Chatswood Family Lawyers

Prenuptial & Binding Financial Agreements Lawyers Sydney

A prenuptial agreement, legally known in Australia as a Binding Financial Agreement (BFA), sets out how assets and finances will be divided if a marriage or de facto relationship ends. Prenuptial Agreements Lawyer Sydney couples can engage to draft, review, or challenge a BFA to ensure it’s legally valid and properly protects their interests.

What is a Prenuptial Agreement?

Put simply, a prenuptial agreement is a legally binding financial agreement that two potential spouses enter into and sign in anticipation of their upcoming marriage. A prenuptial agreement will usually spell out in detail what division of assets and property the parties agree to in the event the parties separate.

A prenuptial agreement can also specify whether one party will receive spousal maintenance from the other and, if so, in what amount and under what circumstances.

A well-drafted prenup can help:

  • Protect pre-marriage assets, businesses, or inheritance
  • Clarify financial responsibilities during the marriage
  • Reduce disputes and legal costs in case of separation
  • Provide security for children from previous relationships

What Is a Binding Financial Agreement in Sydney? Prenup vs BFA

In Australia, there’s no legal difference between a “prenup” and a Binding Financial Agreement. Prenup vs BFA is really just a naming distinction: “prenuptial agreement” describes an agreement signed before marriage, while “BFA” is the umbrella legal term covering agreements made before, during, or after a relationship, and for de facto couples as well as married ones.

A BFA can be entered into at four points:

  • Before marriage (prenuptial agreement)
  • During marriage (postnuptial agreement)
  • During a de facto relationship
  • After separation, to formalise a settlement

What Does a Prenuptial Agreement Cover in Sydney?

A prenuptial agreement Sydney couples draft can cover:

  • Division of property, savings, and investments
  • Treatment of business interests, inheritances, and pre-relationship assets
  • Spousal maintenance entitlements, including amount and circumstances
  • Superannuation
  • Debts and financial liabilities

Who Should Consider a Prenuptial Agreement?

Prenuptial agreements are not just for the wealthy. They are valuable for anyone who wants financial clarity and protection.

You may benefit from a prenup if:

  • You own a business or have significant financial investments
  • You expect to receive an inheritance or family wealth
  • You have children from a previous relationship and want to protect their inheritance
  • You and your partner have significantly different financial situations
  • You own property before marriage or want to protect future earnings


If any of these apply to you, a prenuptial agreement can provide financial security and prevent future uncertainty.

Prenuptial Agreement After Marriage & De Facto Prenuptial Agreements

A prenuptial agreement after marriage Sydney couples sign, is technically a postnuptial agreement, but it functions the same way as a prenup, covering the same financial matters and requiring the same legal safeguards. It’s a common option for couples who didn’t formalise an agreement before the wedding but want financial clarity later.

De facto couples can also enter a de facto prenuptial agreement Sydney lawyers draft, with the same legal requirements as a married couple’s BFA: full disclosure, independent legal advice, and no pressure or rushed timing. There’s no minimum relationship length required to sign one, unlike some other de facto legal protections.

Are Prenuptial Agreements Legal in Australia?

Yes, prenuptial agreements are legally valid in Australia under the Family Law Act 1975, provided they’re drafted correctly. To be enforceable, an agreement must generally include:

  • Full and frank financial disclosure from both parties
  • Independent legal advice for each party before signing
  • Reasonable time to review the terms, not signed under pressure close to the wedding date

 

Agreements that skip these requirements are at real risk of being set aside if challenged in court. Legal costs for a properly drafted binding financial agreement Sydney couples use typically range from around $3,000 to $10,000 or more, depending on the complexity of the asset pool and whether business interests or trusts are involved.

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    The Process of Drafting a Prenuptial Agreement

    Step 1: Initial Consultation

    We discuss your financial situation and what you want to protect.

    Step 2: Full Financial Disclosure

    Both partners disclose their assets, liabilities, and income. 

    Step 3: Drafting the Agreement

    We create a legally sound prenup tailored to your needs. 

    Step 4: Independent Legal Advice

    Each party must receive legal advice before signing. 

    Step 5: Signing & Finalisation

    Once both parties agree, the document is legally binding. 

    What Happens If One Party Refuses to Sign a Prenuptial Agreement?

    If your partner refuses to sign, the agreement simply doesn’t proceed. It’s not something that can be legally forced or presented as an ultimatum close to the wedding, since agreements signed under pressure or without adequate time to review are more likely to be challenged and set aside later. Discussing a prenup early, with both parties receiving proper legal advice, gives the process the best chance of resulting in an enforceable agreement.

    What Happens If You Don’t Have a Prenuptial Agreement?

    Without a prenup, your assets will be divided according to Australian family law principles in the event of separation. This means:

    • Courts will assess financial contributions (income, property, business assets) and non-financial contributions (raising children, homemaking, etc.).
    • A lengthy and costly legal process may be required to reach a financial settlement.
    • Assets, including businesses or inherited property, may be subject to division.


    A prenuptial agreement gives you more control over financial decisions and reduces uncertainty in case of separation.

    Is a Prenuptial Agreement Signed Overseas Valid in Australia?

    Not automatically. A prenuptial agreement signed in another country isn’t guaranteed to meet the requirements of Australia’s Family Law Act, and an Australian court isn’t obliged to enforce it.

    If you’ve signed an agreement overseas and later move to Australia or separate here, it’s worth having an Australian family lawyer review it, since it may need to be redrafted or supplemented to be enforceable locally.

    Do I Need a Lawyer to Represent Me?

    Whether you’re interested in drafting a prenuptial agreement or your spouse has presented you with one, an experienced family lawyer can help you understand and protect your rights. A lawyer with knowledge of family law can look for any potential issues and help ensure that your prenuptial agreement contains the necessary language and requirements to protect your assets appropriately.

    Many prenuptial agreements do not stand up in court, and it’s not uncommon for ex-spouses to challenge them. Accordingly, drafting your prenup with the help of an experienced family lawyer can help you prepare for and safeguard against potential legal disputes during the divorce.

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    Contact Our Chatswood Prenuptial Agreement Lawyer Today​

    Before you sign on any dotted line or rush down the aisle, allow one of our Chatswood prenuptial agreement lawyers to help ensure that your “happily ever after” moment will not turn into a future “what was I thinking?”

    Contact Chatswood Family Lawyers online, by email at enquiries@chatswoodfamilylawyers.com.au or by phone at (02) 9412 4500 for experienced assistance.

    FREQUENTLY ASKED QUESTIONS

    Yes, provided they meet the Family Law Act’s requirements: full financial disclosure, independent legal advice for both parties, and no undue pressure or rushed timing before signing.

    Yes. Both parties can agree to vary or terminate an existing BFA at any time, but this requires a new written agreement meeting the same legal requirements, including independent legal advice.

    Yes. De facto couples can enter a Binding Financial Agreement at any stage of their relationship, with the same legal requirements as married couples, regardless of how long they’ve been together.

    Yes, though only in limited circumstances such as fraud, duress, one party failing to disclose assets honestly, or the agreement becoming impractical due to a significant change in circumstances.