When we think about legal protections in relationships, we often focus on wills, marriage certificates, or divorce proceedings. But what about protecting your property before, during, or even after a relationship? That’s where a Relationship Property Agreement can make a real difference. Whether you’re entering a new relationship, combining finances with your partner, or planning for the future, a tailored agreement provides clarity, fairness, and peace of mind.
So what exactly is a Relationship Property Agreement, and why might you need one? Here’s a practical guide to how it works and how a lawyer can help.
What Is a Relationship Property Agreement?
Under New Zealand’s Property (Relationships) Act 1976 (PRA), once you’ve been in a qualifying relationship (marriage, civil union, or de facto partnership for three years or more) the law generally presumes that property acquired during the relationship is shared equally, regardless of who paid for it.
A Relationship Property Agreement (also called a contracting out agreement or a prenup) allows you and your partner to agree not to follow the default 50/50 rule, and instead decide for yourselves how your property should be owned or divided.
Why Consider One?
Without a formal agreement, you may find that your individual contributions or personal intentions aren’t legally recognised. Common situations where an agreement can help include:
Keeping inherited or pre-relationship property separate
Clarifying contributions to a jointly owned home or investments
Protecting business or trust interests
Setting expectations around financial outcomes in the event of separation
By clearly outlining how property will be handled, a Relationship Property Agreement helps avoid disputes and misunderstandings in the future.
What Can the Agreement Cover?
Each agreement is tailored to your circumstances, but commonly includes:
Ownership of pre-existing assets or family inheritances
Contributions toward property, mortgage and household expenses
What happens to shared or separate assets if the relationship ends
Options for buying the other out or selling a shared property
How to treat debts, trusts, or loans from family
Arrangements regarding children or future changes in circumstances
Legal Requirements in New Zealand
To be legally enforceable under the PRA, your Relationship Property Agreement must meet strict formalities:
Be in writing
Be signed by both parties
Each party must receive independent legal advice from a separate lawyer
Each lawyer must certify they have explained the effects and implications to their client
These steps ensure that both parties fully understand the agreement and are entering into it voluntarily and fairly.
The Role of a Lawyer
A lawyer experienced in relationship property law will:
Ensure the agreement reflects your true intentions
Draft clear, enforceable terms that comply with the PRA
Advise on what’s fair and appropriate
Help review and update the agreement as your situation changes
Common Pitfalls to Avoid
DIY or informal agreements are not legally valid
Vague or overly broad clauses can lead to confusion or disputes
Outdated agreements may no longer reflect your current assets or intentions
When Should You Make One?
The ideal time is before moving in together or acquiring significant assets, but you can make a Relationship Property Agreement at any stage, even after many years together.
It’s also wise to review your agreement periodically, especially after major life events like buying property, starting a business, or having children.
Summary
A Relationship Property Agreement gives you and your partner control and certainty over how your property is managed, now and in the future. It protects your interests, minimises risk, and ensures that your intentions are understood and respected.
At Macalister Mazengarb, our experienced relationship property lawyers can guide you through the process with clarity, care and expertise. Contact us today to start a conversation about securing a legally sound agreement tailored to your needs.