{"id":19081,"date":"2026-10-21T15:53:39","date_gmt":"2026-10-21T04:53:39","guid":{"rendered":"https:\/\/chuatan.com.au\/binding-financial-agreements-prenups-australia-guide\/"},"modified":"2026-10-21T17:33:54","modified_gmt":"2026-10-21T06:33:54","slug":"binding-financial-agreements-prenups-australia-guide","status":"publish","type":"post","link":"https:\/\/chuatan.com.au\/en\/binding-financial-agreements-prenups-australia-guide\/","title":{"rendered":"Binding Financial Agreements (Prenups) in Australia: A Complete Guide"},"content":{"rendered":"<div class=\"ct-article\" data-no-translation>\n<p>A binding financial agreement, often called a prenup, is a written agreement between a couple about how their property, finances and superannuation will be divided if the relationship ends. It is made under the federal <em>Family Law Act 1975<\/em> (Cth) and applies to married and de facto couples across Australia. Done properly, it lets a couple decide these questions themselves instead of leaving them to a court.<\/p>\n\n<h2>When can you make one?<\/h2>\n<ul>\n<li><strong>Before marriage or before living together.<\/strong> This is the classic prenup.<\/li>\n<li><strong>During the relationship.<\/strong> Couples sometimes sign one after an inheritance, a business purchase or a move to Australia.<\/li>\n<li><strong>After separation or divorce.<\/strong> A separation agreement can finalise a property settlement without court orders.<\/li>\n<\/ul>\n\n<h2>Who usually signs one?<\/h2>\n<ul>\n<li>People bringing significant property, a family business or family wealth into a relationship.<\/li>\n<li>People who expect a large inheritance or are beneficiaries of a family trust.<\/li>\n<li>People marrying for a second time who want to protect assets for children from an earlier relationship.<\/li>\n<li>Couples with assets in more than one country, where it is worth agreeing in advance which assets are separate.<\/li>\n<\/ul>\n\n<h2>What makes it binding?<\/h2>\n<p>The Act sets strict requirements. The agreement must be in writing and signed by both parties. Before signing, each party must receive independent legal advice from their own lawyer about how the agreement affects their rights and its advantages and disadvantages. Each lawyer signs a statement confirming that advice was given, and copies are exchanged. If any of these steps is missed, the agreement may not be binding at all.<\/p>\n<p>Full and honest financial disclosure is essential. Since 10 June 2025, the duty of disclosure in property matters is written into the Family Law Act itself.<\/p>\n\n<h2>When can a court set it aside?<\/h2>\n<p>A court can set aside a financial agreement in limited circumstances, including:<\/p>\n<ul>\n<li>fraud, including failing to disclose a significant asset or debt;<\/li>\n<li>duress, undue influence or unconscionable conduct, for example pressure to sign shortly before the wedding;<\/li>\n<li>circumstances arising that make the agreement impracticable to carry out;<\/li>\n<li>a material change in circumstances relating to the care of a child, causing hardship.<\/li>\n<\/ul>\n<p>The High Court has set aside a prenup signed days before a wedding where one party had no real choice. Signing well before the wedding, with time to negotiate, is the best protection.<\/p>\n\n<h2>Advantages and disadvantages<\/h2>\n<ul>\n<li><strong>Advantages:<\/strong> certainty, privacy, lower legal costs if the relationship ends, and protection of family assets and businesses.<\/li>\n<li><strong>Disadvantages:<\/strong> the cost of two lawyers, difficult conversations, and the risk that an agreement becomes unfair years later as circumstances change. It should be reviewed after major life events such as children or a move overseas.<\/li>\n<\/ul>\n\n<h2>Superannuation and spousal maintenance<\/h2>\n<p>An agreement can deal with superannuation, but the fund trustee must be given proper notice for a super split to work. It can also deal with spousal maintenance, although a court can still intervene if a party could not support themselves without relying on a government pension.<\/p>\n\n<h2>Assets overseas<\/h2>\n<p>An Australian financial agreement may not be recognised automatically in Hong Kong, mainland China, Singapore, Malaysia or elsewhere. Where significant assets are overseas, consider local advice and, sometimes, a matching agreement in that country.<\/p>\n\n<h2>The process<\/h2>\n<ul>\n<li>Each party lists their assets, debts, income and superannuation.<\/li>\n<li>One lawyer drafts the agreement; the other reviews and negotiates it.<\/li>\n<li>Each party receives independent advice and signs, with the lawyers&#8217; certificates.<\/li>\n<li>The original is kept safely, and the agreement is reviewed after major changes.<\/li>\n<\/ul>\n<h2>Related reading<\/h2>\n<ul class=\"ct-related\"><li><a href=\"\/en\/superannuation-splitting-separation-australia\/\">Splitting Superannuation After Separation in Australia<\/a><\/li><li><a href=\"\/en\/pets-after-separation-australia-companion-animals\/\">Who Keeps the Family Pet After Separation? Australia&#8217;s Companion Animal Rules<\/a><\/li><li><a href=\"\/en\/when-to-update-your-will-australia\/\">When Should You Update Your Will? Marriage, Divorce and Other Life Changes in Australia<\/a><\/li><\/ul>\n<p><em>Chua Tan Associates prepares and advises on financial agreements for couples across Australia, including couples with assets and family overseas. To arrange a confidential consultation, please contact our Melbourne office on +61 3 9602 3988 or submit an <a href=\"#ct-enquiry\">enquiry<\/a>. Advice is available in English, Mandarin and Cantonese.<\/em><\/p>\n<p class=\"ct-byline\"><em><a href=\"\/en\/justin-chua\/\">Justin Chua<\/a> (\u8521\u667a\u52cb), lawyer and mediator, Chua Tan Associates, Melbourne. General information only, not legal advice. Federal family law applies across Australia; Western Australia has its own family court legislation for de facto couples, and state laws differ for Wills.<\/em><\/p>\n<\/div>\n\n\n<div id=\"ct-enquiry\" class=\"ct-eq\" data-no-translation>\r\n<style>.ct-eq{background:#f4f1ea;border:1px solid #e3ddd0;border-radius:10px;padding:22px 24px;margin:32px 0;font-size:16px;line-height:1.6}.ct-eq h2,.ct-eq h3{margin:0 0 6px}.ct-eq p{margin:0 0 12px}.ct-eq form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.ct-eq label{display:block;font-size:14px;font-weight:600;margin-bottom:4px}.ct-eq input,.ct-eq select,.ct-eq textarea{width:100%;box-sizing:border-box;padding:10px 12px;border:1px solid #cfc6b4;border-radius:6px;font-size:16px;background:#fff}.ct-eq .full{grid-column:1\/-1}.ct-eq button{background:#8a6a3b;color:#fff;border:0;border-radius:6px;padding:12px 22px;font-size:16px;cursor:pointer}.ct-eq .hp{position:absolute;left:-9999px}.ct-eq small{color:#5f5a50}.ct-eq .ok{background:#e7f3e8;border-left:4px solid #3c8d40;padding:12px 16px}.ct-eq .bad{background:#fbeaea;border-left:4px solid #b03a2e;padding:12px 16px}.ct-eq .ct-direct{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.ct-eq .ct-direct a,.ct-eq .ct-direct button{background:#fff;color:#2b2b2b;border:1px solid #cfc6b4;padding:9px 14px;border-radius:6px;text-decoration:none;font-size:15px}@media(max-width:640px){.ct-eq form{grid-template-columns:1fr}}<\/style>\r\n<h3>Tell us about the estate<\/h3>\r\n<p>A short message is enough. We reply in English, Mandarin or Cantonese, and quote fees in writing before any work starts.<\/p>\r\n<form method=\"post\" action=\"https:\/\/chuatan.com.au\/wp-admin\/admin-post.php\">\r\n<input type=\"hidden\" name=\"action\" value=\"ct_estate_enquiry\">\r\n<input type=\"hidden\" name=\"ct_ts\" value=\"1792609529\">\r\n<input type=\"hidden\" name=\"ct_lang\" value=\"en\">\r\n<input type=\"hidden\" name=\"ct_page\" value=\"https:\/\/chuatan.com.au\/en\/binding-financial-agreements-prenups-australia-guide\/\">\r\n<div class=\"hp\" aria-hidden=\"true\"><label>Website<input type=\"text\" name=\"ct_website\" tabindex=\"-1\" autocomplete=\"off\"><\/label><\/div>\r\n<div><label for=\"ct_name\">Your name *<\/label><input id=\"ct_name\" name=\"ct_name\" required maxlength=\"120\"><\/div>\r\n<div><label for=\"ct_email\">Email<\/label><input id=\"ct_email\" name=\"ct_email\" type=\"email\" maxlength=\"160\"><\/div>\r\n<div><label for=\"ct_phone\">Phone, WeChat or WhatsApp<\/label><input id=\"ct_phone\" name=\"ct_phone\" maxlength=\"80\"><\/div>\r\n<div><label for=\"ct_language\">Preferred language<\/label><select id=\"ct_language\" name=\"ct_language\"><option>English<\/option><option>Mandarin<\/option><option>Cantonese<\/option><\/select><\/div>\r\n<div><label for=\"ct_type\">What do you need help with?<\/label><select id=\"ct_type\" name=\"ct_type\"><option value=\"\">Please choose<\/option><option>Someone has died and there is a Will<\/option><option>Someone has died and there is no Will<\/option><option>Someone has died and I am not sure if there is a Will<\/option><option>Making or updating a Will or estate plan<\/option><option>Executor or trustee question<\/option><option>A dispute about an estate<\/option><option>Other<\/option><\/select><\/div>\r\n<div><label for=\"ct_state\">Where are the assets?<\/label><select id=\"ct_state\" name=\"ct_state\"><option value=\"\">Please choose<\/option><option>Victoria<\/option><option>New South Wales<\/option><option>Queensland<\/option><option>Western Australia<\/option><option>South Australia<\/option><option>Tasmania<\/option><option>ACT<\/option><option>Northern Territory<\/option><option>More than one state<\/option><option>Overseas as well<\/option><option>Not sure<\/option><\/select><\/div>\r\n<div class=\"full\"><label for=\"ct_time\">Best time to contact you (optional)<\/label><input id=\"ct_time\" name=\"ct_time\" maxlength=\"120\"><\/div>\r\n<div class=\"full\"><label for=\"ct_msg\">Brief details (optional)<\/label><textarea id=\"ct_msg\" name=\"ct_msg\" rows=\"4\" maxlength=\"3000\"><\/textarea><\/div>\r\n<div class=\"full\"><button type=\"submit\">Send enquiry<\/button><br><small>We use your details only to respond to your enquiry. Sending this form does not create a lawyer\u2013client relationship. <a href=\"\/privacy-policy\/\">Privacy<\/a><\/small><\/div>\r\n<\/form>\r\n<div class=\"ct-direct\"><strong style=\"width:100%\">Or contact us directly<\/strong>\r\n<a href=\"tel:+61396023988\">Call +61 3 9602 3988<\/a>\r\n<a href=\"mailto:chuatan@tpg.com.au\">chuatan@tpg.com.au<\/a>\r\n<a href=\"https:\/\/wa.me\/61490369102\" target=\"_blank\" rel=\"noopener\">WhatsApp +61 490 369 102<\/a>\r\n<button type=\"button\" class=\"ct-wechat\" data-msg=\"WeChat ID copied\">WeChat: chuatan262<\/button>\r\n<\/div>\r\n<\/div>\r\n\t\n\n<div class=\"ct-guides\" data-no-translation><style>.ct-guides{margin:28px 0}.ct-guides ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px;list-style:none;padding:0;margin:10px 0 0}.ct-guides li{margin:0}.ct-guides a{display:block;padding:12px 14px;border:1px solid #e3ddd0;border-radius:6px;text-decoration:none;background:#fff;height:100%}<\/style><h3>Estate guides<\/h3><ul><li><a href=\"\/en\/do-i-need-probate\/\">Do I need probate? 2-minute check<\/a><\/li><li><a href=\"\/en\/what-to-do-when-someone-dies\/\">What to do when someone dies: 30-day checklist<\/a><\/li><li><a href=\"\/en\/letters-of-administration-victoria\/\">No Will? Letters of administration and who inherits<\/a><\/li><li><a href=\"\/en\/estate-planning-victoria\/\">Estate planning: Will, power of attorney, medical decisions<\/a><\/li><li><a href=\"\/en\/testamentary-trusts\/\">Testamentary trusts<\/a><\/li><li><a href=\"\/en\/superannuation-and-your-will\/\">Superannuation and your Will<\/a><\/li><li><a href=\"\/en\/executor-disputes\/\">Executor problems and disputes<\/a><\/li><li><a href=\"\/en\/professional-executor-trustee\/\">Professional executor &amp; trustee services<\/a><\/li><li><a href=\"\/en\/%E5%AE%A2%E6%88%B7%E8%AF%84%E4%BB%B7\/\">Client reviews<\/a><\/li><\/ul><\/div>","protected":false},"excerpt":{"rendered":"<p>A binding financial agreement, often called a prenup, i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_meta-robots-noindex":"","_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[20],"tags":[],"class_list":["post-19081","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.2 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Binding Financial Agreements (Prenups) in Australia: A Complete Guide | Chua Tan Associates<\/title>\n<meta name=\"description\" content=\"What a binding financial agreement is, when couples sign one, what makes it binding, when it can be set aside, and the pros 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\u8521\u667a\u52cb\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-AU\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6d690f94c05b0834eb3239130d09e6296a334a1b2063962b54b1d16d3754c22a?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6d690f94c05b0834eb3239130d09e6296a334a1b2063962b54b1d16d3754c22a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/6d690f94c05b0834eb3239130d09e6296a334a1b2063962b54b1d16d3754c22a?s=96&d=mm&r=g\",\"caption\":\"Justin Chua \u8521\u667a\u52cb\"},\"description\":\"\u8521\u667a\u52cb\u5f8b\u5e08\uff08Justin Chua\uff09\u662f\u8521\u5e86\u4f1f\u5f8b\u5e08\u4e8b\u52a1\u6240\u7684\u5f8b\u5e08\u53ca\u8c03\u89e3\u5458\uff0c2020\u5e74\u83b7\u51c6\u6267\u4e1a\uff0c\u6301\u6709RMIT\u5927\u5b66\u6cd5\u5b66\u5b66\u4f4d\u53ca\u58a8\u5c14\u672c\u5927\u5b66\u5546\u5b66\u5b66\u58eb\u5b66\u4f4d\uff08\u4f1a\u8ba1\u4e13\u4e1a\uff09\u3002\u4ed6\u662f\u5168\u56fd\u8ba4\u8bc1\u8c03\u89e3\u5458\uff08AMDRAS\uff09\u3001\u5bb6\u4e8b\u7ea0\u7eb7\u8c03\u89e3\u5458\uff08FDRP\uff09\u3001\u5bb6\u4e8b\u6cd5\u4ef2\u88c1\u5458\uff0c\u4ee5\u53caSTEP\u9644\u5c5e\u4f1a\u5458\uff0c\u4e3b\u8981\u5904\u7406\u9057\u5631\u4e0e\u9057\u4ea7\u3001\u5bb6\u5ead\u6cd5\u3001\u8de8\u5883\u5bb6\u65cf\u4e0e\u5546\u4e1a\u4e8b\u52a1\uff0c\u5e76\u4ee5\u666e\u901a\u8bdd\u548c\u82f1\u8bed\u4e3a\u5ba2\u6237\u63d0\u4f9b\u670d\u52a1\u3002 Justin Chua is a lawyer and mediator at Chua Tan Associates, admitted in 2020, with a law degree from RMIT University and a Bachelor of Commerce (accounting) from the University of Melbourne. 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