Do I need a prenuptial agreement?

prenuptial agreement,divorce,marriage

Family Court judges have wide discretion as to the division of assets on divorce. At a time when families and their assets are becoming increasingly complex and often spread across different countries, you can protect your own or family wealth by entering into a prenuptial or postnuptial agreement with your spouse, or spouse to be, to set out how assets would be split if you were to divorce.

Prenuptial agreements

Prenuptial agreements are contracts entered into before marriage. Although still perceived as an American phenomenon, they have long been normal practice in many countries across the world. It was only in 2010, however, that they became legally enforceable in the UK, after the landmark case of Radmacher v Granatino. Since then, they have steadily gained popularity as an effective way of future-proofing a relationship.

Whilst, unlike commercial contracts, prenuptial agreements are not binding, they are considered to have ‘magnetic importance’ and will only be disregarded by the Family Court if they are obviously unfair.

Postnuptial agreements

Postnuptial agreements are the same in principle as prenuptial agreements, but are made at any point during a marriage.

If a couple includes in their prenuptial agreement a clause to review the contract every few years, then it will become a post-nuptial agreement if and when it is amended.

Postnuptial agreements currently carry more legal weight than prenuptial agreements, but the best way to ensure that a judge respects your wishes is by having both types of contract.

Postnuptial agreements are particularly useful where, for example, one of you is to give up work to look after children, or if you are considering separation, but decide to stay together and want to lay down some ground rules.

Why make a nuptial agreement?

By determining who gets what in advance, nuptial agreements allow couples to avoid protracted and acrimonious litigation in the event of divorce. Some couples choose to cover just their main business and trust interests or inheritance, and others address the relationship more comprehensively.

Some uses of nuptial agreements are:

  • in first marriages to demarcate what is matrimonial property and what is non-matrimonial (such as inherited wealth).
  • in subsequent partnerships to ensure you provide for any children from previous relationships, especially where there are more significant sums involved.
  • within family businesses, making nuptial agreements a prerequisite is a prudent addition to a family constitution in order to prevent any disruption to the business.

Do it properly

However they are used, nuptial agreements must be entered into with proper legal advice and full disclosure of assets in order to best ensure, as far as possible, that they are upheld by the Family Court.

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Hannah Southon is a Director of Vardags, London, UK


An article of this kind can never provide a complete guide to the law in these areas, which may be subject to change from time to time. The opinions and suggestions made within this article should not be interpreted as specific advice in relation to any particular individual or individuals. Neither STEP, the article author or their firm accept responsibility for any loss occasioned by someone acting or refraining to act on the basis of the opinions and suggestions contained in this article. More