Is an NDA signed after the viewing worth anything?

Little for the property, something for you. The information is already out and cannot be recalled; what remains is a contractual basis for acting if that person misuses it — approaching the owner directly, for instance. Which is why a non-circumvention clause signed late still has value, while a confidentiality clause signed late has much less.

Can another agent sign on their client’s behalf?

Yes, and it is standard practice in collaborations. The document must state explicitly that the agent also answers for the conduct of whoever they represent, otherwise the obligation stops with them and the client is free. This is the point most often missing from templates found online.

How long should it run?

Beyond the negotiation. Twenty-four months from signature is the market standard for confidential transactions, because breaches almost always emerge later — when the property is resold, or when it turns out someone dealt directly. A term tied to the close of the negotiation leaves exactly the critical period uncovered.

Is it needed even with someone I know well?

Yes, and not out of distrust: the obligation covers not only them but anyone who receives the information through them. Someone entirely trustworthy may mention it in good faith to their accountant, who mentions it to a client. The document exists to make explicit that this information does not travel.

When should a real estate NDA be signed to be worth anything?

Before the other side receives anything identifiable: address, recognisable photographs, land registry details. An agreement signed after the file has already circulated does not protect the property — it protects whoever had it signed, in a later dispute. The order that works is: description with nothing identifying, signature, then the full file. The document must identify the property between the parties, bind anyone receiving it on a client’s behalf, include a non-circumvention clause, and outlast the negotiation — twenty-four months is the market standard.

What it must contain

The subject, identified without being public

The property must be described so that the parties cannot mistake which one it is, without the document itself becoming a circulating file. An internal reference plus the essential characteristics is usually enough.

Who is bound

Not only the signatory: their staff, their clients, and anyone receiving the information through them. An agent signing on a buyer’s behalf must answer for the buyer’s conduct too, or the chain breaks at the first step.

What may be done with the information

Assess the purchase, and nothing else. Explicitly exclude using it to contact the owner, to offer the property to others, or to build a competing bid on a similar asset.

The non-circumvention clause

Anyone who learns of the property through you may not deal with the owner directly and cut you out, for the agreed period. Without it the agreement protects the information but not your work, and those are two different things.

The term

It must outlast the negotiation, because a breach almost always surfaces later: twenty-four months from signature is the standard we use. An agreement expiring when the negotiation closes is absent exactly when it is needed.

What happens on breach

A fixed penalty, or at least a method for calculating one. Otherwise all that remains is damages, which must be proved — and proving the harm from information that has spread is close to impossible.

What an NDA does not protect

Worth stating, because the document creates a sense of security that lowers your guard exactly where it should stay up.

It does not cover those who never signed

If the file reaches twenty agents and three forward it to their clients without having anything signed, your agreement with those three does not reach the clients.

It does not cover what was already public

A property that sat in a window two years ago does not become confidential because you now have a document signed.

It does not cover word of mouth you cannot prove

Confidentiality is made by the number of people who got as far as the address, and that number is decided before any signature.

Levels of disclosure

The working rule is to give, at each step, the minimum needed to decide whether to go further.

First level, no signature:

Type, price bracket, wide area, the two or three characteristics that matter. No address, no recognisable photograph, no registry details.

Second level, after signature:

Address, photographs, floor plans, documentation. This is also where ability to pay is verified, normally requested alongside the signature.

Third level, after verification:

The viewing, and the due diligence documents.

How Realux works

In Realux a confidential property has no circulating file: a compatible party sees that a match exists — characteristics and bracket — not the address or identifying photographs. The full details open after the agreement, and there is a record of who received what.

The paperwork is ready and fills in with the agency’s own details: confidentiality agreement, non-circumvention clause, off-market mandate. The terms between the two agents — commission split and the ban on dealing directly — are set before the introduction, not negotiated after.

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Frequently asked questions

Is an NDA signed after the viewing worth anything?: Little for the property, something for you. The information is already out and cannot be recalled; what remains is a contractual basis for acting if that person misuses it — approaching the owner directly, for instance. Which is why a non-circumvention clause signed late still has value, while a confidentiality clause signed late has much less.
Can another agent sign on their client’s behalf?: Yes, and it is standard practice in collaborations. The document must state explicitly that the agent also answers for the conduct of whoever they represent, otherwise the obligation stops with them and the client is free. This is the point most often missing from templates found online.
How long should it run?: Beyond the negotiation. Twenty-four months from signature is the market standard for confidential transactions, because breaches almost always emerge later — when the property is resold, or when it turns out someone dealt directly. A term tied to the close of the negotiation leaves exactly the critical period uncovered.
Is it needed even with someone I know well?: Yes, and not out of distrust: the obligation covers not only them but anyone who receives the information through them. Someone entirely trustworthy may mention it in good faith to their accountant, who mentions it to a client. The document exists to make explicit that this information does not travel.