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Common Misconceptions About Prenuptial Agreements

Ayesha Vardag | Founder & President | 18th May 2026

Prenuptial agreements occupy an unusual space in public consciousness. Most people have a vague idea of what they are, largely shaped by American films and celebrity divorces, but the reality of how prenups work in England and Wales bears little resemblance to the popular image. The result is a set of persistent misconceptions that discourage couples from exploring an option that could protect both of them - and that leads to poorly informed decisions when the topic does arise.

Clearing up these misconceptions matters, because the gap between what people believe about prenups and what the law actually provides is wide enough to cause serious problems. A couple who avoids a prenup because they think its unromantic may regret that decision decades later. Equally, a couple who signs one believing its ironclad may be disappointed to discover its limitations.

"Prenups Arent Legally Binding, So Theres No Point"

This is the misconception that probably does the most damage. Its true that prenuptial agreements are not automatically legally binding in England and Wales in the way that a commercial contract would be. But its profoundly misleading to conclude from that fact that theyre pointless.

The Supreme Courts decision in Radmacher v Granatino (2010) fundamentally changed the landscape. The court held that a prenuptial agreement should be given decisive weight provided that it was freely entered into by each party with a full appreciation of its implications, unless in the circumstances prevailing it would not be fair to hold the parties to the agreement. Since Radmacher, prenuptial agreements have been given significant weight by the courts in numerous cases, and the direction of travel is clearly towards greater enforceability.

For a comprehensive overview of how prenuptial agreements work in English law, including what makes them more likely to be upheld, specialist legal advice is essential.

"Prenups Are Only for the Wealthy"

While prenuptial agreements are particularly common among high net worth individuals, the principle applies to anyone who has assets, income, or financial expectations they want to protect. A first-time homebuyer whos bringing a property into the marriage has just as valid a reason to consider a prenup as a business owner worth millions. A person expecting an inheritance, a professional with a growing pension, or someone entering a second marriage with assets from the first - all have legitimate reasons to want financial clarity.

The "only for the wealthy" misconception also overlooks the fact that a prenup can protect the financially weaker party as well as the stronger one. An agreement that guarantees a certain level of financial provision in the event of divorce can provide security and peace of mind to a spouse who might otherwise be entirely dependent on the courts discretion.

"Suggesting a Prenup Means You Dont Trust Your Partner"

This is perhaps the most emotionally loaded misconception, and the one that prevents many couples from even starting the conversation. The reality is that a prenuptial agreement is an act of pragmatism, not distrust. Every couple hopes their marriage will last, but acknowledging that some marriages dont - and planning accordingly - is no different from taking out insurance on your home. You dont insure your house because you expect it to burn down; you insure it because the consequences of not having protection, should the worst happen, are too significant to ignore.

The conversation itself can actually strengthen a relationship. Discussing financial expectations, attitudes to money, career plans, and family goals before marriage builds a foundation of transparency that serves the relationship well - whether or not the agreement is ever needed.

"A Prenup Will Be Thrown Out in Court"

This misconception stems from a misunderstanding of the Radmacher decision and from anecdotal accounts of agreements that were challenged. Its true that a prenup can be challenged, and in some circumstances the court may depart from its terms. But the question is not whether a prenup can be challenged - its how likely a challenge is to succeed, and what factors increase or decrease that likelihood.

A prenup that was entered into freely, with independent legal advice for both parties, full financial disclosure, adequate time for consideration, and terms that are fair in the circumstances is very likely to be upheld. An agreement that was signed under pressure, without disclosure or independent advice, or that leaves one party in a position of real need, is more vulnerable. The quality of the drafting and the process surrounding the agreement determine its resilience - not some inherent weakness in the concept itself.

"You Can Put Anything in a Prenup"

A prenuptial agreement cannot override the courts jurisdiction to make orders for the benefit of children, and it cannot include terms that are unconscionable or contrary to public policy. In practical terms, this means that provisions relating to childrens living arrangements, maintenance for children, or conditions that seek to penalise a party for specific behaviour during the marriage are unlikely to be effective.

What a prenup can do is address the division of assets, the treatment of pre-marital wealth and inheritances, the handling of business interests, and the basis on which spousal maintenance will be calculated. Within those parameters, the scope for tailored, creative drafting is considerable - but it must remain within the bounds of what the court would consider fair.

"We Can Sort It Out Ourselves Without Lawyers"

A prenuptial agreement drafted without independent legal advice for both parties is significantly more likely to be challenged - and significantly less likely to be upheld. The Radmacher safeguards explicitly contemplate that both parties will have received independent advice before signing. An agreement that was negotiated between the parties themselves, without professional input, may reflect genuine mutual intention, but it will lack the procedural robustness that gives the court confidence in its fairness.

The cost of proper legal advice for a prenuptial agreement is a fraction of the cost of contested financial remedy proceedings. If the purpose of a prenup is to avoid the uncertainty and expense of litigation, investing in proper drafting and advice is the way to make that purpose a reality.

Getting It Right

The difference between a prenup that works and one that doesnt is almost entirely a function of process. Both parties need independent legal advice. Both need to provide full financial disclosure. Both need adequate time to consider and negotiate the terms. And the terms themselves need to be fair - not in an abstract sense, but in the specific context of the parties circumstances. For couples considering a prenuptial agreement, consulting expert divorce lawyers serving clients across London ensures the agreement is drafted to withstand scrutiny.

The information on this website is intended as a guide and does not constitute legal advice. Vardags do not accept liability for any errors in the information on this website, nor any losses stemming from reliance upon the statements made herein. All articles and pages aim to reflect the legal position at time they were published, and may have been rendered obsolete by subsequent developments in the law. Should you require specialist advice, tailored to your situation, please see how Vardags can help you.

Ayesha Vardag

AUTHOR

Ayesha Vardag
“Britain's top divorce lawyer” Ayesha Vardag rose to fame for winning the landmark Supreme Court case of Radmacher v Granatino in 2010, changing the law to make prenuptial agreements legally enforceable in England and Wales. The founder and President of Vardags, Ayesha specialises in high-net-worth divorce, often with an international...
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