This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
A comprehensive guide to when and why to update or review a prenuptial agreement in England and Wales, covering major life events, financial changes, review clauses, practical steps to amend agreements and how regular updates help maintain fairness and effectiveness in family court contexts.
A prenuptial agreement is a written arrangement a couple makes before marriage or civil partnership that outlines how their finances, assets and liabilities might be dealt with if their relationship ends. Since the Supreme Court's decision in Radmacher v Granatino (2010), courts in England and Wales give such agreements significant weight if they are fair and properly prepared. However, life changes over time, and an agreement that was fair at the outset may no longer reflect current circumstances. Regularly reviewing or updating a prenup helps ensure it remains relevant, fair and effective. This article explains when and why revisiting a prenuptial agreement is appropriate, the factors that prompt a review, and practical steps couples can take.
Why Reviewing a Prenuptial Agreement Matters
Prenuptial agreements are designed to capture the parties' financial expectations at a particular point in time. However, significant changes in life circumstances can alter financial positions, responsibilities and priorities. If an agreement is not updated to reflect these changes, its terms may become outdated or unfair, reducing the likelihood that a court will give it weight in financial remedy proceedings. Periodic review helps maintain fairness, transparency and practicality.
Life Events and Circumstances That Trigger a Review
Family law practitioners recommend reviewing a prenuptial agreement following significant life events or shifts in financial circumstances. Common triggers include:
Significant Financial Changes
Large shifts in either party's financial position are a key reason to revisit a prenup. These include:
- Receiving a substantial inheritance
- Major changes in income, such as promotions, bonus awards or business events
- Sale or acquisition of significant assets such as property or business interests
- Incurring major debts or financial losses
If the original terms no longer reflect the actual financial landscape, updating the agreement helps keep it aligned with current needs.
Changes in Family Situation
Family developments can significantly change financial obligations and expectations:
- Birth or adoption of children can alter financial priorities and needs for both parents. Even though child support is ultimately a matter for the court, the overall financial picture changes and might warrant revisiting the prenup.
- Blended families or stepchildren may give rise to new considerations about inheritance and provision.
- Death of a parent or other family member, particularly where assets or responsibilities are inherited.
Health, Employment and Life Changes
Circumstances that affect capacity to earn or financial stability can impact fairness:
- Long‑term illness or disability of one partner
- Loss of employment or change to part‑time working
- Retirement or approaching retirement age
These changes can influence how financial needs are assessed in the event of separation and may require agreement terms to be updated.
Relocation or Change in Jurisdiction
If a couple moves to a different country or intends to reside abroad for an extended period, legal systems and approaches to spousal and financial remedies may differ. Reviewing the prenup helps ensure it remains compatible with relevant laws and expectations in the new jurisdiction.
Passage of Time
Even without specific events, many advisors recommend reviewing a prenup every three to five years to ensure it remains fair and relevant. Life evolves in many subtle ways over time, and regular review helps capture changes before they create issues.
Review Clauses and Built‑In Triggers
Some prenuptial agreements include review clauses that set out circumstances or timeframes when the agreement should be revisited. Examples include provisions to review the agreement:
- After a specified number of years of marriage (e.g. every five years)
- Upon the birth of a child
- If assets exceed certain thresholds
Including a review clause recognises that life may change in ways the parties cannot predict when they first enter into the agreement. However, a clause alone is not enough: the parties must actually follow through and revisit the agreement when the trigger event occurs.
How to Update a Prenuptial Agreement
Updating a prenup does not happen automatically. Both parties need to agree to any changes and take steps similar to those used in creating the original agreement:
- Discuss and agree on proposed changes arising from altered circumstances. Open communication helps ensure both spouses understand why a review is necessary.
- Full financial disclosure should accompany any update, ensuring both parties understand current assets, liabilities and income.
- Independent legal advice is essential for both parties when updating the agreement. Each should have their own solicitor review and advise on the revised terms.
- Draft a formal updated agreement or supplemental deed that incorporates agreed changes and ensure it is signed properly by both parties.
Updating a prenup may feel challenging, but it ensures the agreement remains meaningful and reflects current intentions and financial realities.
Risks of Not Reviewing or Updating
Failing to review a prenup can create several risks:
- Outdated terms may be seen as unfair in the context of a divorce or dissolution, reducing the agreement's persuasive weight in court.
- If significant changes occur but the prenup remains unchanged, a judge may decide the agreement no longer reflects the parties' reasonable expectations and needs.
- Couples may assume that a “set and forget” approach protects interests when, in reality, courts emphasise fairness at the time of divorce - not just at the time of signing.
Common Questions About Reviewing a Prenup
Is it necessary to update a prenup after every life change?
Not every change requires an update, but major life events or financial shifts usually warrant consideration. Periodic review - for example every three to five years - helps determine if terms are still relevant.
Can a prenup include automatic updates?
Prenups can include review clauses that set out when a review should occur, but automatic updates are not legally effective without both parties agreeing to and signing the revised terms.
Does updating affect enforceability?
If a revised prenup is properly drafted, both parties receive independent legal advice, and there is full disclosure, updating can enhance the likelihood a court will give the agreement effect in financial remedy proceedings. However, the usual requirements for fairness and voluntary consent still apply.
Key Takeaways
Prenuptial agreements in England and Wales are valuable tools for planning financial matters in the event of divorce or dissolution. However, they are not static documents. Significant life changes - such as shifts in financial circumstances, birth of children, changes in employment or health, relocation, or simply the passage of time - can affect whether the terms remain fair and relevant. Legal practitioners commonly recommend reviewing a prenup every three to five years or when a major event occurs. Including review clauses can help trigger consideration of updates, but both parties must actively revisit and agree on any changes. Updating a prenup with full disclosure and independent legal advice helps maintain fairness and strengthens its influence in family court proceedings under the prevailing legal principles.
