Post Nup Agreement Template for England and Wales

Generate a bespoke document

What is a Post Nup Agreement?

Post Nup Agreements have become increasingly common in England and Wales as couples seek to provide clarity and certainty about their financial arrangements during marriage. This type of agreement is particularly useful when there have been significant changes in financial circumstances after marriage, such as inheritance, business success, or property acquisition. The Post Nup Agreement allows couples to formally document their intentions regarding asset division, financial responsibilities, and property rights. Following the landmark case of Radmacher v Granatino, these agreements carry significant weight in English courts when properly executed with full financial disclosure and independent legal advice.

Reviewed by

Swetha Meenal

Legal Engineer, GenieAI

Swetha Meenal profile photo

A lawyer, legal researcher and legal tech founder, Swetha has built AI products deployed inside Tier 1 firms and enterprises. She ensures GenieAI's alignment with the latest regulation and executes testing on the legal robustness of Genie output.

Reviewed by

Imad Mohammed Nazar

Legal Engineer, GenieAI

Imad Mohammed Nazar profile photo

A Skadden-trained M&A lawyer, Imad advised on cross-border transactions and contractual risk before moving into legal AI. He reviews GenieAI's output for compliance and enforceability across our 150+ supported jurisdictions, as well as facilitating external benchmarking.

Jurisdiction

England and Wales

Publisher

GenieAI

Sector

Business

Cost

Free to use

Last updated

About the Post Nup Agreement

A Post Nup Agreement is a legal contract that you and your spouse can enter into after marriage to establish clear financial arrangements and property rights. Under England and Wales law, these agreements have gained substantial legal weight following key court decisions, particularly Radmacher v Granatino, which confirmed that courts should uphold properly executed nuptial agreements unless they would be unfair to enforce.

When do you need this document?

You should consider a Post Nup Agreement when significant financial changes occur during your marriage. Common situations include receiving a substantial inheritance, starting or selling a business, acquiring valuable property, or experiencing a dramatic increase in income. These agreements are also valuable when you want to protect pre-marital assets that weren't covered by a prenuptial agreement, or when you're reconciling after separation and want to establish clear financial boundaries. If you have children from previous relationships, a Post Nup Agreement can help ensure their inheritance rights are protected while clarifying your current spouse's financial position.

Key legal considerations

For your Post Nup Agreement to be legally effective, both parties must provide complete and honest financial disclosure of all assets, income, and liabilities. Each spouse must receive independent legal advice from separate solicitors to ensure they fully understand the agreement's implications. The agreement should be fair and not leave either party in a position of significant disadvantage, particularly regarding housing needs and children's welfare. Courts will consider whether both parties entered the agreement freely, without pressure or duress, and whether circumstances have changed dramatically since signing. The agreement should clearly define how assets will be divided, address ongoing financial responsibilities, and specify arrangements for any future property acquisitions.

Legal requirements in England and Wales

Under the Matrimonial Causes Act 1973 and subsequent case law, your Post Nup Agreement must meet specific criteria to be enforceable. Both parties must have mental capacity to enter the agreement and must not be under undue influence or duress. The agreement requires proper execution with signatures witnessed appropriately, and you should maintain detailed records of the independent legal advice received. English courts retain discretion under section 25 of the Matrimonial Causes Act to override agreements that would cause significant hardship, particularly regarding children's welfare or basic housing needs. The Law of Property Act 1925 governs how property interests are transferred and held, which may affect how your agreement structures asset division. Regular review of your agreement is advisable, especially after major life changes, to ensure it remains fair and reflective of your current circumstances.

GOVERNING LAW

Applicable law

This Post Nup Agreement is drafted to comply with England and Wales law. Key legislation includes:

Matrimonial Causes Act 1973: Primary legislation governing divorce and financial orders in England and Wales, particularly relevant for sections dealing with financial orders and property division in divorce proceedings

Law of Property Act 1925: Fundamental legislation regarding property rights and interests in England and Wales, essential for determining how property is held and transferred between spouses

Married Women's Property Act 1882: Historical but still relevant legislation concerning married women's rights to own property independently of their husbands

Radmacher v Granatino [2010] UKSC 42: Leading Supreme Court case establishing that courts should give effect to nuptial agreements if freely entered into, with full understanding, unless unfair

MacLeod v MacLeod [2008] UKPC 64: Pivotal Privy Council case specifically addressing post-nuptial agreements, confirming their enforceability under English law

Full Financial Disclosure Requirement: Legal requirement for both parties to provide complete and honest disclosure of all financial assets and liabilities

Independent Legal Advice: Requirement for both parties to receive separate and independent legal counsel before signing the agreement

Absence of Duress: Legal requirement that the agreement must be entered into freely without undue pressure or coercion

Fairness Consideration: Legal principle requiring the agreement to be fair and reasonable at the time of creation and enforcement

Child Provision Requirements: Legal obligation to ensure adequate provision for any children of the family in the agreement

Review Mechanisms: Inclusion of provisions for future review or variation of the agreement in response to significant changes in circumstances

Genie's Security Promise

Genie is the safest place to draft. Here's how we prioritise your privacy and security.

Your data is private:

We do not train on your data; Genie's AI improves independently

All data stored on Genie is private to your organisation

Your documents are protected:

Your documents are protected by ultra-secure 256-bit encryption

We are ISO27001 certified, so your data is secure

Organizational security:

You retain IP ownership of your documents and their information

You have full control over your data and who gets to see it