By Karim Hammam
Postnuptial agreements are becoming more common among younger couples in the UK, driven by a desire to protect assets such as parental gifts and inherited wealth. Legal experts say the trend reflects greater financial independence between partners and a pragmatic approach to marriage similar to writing a will.
What Is a Postnup?
A postnuptial agreement sets out how a couple's finances will be divided if the marriage ends. Emma Harte, a family partner at Keystone Law, explains that the goal is to provide clarity and avoid protracted, expensive court battles. She notes a significant shift in UK courts toward recognising such agreements over recent years.
Why Are They Important?
Couples use postnups to protect family wealth, assets from previous marriages or business ventures, and new financial changes like inheritances or trust benefits. Harte highlights the "Bank of Mum and Dad" phenomenon, where parents want assurance that financial help given to a couple is protected if the marriage later fails. Second marriages often prompt agreements to safeguard settlements for children from a first marriage.
How Do They Differ From Prenups?
The distinction is purely timing: a prenuptial agreement is signed before marriage, while a postnuptial agreement is signed after the wedding has taken place.
What Should They Cover?
Harte stresses that agreements must be tailored to each couple. Typical provisions include housing and income for both partners and any children, childcare and school fees, division of joint and sole assets such as property, vehicles, artwork, and even pets. They also address future inheritances and life changes like the birth of children, career shifts, or moving abroad, which may require foreign legal review.
Are They Legally Binding?
Postnups are not automatically binding, but UK courts increasingly take them into account if they were entered into properly. Key factors include both parties receiving independent legal advice, full financial disclosure, and absence of pressure or unreasonable time limits. However, agreements cannot be entirely one-sided; courts will override provisions deemed unfair to ensure the needs of a spouse or children are met.
Seeking Professional Advice
Harte recommends couples start with an impartial mediator to discuss terms amicably before instructing a family solicitor to draft the formal document. This approach helps keep sensitive family discussions constructive and ensures the final agreement is fair and robust.
