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Family & Relationship Law

Checked against official sources on . Figures shown are the court fees that apply from 13 July 2026 and the Family Mediation Voucher Scheme.
Sources: GOV.UK, Family court fees (EX50); GOV.UK, Family Mediation Voucher Scheme.

Family life touches more of the law than almost anything else, from protecting yourselves as a couple to sorting things out fairly when a relationship ends. This section covers both: how to protect your home, money and children while you are together, and how divorce, financial settlements, child arrangements and child maintenance work if you separate. It sits alongside our wills and power of attorney guides, which complete the picture for any family.

Key points
  • Married and unmarried couples are treated very differently by the law, and there is no such thing as a common law marriage however long you have lived together.
  • An unmarried partner does not inherit automatically, which makes a will essential rather than optional.
  • A cohabitation agreement records who owns what and what happens if you separate. A prenuptial or postnuptial agreement does the same for a marriage or civil partnership.
  • Even an entirely amicable separation needs a court-approved consent order to make the financial split binding. Without one, claims can be reopened years later.
  • Family mediation is cheaper and less stressful than court, and there is a £500 voucher, though it is a time-limited scheme with a finite number of vouchers.
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Married vs unmarried, why it matters

There is no such thing as common law marriage in England, Wales or Northern Ireland. Living together, however long, does not give you the legal protections of marriage. That affects what happens to your home, money and pension if you separate, and what you inherit if your partner dies. A few straightforward documents can close that gap.

  • Yes: Cohabitation agreement, sets out who owns what and what happens if you separate, for couples who live together
  • Yes: Prenuptial / postnuptial agreement, records how assets would be divided if a marriage or civil partnership ended
  • Yes: A will, essential for unmarried partners, who do not inherit automatically
  • Yes: A power of attorney, lets your partner make decisions for you if you ever lose capacity

If you're separating or divorcing

Ending a relationship raises several separate questions, and it helps to deal with them one at a time rather than as one giant argument:

Divorce , how the no-fault divorce process works in England and Wales, what it costs, and how long it takes.
Financial settlement , dividing money, property and pensions, and why even an amicable split needs a court-approved consent order.
Child arrangements and child maintenance , where children live and spend time, and how maintenance is worked out.
Family mediation , the cheaper, less stressful way to agree arrangements without court, and the £500 voucher.

Protecting yourselves as a couple

Cohabitation agreements , for couples who live together but aren't married: protect your home, money and possessions, and fix what happens if you split.
Prenuptial agreements , for couples getting married or entering a civil partnership: are prenups legally binding, and how to make one that a court will follow.
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Frequently asked questions

Do unmarried couples have the same rights as married couples in the UK?

No. 'Common law marriage' is a myth in England, Wales and Northern Ireland, unmarried couples have almost no automatic rights over each other's property, money or pension, however long they have lived together. Scotland gives cohabitants some limited rights, but still far fewer than a married spouse. Cohabitation agreements, wills and powers of attorney are how unmarried couples protect each other.

What's the difference between a cohabitation agreement and a prenup?

A cohabitation agreement is for couples who live together but are not getting married, it records who owns what and what happens if they separate. A prenuptial agreement is for couples who are about to marry or enter a civil partnership, it sets out how assets would be divided if that relationship later ended. Both are best drafted by a family-law solicitor with independent advice on each side.

Related guides

Divorce
The no-fault divorce process in England and Wales, step by step.
Financial Settlement on Divorce
Dividing money, property and pensions, and consent orders.
Child Arrangements
Where children live and who they spend time with after you separate.
Child Maintenance
How maintenance is worked out, the rates, and when it stops.
Family Mediation
Agree arrangements without court, and the £500 voucher.
Cohabitation Agreements
Protect yourself when you live together but aren't married.
Prenuptial Agreements
Are prenups binding in the UK, and how to make one stand up.
Wills, Overview
Essential for unmarried partners, who inherit nothing otherwise.

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https://www.knowyourrightsuk.com/family
Know Your Rights UK. "Family & Relationship Law." Know Your Rights UK, https://www.knowyourrightsuk.com/family