VEFA: the completion guarantee (GFA) and delivery explained

Buying a new property as a VEFA (Vente en l'État Futur d'Achèvement, off-plan sale), is often committing to a property that does not yet exist, sometimes no more than a plan and a 3D model. The question that comes up constantly among the buyers we support at JL HOME is entirely reasonable: "What happens if the developer goes bankrupt before the end of construction?" The answer comes down to three letters: the GFA, or completion financial guarantee. In 2026, it remains one of the cornerstones of protection when buying off-plan. Here is the full explanation.

What is the VEFA, in a nutshell?

The VEFA is a contract governed by the French Construction and Housing Code. You become the owner of the land and the buildings as they are erected, and you pay the price through staged calls for funds tied to the progress of the works (foundations, watertight stage, air-tight stage, completion, delivery).

This protective mechanism — you never pay 100 % before receiving the keys — comes with a series of statutory guarantees. The GFA is the keystone of these.

The completion guarantee (garantie financière d'achèvement): what is its purpose?

The completion guarantee (GFA) has a simple but fundamental purpose: to ensure that your home will be completed, even if the developer runs into financial difficulties or goes into liquidation during construction.

In practice, an independent financial body (a bank, a credit institution or an insurance company) gives its undertaking. If the developer defaults, this guarantor:

• either funds the additional cost needed to finish the building,
• or appoints a contractor to complete the works.

You therefore have nothing further to pay beyond the price agreed in the contract to obtain a completed home. This is a major safeguard that sets buying new in VEFA apart from many other investments.

External GFA: the norm in 2026

For several years, the law has required an external guarantee: it is provided by a body independent of the developer (and not solely from its own funds). This is enhanced protection, as it does not depend on the financial health of the property operator itself.

At the signing of the authentic deed before the notary, the GFA must be in place and recorded. This is a point to watch: your notary checks that it is present, but always ask your adviser too.

What the GFA does not cover

Be careful not to mix things up. The GFA covers completion of construction, not defects or compensable delays. Other guarantees take over:

• Perfect completion guarantee (1 year): the builder must remedy defects reported at handover and during the first year.
• Two-year guarantee (2 years): covers the proper functioning of separable equipment (shutters, taps, heating, etc.).
• Ten-year guarantee (10 years): covers damage affecting the structural soundness of the work or rendering it unfit for its purpose.
• Guarantee for apparent defects: defects reported at delivery or within the following month.

The GFA is therefore one component of a coherent set of protections. Together, they make the VEFA a particularly secure legal framework.

The process up to delivery

Understanding the timeline helps you plan with confidence. Here are the main stages we systematically walk through with our clients.

1. Signing the reservation contract

You pay a deposit (regulated and capped according to the signing period). This deposit is held in escrow and is returned to you if certain conditions are not met (failure to obtain a loan, final price exceeding the agreed threshold, etc.).

2. Signing the authentic deed

At the notary's office, you sign the definitive sale deed. The GFA is recorded in it. Good to know: notary fees on new-build property are reduced, generally of the order of 2 to 3 % of the price (to be checked against your file), compared with 7 to 8 % for older property.

3. Calls for funds

You pay in line with progress, on evidence from an inspection body. You never pay in advance for works not yet carried out.

4. Delivery and handing over of the keys

The big day. You carry out a pre-delivery inspection, followed by the formal handover, with a handover report (procès-verbal) in which you record any reservations. The final balance is paid, less any amounts corresponding to reservations where necessary.

A practical example

Take Julie and Karim, first-time buyers in zone B1. They reserve a T3 in VEFA, with delivery planned for 22 months. Halfway through construction, the developer hits financial difficulty. Thanks to the external GFA signed with the deed, a financial guarantor steps in: the works are carried through to completion without them having to pay a single euro more than the contract price. They receive their compliant home and move in.

Without a GFA, this scenario could have turned into a financial disaster. With one, the unexpected remains a mere setback.

How to properly check your protection before buying?

Here is our expert checklist:

1. Insist on the GFA being mentioned in the sale deed — it is mandatory.
2. Identify the guarantor (a recognised bank or insurer).
3. Check the developer's reputation and track record, including its delivered schemes.
4. Read the attached descriptive specification: it sets out precisely what will be delivered (materials, equipment, services).
5. Get support: an adviser specialising in JL HOME and your notary are your best allies.

This protective framework does not depend on any particular tax scheme: it applies to every purchase in VEFA, whether you are buying your main residence (with a possible PTZ, subject to conditions) or investing.

In summary

The completion guarantee turns buying off-plan into a secured transaction: your home will be finished, whatever happens to the developer. Combined with the perfect completion, two-year and ten-year guarantees, it makes the VEFA one of the most protective acquisition routes in France.

These rules change, and certain amounts (notary fees, PTZ ceilings) depend on your situation and your zone. Before committing, take stock with a professional.

Want to see clearly about your new-build project? Book an appointment with a JL HOME adviser or start your free simulation: together we will check your guarantees, your financing and your eligibility, with full transparency.