Prenuptial Agreements in England and Wales: What You Need to Know

Once seen as something only the very wealthy bothered with, prenuptial agreements have quietly become part of mainstream financial planning. More couples now treat a prenup in much the same way as making a will; a sensible step before a major life event, not a sign that things are expected to go wrong.

Here is what these agreements can do, what they cannot do, and how courts in England and Wales treat them.

What is a prenuptial agreement?

A prenuptial agreement is a written agreement made before marriage, setting out how a couple intends their assets and finances to be divided if things break down. A postnuptial agreement does the same thing but is signed after the wedding. Courts treat the two in much the same way, and everything below applies to both. Civil partners can make equivalent agreements.

Are prenuptial agreements legally binding?

This is the question that causes most confusion, so it is worth being direct.

A prenuptial agreement is not automatically binding in England and Wales. When a marriage ends, the court retains discretion to decide how finances should be divided, guided by the factors in section 25 of the Matrimonial Causes Act 1973. No agreement can remove that discretion entirely.

That said, a prenup is far from worthless. Following the Supreme Court’s decision in Radmacher v Granatino in 2010, courts will give effect to an agreement freely entered into by both parties, each understanding its implications, unless it would be unfair to hold them to it. In practice, a well-prepared prenup carries real weight and will often be the starting point for how a court approaches a financial settlement.

What makes a prenuptial agreement enforceable?

The weight a court gives a prenup depends heavily on how it was made. Courts look for the following:

• Both parties should enter into the agreement freely, without pressure.
• Each should take independent legal advice from their own solicitor, so nobody can later say they did not understand what they were signing.
• There should be full and honest disclosure of assets, income and debts on both sides; an agreement based on hidden finances is vulnerable to challenge.
• The agreement should be put in place in good time before the wedding, not presented to a partner at the last minute.

You may see “at least 28 days before the wedding” cited as a firm rule. Under current law it is not a fixed requirement, but it is sensible practice; and it features in the reforms now being considered.

What can a prenuptial agreement cover?

A prenup can protect wealth built up before the marriage, keep an inheritance or family gift separate, set out how a business should be treated, and clarify what each person brings to the relationship. For couples marrying later in life, or in a second marriage, it can help ring-fence assets intended for children from a previous relationship.

There are firm limits. An agreement cannot override the court’s duty to meet the basic financial needs of either spouse, or of any children. It cannot dictate arrangements for children, which are always decided on the basis of the child’s best interests. And it cannot enforce personal or lifestyle conditions about how the couple conduct their marriage.

Why are prenuptial agreements becoming more common?

People are marrying later, often after building up property, savings, a pension or a business, and they want clarity about what happens to those things if the marriage breaks down. Second marriages and blended families are an increasingly common driver too, as couples seek to protect wealth for children from previous relationships.

Farming families and those with agricultural estates are a common case in point. Keeping land intact across generations, protecting a farm partnership, or ring-fencing inherited assets are all situations where a prenup does real work. It is an area we see regularly across North Norfolk, Norfolk and Suffolk.

Inherited and wider family wealth, and international couples used to fixed matrimonial property rules in their home countries, are all common reasons for putting an agreement in place.

Will prenuptial agreements become legally binding in England?

This is an area of law that may be about to shift.

In June 2026 the government published a consultation, A Fairer End to Relationships, which proposes introducing legally binding “qualifying nuptial agreements”. Under the model being consulted on, an agreement meeting certain safeguards would be binding on the court rather than merely influential. Those safeguards would include the agreement taking the form of a deed, being signed at least 28 days before the wedding, and being supported by financial disclosure and independent legal advice on both sides. Even then, couples would not be able to contract out of meeting each other’s needs or those of their children.

This is a proposal, not the law. The consultation, which closed in August 2026, builds on a Law Commission recommendation first made in 2014. Any change would require legislation, which could take time and may look different from what is currently proposed. For now, prenups remain influential but not automatically binding.

Thinking about a prenup?

A prenuptial agreement can offer real reassurance, but only if it is properly prepared, honestly disclosed and put in place in good time. A rushed or poorly drafted agreement may carry little weight when it matters most.

We offer an initial fixed-fee appointment of £200 plus VAT (£240). In that meeting with a senior solicitor you will know where you stand; what an agreement could cover in your circumstances, what it cannot do, and whether it is worth pursuing. For a prenup to carry weight with a court, both parties need to have taken proper independent legal advice. We will make sure you understand the agreement fully and that everything is in place for it to be as robust as possible.

If you would like to book an appointment or simply talk it through first, please call us, email us or visit our contact page.

Kate Jackson leads the family law team at Nicholsons and advises regularly on prenuptial and postnuptial agreements for clients across Norfolk, Suffolk and beyond. If you would like to speak to Kate directly, please call 01603 556 713 or email kjackson@nicholsonslaw.com.