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What is a postnuptial agreement?

A postnuptial agreement is a document that is drawn up if a couple did not sign a prenuptial agreement before marriage or a civil union. It sets out their intentions of how any assets should be divided should the relationship break down.

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Prenuptial (prenup) and postnuptial agreements (postnup) are similar, offering a certain level of protection by setting out the ownership of belongings (money, assets and property).

It is important to note that postnuptial agreements are not legally binding in England and Wales and are considered by a court along with other factors including the length of the relationship, the financial assets and the contribution made by each person.

A postnup can be made at any point following marriage or a civil union. It can be used to address the situation at that time and make provisions for the future – for example, if you have children.

It is important to get an expert postnuptial agreement solicitor to draft the document and ensure that you both have legal advice and full financial disclosure when deciding the terms.

Our team can advise you on this and is experienced in drafting a wide range of postnuptial agreements, from multi-million agreements with complicated assets to smaller agreements covering property and inheritance for children.

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What is a prenuptial agreement?

Also known as ‘prenups’, prenuptial agreements are written contracts that couples can enter before marriage or civil union. The prenup outlines ownership of money, assets, or property and what will happen to them in the case of divorce or dissolution.

How does spousal maintenance work?​

Different to child maintenance, spousal maintenance is a payment from one former spouse to another after divorce. The amount can change at any time and should be decided based on financial needs and income. A divorce lawyer can help you come to an agreement on how much spousal maintenance should be paid out of court.

What is a freezing order?​

Commonly used in divorce or dissolution cases, freezing orders prevent one spouse from disposing of assets until a case is resolved. This protects the other part from missing out on assets they may have matrimonial claim over.

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Why would you need a postnuptial agreement?

Couples might choose to draw up a postnuptial agreement for many reasons. These might include:

  • Wanting to protect an inheritance
  • To gain clarity on ownership of certain assets, including businesses
  • To provide clarity and protection when children are involved
  • To gain financial security in the event of taking time out of work, such as forstay-at-home parents
  • Failure to draw up a prenuptial agreement

What does a postnuptial agreement include?

Postnuptial agreements are tailored to the couple, so they can include many aspects depending on your needs. Agreements are usually centred around finances and often incorporate factors such as:

  • Assets and debts (and how any outstanding debts will be paid for)
  • Income (including any expected gifts and/or inheritance)
  • Any future income or gains (including property)
  • A list of personally and jointly owned belongings
  • How much maintenance will be paid to your ex-partner in the event of a divorce/separation
  • How any property will be divided (such as second homes)
  • Any insurance coverage, including life, medical and disability

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Are there any situations in which a postnuptial agreement is not recommended?

Because postnuptial agreements are not legally binding, it is important to remember that an agreement can be overruled by the court if it is deemed to be unfair to one member of the party in the event of divorce.

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It is also imperative that each party receives expert legal advice to be able to make an informed decision about the details of the agreement and is not put under pressure to draw up a document they disagree with.

A couple’s circumstances can change and it is a good idea to revisit a postnuptial agreement regularly to make sure it reflects the current situation. Factors that could alter an agreement include having children, receiving a large inheritance or acquiring additional assets.

While pre and post-nups are not automatically binding in England & Wales, they are heavily persuasive and will likely be upheld by the court where needs are met, accurate disclosure and both parties have had legal advice.

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Common questions on postnuptial agreements

Common questions on postnuptial agreements

  • Is a postnuptial agreement legally binding?

    Postnuptial agreements in England and Wales are not legally binding but they are taken into consideration by the court in the event of a separation. It can be upheld by the court if the postnup is considered fair and neither party was pressured into it.

    The rules differ in Scotland, where postnuptial agreements can be legally binding depending on the conditions.

  • What is the difference between a prenuptial agreement and a postnuptial agreement?

    A prenuptial agreement is drafted before a couple marries or enters into a civil union. It is more common than a postnuptial agreement, which is drafted for couples who are already married or in a civil union.

    Postnups can be useful if there are any major changes in a couple’s financial situation, such as significant additional assets, inheritance or children, or if a couple did not get a prenup.

  • Do I need a postnup if I have a prenuptial agreement?

    If a couple has a prenup, a postnuptial agreement is not usually necessary unless financial circumstances change dramatically. If either party receives an inheritance or acquires any significant assets, it is wise to revisit any previous agreement.

  • Do I need a postnuptial agreement solicitor?

    A postnuptial agreement solicitor can offer professional legal advice and ensure both parties have a thorough understanding of what they are entering into. An expert lawyer can also make the postnup fair for both individuals, meaning it is more likely to be upheld by a court in the event of a separation.

    Our postnuptial agreement solicitors offer a friendly, tailored approach and strive to make the process as smooth as possible.

  • Is there an alternative to postnuptial agreements?

    A cohabitation agreement might be suitable for couples who are not married or in a civil union but are living together. It can help protect financial assets and set out arrangements for children should the relationship break down.

    A cohabitation agreement can be especially useful if one person has contributed more to a property or if there are unequal assets.

Date last reviewed: 09/01/2025

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