the purchaser's — who drafts the proposed power of attorney deed. The notary verifies the legal capacity of the mandator (majority, absence of guardianship or curatorship measures) and the absence of any unresolved co-ownership of the property.

Step 2: Signature of the power of attorney

The mandator signs before a notary, in person. If the power of attorney is executed abroad, the local notary or consul collects the signature. The deed is then sent, under secure cover or by certified electronic means according to local legislation, to the instrumentary notary in France.

Step 3: Control by the instrumentary notary

Before signing the deed of sale, the instrumentary notary ensures the formal regularity of the power of attorney, its scope (does it cover the sale of the property concerned?), and its temporal validity (has it not expired?). In case of doubt, they request confirmation or renewal.

Step 4: Signature of the deed of sale

The representative appears at the notary's office on the day of sale, with the original power of attorney and a valid identity document. They sign the authentic deed in place of the seller, strictly within the limits of their delegated powers.

For preparatory acts — compromise, unilateral promise to sell — electronic signature in real estate may be used provided the notary or real estate agent employs a qualified trust services provider within the meaning of the eIDAS regulation. Certyneo notably offers an advanced signature compliant for private deed acts prior to the sale.

Special cases: co-ownership, SCI and dismemberment

The real property power of attorney takes on added dimension in situations of multiple owners or complex patrimonial structures.

Sale of property in co-ownership

In case of co-ownership, each co-owner must give their consent to the sale (article 815-3 of the Civil Code). If one cannot be present, they must establish a notarised power of attorney individually. Failing unanimous agreement, judicial authorisation may be sought. For routine management acts and management of representation mandates, secure digital solutions allow for smoother circulation of documents among geographically dispersed co-owners.

Sale by an SCI

When the property belongs to a real estate civil company (SCI), it is the statutorily designated manager who holds the power to sell. But if the articles require a collective decision of associates, a general assembly must previously authorise it. The power of attorney granted to a third party by the manager must then rely on a regular resolution, a copy of which is appended to the deed of sale. Electronic signature for law firms offers useful traceability here for assembly minutes and representation mandates.

Sale of property in usufruct or bare ownership

The transfer of full ownership of a dismembered property requires the joint consent of the usufructuary and the bare owner. Each may appoint a representative by separate notarised power of attorney. The respective prices of usufruct and bare ownership are then calculated according to the tax scale provided for in article 669 of the General Tax Code.

Digital alternatives for acts preparatory to the sale

If the sale itself imperatively requires an authentic deed, several preparatory documents may validly resort to qualified or advanced electronic signature.

Promise and compromise of sale

The unilateral promise to sell and the compromise (or bilateral promise) are deeds under private seal. They may be signed electronically, provided a suitable level of signature is used. The Paris Chamber of Notaries confirmed in 2023 that pre-contract real estate deeds signed via an eIDAS-approved platform are valid and enforceable. Tools such as the complete guide to electronic signature allow understanding the Simple, Advanced and Qualified signature levels applicable.

Real estate agency mandates

The sales mandate entrusted to a real estate agent (Hoguet Law of 2 January 1970) is a deed under private seal that may be signed electronically, including with a simple signature, provided the agent retains proof of compliant acceptance. To learn more about the comparison of electronic signature solutions, Certyneo offers detailed analysis of available offerings on the French market.

Remote notarial deeds: notarial videoconferencing

Since the decree of 20 November 2020, notaries may receive authentic deeds remotely using videoconferencing, provided the safety conditions set by the Higher Council of Notaries are met. This advance considerably reduces the need for consular powers of attorney for French nationals abroad. The power of attorney remains necessary, however, when the mandator refuses or cannot participate in a secure videoconference. To calculate the potential savings from digitalisation, Certyneo's electronic signature ROI calculator provides personalised estimation.

Revocation and extinction of the mandate

The power of attorney may be revoked at any time by the mandator, before the representative has accomplished the act for which they received power (article 2003 of the Civil Code). Revocation must be notified to the representative and, to be enforceable against third parties, brought to the attention of the instrumentary notary. It also terminates automatically by death, placing under guardianship or curatorship, or financial collapse of the mandator or representative.

Legal framework applicable to the real property power of attorney

The power of attorney to sell real property falls within a dense normative framework that articulates civil law, notarial law and, increasingly, digital law.

Civil Code — foundational articles

• Article 1984: defines the mandate contract as the agreement by which the mandator grants the representative the power to act in their name and for their account. The power of attorney is its material instrument.
• Article 1985: sets the rule of form parallelism — the power of attorney must take at least the same form as the deed to which it relates. Applied to real property sales, this imposes authentic form.
• Article 1987: recalls that special power of attorney is required when it concerns a disposal act (sale, gift, mortgage creation).
• Articles 2003 to 2010: govern the end of the mandate (revocation, death, incapacity) and the effects of revocation with respect to third parties.
• Article 815-3: in case of co-ownership, requires unanimous consent of co-owners for disposal acts.

Notarial law

• Law of 25 Ventôse Year XI (16 March 1803): founds the notarial monopoly for authentic deeds in France, including real property transfers.
• Decree no. 71-941 of 26 November 1971 relating to deeds executed by notaries, notably the form of copies and originals.
• Decree no. 2020-1422 of 20 November 2020: introduction of remote authentic deed by secure videoconference.

Electronic signature and digitalisation

• eIDAS Regulation no. 910/2014 (EU): establishes the three levels of electronic signature (simple, advanced, qualified) and their legal value. Qualified signature is presumed equivalent to manuscript signature. Applicable to private deed acts preparatory to the sale.
• Article 1366 of the Civil Code: consecrates the probative value of electronic writing provided the author can be duly identified and its integrity guaranteed.
• Article 1367 of the Civil Code: defines electronic signature as the unfalsifiable mark of the signatory's consent.

Legal risks

A power of attorney defective in form exposes the seller to an action for nullity of the sale, susceptible of being brought within 5 years (article 2224 of the Civil Code). The evicted purchaser may claim damages. The notary who executes a deed on the basis of an insufficient power of attorney engages their civil professional liability, guaranteed by the mandatory insurance of the Chamber of Notaries. Finally, in case of fraud — identity usurpation or falsification of power of attorney — the criminal sanctions of articles 313-1 (fraud) and 441-1 (forgery in writing) of the Criminal Code apply, with penalties reaching up to 7 years imprisonment and €750,000 fine.

Usage scenarios: the real property power of attorney in practice

Scenario 1: an expatriate owner sells their Parisian apartment

A property owner residing for three years in South-East Asia wishes to sell their two-bedroom apartment located in a French city. They cannot return to France to sign the deed of sale within the timeframe agreed with the purchaser. They contact the nearest French consulate general to their place of residence, schedule an appointment and there sign a consular notarised power of attorney designating their brother as representative with authority to sign the deed of sale at a defined minimum price. The power of attorney is apostilled, scanned in high resolution and transmitted by secure means to the instrumentary notary in France, who receives the original by international registered mail 10 days before signing. The total processing time is 18 days, versus 45 days estimated if the owner had needed to arrange travel. The cost saving from travel and accommodation is estimated between €2,500 and €4,000.

Scenario 2: sale of property in co-ownership among heirs residing in three different countries

Four heirs share in co-ownership a house acquired under succession. Two reside in France, one in Belgium and one in Canada. To avoid gathering the four signers in the same notary's office, two consular powers of attorney are established in Brussels and Montreal. The two French heirs sign in person at the instrumentary notary. The designated representatives (one of the heirs present in France for the Belgian heir; a mutual friend for the Canadian heir) present themselves with the authentic powers. The sale is completed in a single appointment. Without this arrangement, coordination delays would have postponed the sale by 3 to 6 months according to usual notarial estimates for this type of case, with an additional cost of co-ownership fees and land taxes potentially exceeding €3,000.

Scenario 3: a family SCI sells a commercial space via a mandated manager

A civil real estate company holding a 180 m² commercial space decides to transfer the property following an extraordinary general assembly authorising the sale with unanimous consent of associates. The SCI manager, alone possessing the power to represent the company, delegates this power by notarised power of attorney to an associate-co-manager due to scheduled hospitalisation. The power of attorney is special — limited to the sale of this sole property, at a minimum price and within 6 months — and appends the assembly minutes. The instrumentary notary accepts the file without reservation. The fluidity of the process allowed the previously signed promise to sell to be honoured without penalty delay, saving the SCI the contractual immobilisation indemnities (approximately 1% of the expected sale price, representing several thousand euros in this case).

Conclusion

The power of attorney to sell real property is much more than administrative formality: it is a legal act whose validity conditions that of the sale itself. Article 1985 of the Civil Code unambiguously imposes authentic notarised form, whether the mandator is in France or abroad. Respecting form parallelism, precisely detailing the delegated powers and verifying the validity period of the deed are the three pillars of an unassailable power of attorney.

If the final sale always requires a notarial deed, preparatory steps — compromise, agency mandates, SCI manager authorisations — may now be digitalised thanks to eIDAS-compliant electronic signature. Certyneo supports real estate professionals, notarial firms and investors in this digital transition with certified tools and an interface designed for multi-signatory acts.

Ready to secure your mandates and real estate documents? Discover Certyneo's offerings and request a free demonstration today.