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Guide · Legal requirements

Wedding Witnesses and Legal Age in the UK

This guide answers the practical legal questions about wedding witnesses, the minimum age to marry, and what makes a ceremony legally binding across the UK. You will learn how many witnesses you need, the age rules, and the steps to give notice, so your wedding is legal wherever you marry.

By the UK Wedding Websites editorial team · Updated 2026-10-12 · How we write our guides

How many witnesses do you need for a UK wedding?

In England and Wales, you need two witnesses at the ceremony. In Scotland, you also need two witnesses, and they must be aged 16 or over. In Northern Ireland, the same rule applies: two witnesses are required.

Your witnesses can be family members or friends, and they do not need to be related to you. They just need to be able to understand what is happening and be willing to sign the marriage schedule or document. Choose people you trust, as their signature is a legal part of your marriage record.

The minimum age to marry in England and Wales is 18, and this has been the case since February 2023. In Scotland, the legal age is 16, and in Northern Ireland it is also 16. If you are under 18 in England or Wales, you cannot marry, even with parental consent.

If you are planning a wedding in Scotland or Northern Ireland and are 16 or 17, you can marry, but you may need to check if any additional consent is required. Always confirm the current rules with the local registrar or your place of worship before making plans.

What makes a ceremony legally binding in England and Wales?

In England and Wales, a legal ceremony must take place at a register office, an approved venue, or a religious building registered for marriages. Church of England and Church in Wales weddings usually require banns to be read, or a licence. Since 2021, marriages are recorded in a marriage schedule or document that is signed on the day, not in a register book.

Civil ceremonies cannot include religious content such as hymns, prayers, or religious readings. You can include poems, songs, and non-religious readings if the registrar agrees. Since 2022, approved venues can hold civil ceremonies outdoors within their grounds.

A religious ceremony on its own, such as a nikah, is only legally binding if it takes place in a building registered for marriages with an authorised person present. Many couples have a short civil ceremony as well to make sure the marriage is legal. Humanist ceremonies are not legally binding on their own in England and Wales, so couples usually add a civil ceremony. Check GOV.UK for the current position.

In Scotland, weddings can take place almost anywhere agreed with the registrar or celebrant, indoors or outdoors. Religious and belief celebrants, including humanist celebrants, can conduct legal weddings in Scotland. You need two witnesses aged 16 or over.

Each partner must submit a marriage notice to the registrar for the district where the wedding will take place. Notice must be submitted at least 29 days before the wedding, but registrars advise giving 10 to 12 weeks. This gives you plenty of time to sort out any paperwork and avoid last-minute stress.

In Northern Ireland, you give notice to the registrar in the district where the wedding will take place, at least 28 days before the wedding. Humanist weddings can be legally binding in Northern Ireland, which is different from England and Wales.

You still need two witnesses, and the ceremony must be conducted by an authorised person. If you are planning a religious or humanist ceremony, check with your celebrant that they are registered to conduct legal weddings in Northern Ireland.

How do you give notice of marriage in the UK?

Giving notice is a formal appointment where you declare your intention to marry. In England and Wales, both partners must give notice in person at their local register office, usually where they have lived for at least the last 7 days. You will be asked for details such as your names, addresses, dates of birth, and your partner's details. The appointment usually takes about 15 to 20 minutes, but it can be longer if there are any complications.

You must give notice at least 28 full days before the ceremony. This can be longer if either partner is subject to immigration control. A notice is valid for 12 months, so your wedding must take place within that time. In Scotland, you submit a marriage notice to the registrar, and in Northern Ireland you give notice to the registrar in the district where the wedding will take place.

You will need to bring documents such as your passport, proof of address, and possibly your birth certificate or divorce papers if you have been married before. The exact documents depend on your situation, so check with the register office before your appointment. The rules can change, so always confirm the current requirements on GOV.UK or with your local registrar.

What happens after you give notice of marriage?

After you give notice, the registrar will display your notice publicly for a set period. This is a legal requirement to allow anyone to raise an objection if there is a legal reason why you cannot marry. In England and Wales, the notice period is 28 days, during which the notice is displayed at the register office.

Once the notice period is over, you can go ahead with your wedding. You must marry within 12 months of giving notice, or you will need to give notice again. If you are having a religious ceremony, the same notice rules apply, but the banns or licence process may be different for Church of England and Church in Wales weddings.

Remember that the legal requirements can change, so it is always wise to check the latest guidance on GOV.UK or with your local register office. Planning ahead and giving notice early will give you peace of mind and plenty of time to prepare.

Checklist

  • Check the minimum legal age to marry in your part of the UK.
  • Choose two witnesses who are willing to sign the marriage schedule.
  • Confirm that your ceremony venue is legally approved for marriages.
  • Book your giving notice appointment at the correct register office.
  • Prepare the documents you need for giving notice, such as passport and proof of address.
  • Give notice at least 28 days before your wedding (29 days in Scotland).
  • Allow extra time if either partner is subject to immigration control.
  • Make sure your ceremony includes any legal words or declarations required.
  • Check whether a religious or humanist ceremony is legally binding on its own.
  • Keep your marriage certificate safe as proof of your legal wedding.

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