Ending a Marriage Within the First Year: The Twelve-Month Rule and Your Options

What Is the Twelve-Month Rule for Divorce?

The twelve-month rule is a long-standing feature of the law of England and Wales. It prevents either spouse from filing for divorce until at least one year has passed from the date of the marriage ceremony. The rule is set out in the Matrimonial Causes Act 1973 and has not been changed following the introduction of the no-fault divorce process under the Divorce, Dissolution and Separation Act 2020.

The reasoning behind the rule is that marriage is intended to be a considered, long-term commitment, and the court should not be asked to dissolve a marriage that has only just begun. The rule is intended to encourage couples to consider reconciliation and try to make their marriage work.

Importantly, the twelve-month rule applies to the act of starting divorce proceedings. It does not stop you from separating, living apart, or resolving how your finances and property will be dealt with when the time comes. You can take meaningful steps during the waiting period, even though the divorce itself will need to wait.

Expert insight: How the twelve-month rule is applied in practice: 

The exact “start date” the court uses to calculate the twelve months starts from the date you were legally married, which is the date that is shown on your marriage certificate.

The distinction between legal separation and de facto separation during the first year of marriage is that legal separation is the formal court process, whereas de facto separation is where couples stop living together and do not formalise their separation. Without the legal separation, the financial ties between the married couple are not severed.

Once the divorce application has been issued, the parties will begin what is referred to as a “cooling-off” period. This period is for a minimum of 20-weeks and allows the parties to consider reconciliation before applying for the Conditional Order, which will formally recognise that their marriage has irretrievably broken down. The divorce petition cannot be issued until the one-year mark has passed, and therefore the cooling-off period will not start until after then.

If there is no possibility of reconciliation, the parties can use this time to discuss a financial settlement. If an agreement is reached in this time, a separation agreement or consent order can be drawn up. The consent order cannot be filed with the court until the conditional order has been pronounced in the divorce proceedings.

What Counts as a “Short Marriage”?

There is no single legal definition of a short marriage, but the term is widely used in family law to describe a marriage that has lasted only a limited period before separation. A marriage that ends within the first few years is usually treated as short, and one that breaks down within twelve months is at the very short end of that spectrum.

The length of the marriage matters when it comes to financial matters rather than the divorce itself. The court takes the duration of the marriage into account when considering how assets should be divided, and a short marriage can lead to a different outcome than a long one. Non-matrimonial assets, for example, property or savings brought into the marriage by one spouse, are more likely to be treated as separate when the marriage has been brief. However, this will ultimately be down to the courts to decide and will be assessed on a needs basis. The court’s main aim will be to restore the parties to their original position post-marriage.

For very short marriages, the courts may also consider any period of cohabitation that preceded the marriage as part of the overall picture, particularly where the relationship as a whole has been of considerable length.

Expert insight: How the courts treat short marriages

Matrimonial and non-matrimonial assets are defined and separated in a marriage of less than a year. Matrimonial assets are any assets acquired by either spouse, such as property, savings, inheritance and pensions during the course of their marriage. Non-matrimonial assets are any assets such as property, savings, inheritance and pensions accrued by any spouse before the parties married and/or after they separated.

There have been many landmark cases that detail the duration of the marriage as a central factor in financial remedy settlements. In the case of Sharp v Sharpe 2017, a departure from the equality was upheld, given that this was a short marriage of 6 years and there were no children.

The extent to which pre-marital cohabitation is counted when assessing the relationship as a whole – If the parties have lived together seamlessly before a marriage, the court will often count that cohabitation period towards the total length of the marriage.

An Alternative to Divorce: Annulling the Marriage

If you wish to end the marriage before the twelve-month rule allows a divorce, annulment may be available. An annulment is a legal declaration that the marriage either never existed in law, or that it existed but can be set aside on specific grounds.

Annulment is not a way around the twelve-month rule. It is a different legal route, available only where particular legal grounds are met. Unlike divorce, it is not about the breakdown of the relationship, but rather it is about the legal validity of the marriage itself or the circumstances in which it was entered into.

There are two categories of marriage that can be annulled:

• A void marriage is one that the law treats as never having been valid, for example, because one party was already married, or the parties are closely related.
• A voidable marriage is one that is legally valid until a court orders otherwise, for example, because it was not consummated or because one spouse did not give valid consent.

Annulment is a specialist area, and the grounds are narrowly drawn. Where the grounds do apply, it can be an important option for couples who should not, or who do not wish to, remain legally married for another year.

Expert insight: Grounds for annulment and how the process compares with divorce

The distinction between “void” and “voidable” marriages is that a void marriage is not legally binding. A marriage is void if the parties are closely related, under the age of 18 or if one of the parties to the marriage is already married. A voidable marriage is legally binding but can be deemed voidable if there is a flaw present at the time of marriage; examples can include a lack of consummation, lack of consent or a mental disorder.

The differences between an annulment application and a divorce application is that in order to obtain an annulment, you will need to apply to the court under form N84. The court fee for the application is £612.00, which is the same as a divorce application. When applying to annul a marriage, you must provide evidence to the court to support r the ground upon which you rely, such as medical evidence and/ or a statement. If the court is satisfied with the application, it will be issued, and the other party will have 14 days to respond. Thereafter, the application will follow a similar procedure to that of a divorce application, which will include an application for a Conditional Order and Final Order.

Financial ties are not automatically severed once the annulment is finalised. The parties will be required to issue proceedings or file a consent order under the Matrimonial Causes Act 1973. The court will generally have the same powers they would have if a divorce were underway.

Protecting Your Finances With a Separation Agreement

Although you cannot issue divorce proceedings within the first twelve months, you do not have to put financial matters on hold. A separation agreement is a written document, signed by both spouses, that records how you intend to separate your finances, property and any other practical arrangements.

A separation agreement typically covers how any jointly owned property will be dealt with, how savings, investments and pensions will be treated, who is responsible for any debts, and how ongoing expenses will be handled during the waiting period. Many agreements also confirm the intention to seek a clean break once the divorce proceedings are underway.

A separation agreement is not a court order, so it is not automatically binding in the same way. However, it can carry significant weight with the court if it has been properly prepared. To maximise its value, each spouse should have independent legal advice, there should be full and frank financial disclosure on both sides, and the terms should be fair in light of that disclosure.

Tip: Use the waiting period, do not lose it

The first twelve months do not have to be wasted time. Use the waiting period to negotiate a separation agreement, gather financial disclosure and agree the terms of a clean break. That way, you can convert the agreement into a binding consent order as soon as the divorce application can be issued.

Expert insight: The weight and scope of a separation agreement in a short marriage

The weight the court is likely to give to a separation agreement signed very early in a marriage, and the factors that strengthen or weaken its standing. A court will usually follow the terms of a separation agreement if it was freely entered into by both parties with a full appreciation of its implications, and it would be fair to hold them to the agreement.  

Full and frank financial disclosure matters, even where the marriage has been brief, and the assets appear limited. It is important that full and frank disclosure has taken place for the court to uphold a separation agreement because it ensures that both parties enter the agreement with a full appreciation of its implications. Disclosure protects both parties by allowing them to make a decision on the settlement with full knowledge of all the assets and demonstrates that the agreement was fairly negotiated.

It is unlikely that non-matrimonial property will be taken into account in a marriage of less than a year, as there has been no time for the property to be “matrimonialised”.

Step by Step: Ending a Marriage Within the First Year

The law prevents the divorce itself from starting in the first year, but there are several steps you can take from the moment the marriage breaks down. Following them in order makes the process smoother and reduces the risk of disputes later.

1. Take specialist legal advice early. Speak to a family law solicitor as soon as you are sure the marriage is over. They can explain whether annulment may be available, whether you should separate formally, and how to protect your financial position.
2. Separate in practice. You are free to live apart as soon as you decide to. Separation does not require a court order or any legal filing. Keep a note of the date you separated, as it can be useful later for financial and practical purposes.
3. Consider annulment where appropriate. If your circumstances suggest the marriage may be void or voidable, ask your solicitor to advise you on annulment. If the grounds apply, an annulment application can be made without waiting for the twelve months to pass.
4. Exchange financial disclosure. Both spouses should share full and honest information about their income, assets, pensions, property and debts. This disclosure is the foundation of any fair separation agreement or future financial order.
5. Negotiate a separation agreement. With independent legal advice on both sides, agree on the division of assets and any practical arrangements to cover the waiting period. Record the outcome in a properly drafted separation agreement.
6. Protect your position with supporting steps. Review and update your Will, change beneficiary nominations on pensions and life policies where appropriate, and close or separate joint accounts if you have agreed to do so.
7. Issue divorce proceedings after twelve months. Once the one-year mark has passed, you can apply for divorce under the no-fault process. Your solicitor will guide you through the application, the mandatory waiting periods, and the Conditional and Final Orders.
8. Convert the agreement into a consent order. During the divorce proceedings, your separation agreement can be used as the basis for a consent order. Once approved by the court, it becomes a legally binding financial order with a clean break, giving both of you certainty for the future.

Converting Your Agreement into a Binding Consent Order

A common misunderstanding is that a short marriage does not need a formal financial court order. This is not correct. Whatever the length of the marriage, each spouse retains financial claims against the other until those claims are dismissed by a court order.

A consent order is the document that formally records the financial settlement between you. It is drafted by solicitors, signed by both spouses, and submitted to the court for approval during the divorce proceedings. Once approved, it becomes a binding order of the court.

For short marriages, the most important feature of a consent order is usually the clean break. A clean break dismisses any future financial claims between you, including claims on income, pensions and future wealth. Without this, a former spouse could in theory, bring a financial claim years later, even after a very short marriage, if you come into money or assets they were not aware of at the time of separation.

It is therefore strongly advisable to convert a separation agreement into a consent order at the earliest opportunity once divorce proceedings begin. Doing so turns the private agreement between you into an enforceable court order, which is the only reliable way to achieve finality.

Expert insight: Consent orders and clean breaks after a short marriage

A clean break is particularly important in short marriages, due to the risk of future claims on post-separation success. The financial claims remain live until a financial settlement has been approved by the court. This means that either party could claim against the other’s assets even years after the divorce has been finalised unless a consent order has been made dismissing their claims against each other.

It is very simple to convert a separation agreement into a consent order where the parties are in agreement. It would be necessary to file a consent order with the court which reflects the terms of the separation agreement. The parties would not need to attend court in this scenario as the judge will consider the consent order and supporting documents on paper.

It is always advisable to enter into a consent order providing for there to be a clean break, even when there are “no assets” involved. Financial claims remain “live” unless a financial settlement approved by the court is in place. This means that parties can claim years later, even if the parties have moved forward in their lives.

Timeframes, Costs and What to Expect

Anyone considering ending a marriage within the first year understandably wants to know how long the process will take and what it will cost. The honest answer is that it depends on the route you take and the complexity of your finances.

If annulment is available, an application can be made without waiting for the twelve-month mark and is usually resolved within a few months, although timescales vary with the court and the grounds in question. If divorce is the only route, you will need to wait until the one-year point and then go through the no-fault process, which carries its own mandatory waiting periods of twenty weeks and six weeks and one day. In practice, even a straightforward no-fault divorce typically takes at least six months from issue to Final Order in the divorce proceedings. If parties are trying to settle finances before legally ending their marriage, the procedure can take longer.

Realistic timescales and cost expectations

There is no possible way to speed up an application for an annulment. Under the no-fault process, it typically takes 6-8 months to finalise the divorce.

Under the no-fault process it typically takes 6-8 months to finalise the divorce. If finances are involved, the process could take significantly longer depending on how amicable the parties are.

The cost of each case will vary depending on the type of assets involved and the level of cooperation between the parties. Once we have discussed your individual circumstances, we will provide a tailored estimate of our fees for the services you require, enabling you to plan ahead with confidence before commencing the process.

Our fees are fixed at £500 plus VAT (total £600) to represent an applicant in an undefended divorce. There is also a fee charged by the court (currently £612) upon issuing divorce proceedings. Our fees are fixed at £300 plus VAT (total £360) to represent a respondent in an undefended divorce.

When to Seek Legal Advice

Specialist family law advice is valuable at any stage, but in the context of a short marriage, it is particularly important to speak to a solicitor at an early point. The first year is a window in which careful decisions can protect you for many years to come.

It is worth seeking legal advice if any of the following apply:

• You have been married for less than a year and believe the marriage is over.
• You think your marriage may be voidable or void, for example because of non-consummation, lack of consent, or issues with the validity of the ceremony itself.
• You and your spouse own property together, have significant savings, pensions, or business interests, or one of you brought substantial assets into the marriage.
• You want to agree the division of assets while relations are still reasonably cooperative.
• Your spouse is being uncooperative, withholding financial information, or making threats about assets.
• You are concerned about domestic abuse, coercion, or safety within the relationship.

A solicitor can help you understand which route is open to you, manage expectations on time and cost, and put protections in place that a handshake or informal agreement cannot provide. Early advice is almost always less expensive than trying to unwind something later.

Speak to a Family Law Solicitor at Fullers

Thinking about ending your marriage in the first year?

Whether you are considering annulment, want to negotiate a separation agreement, or need to plan ahead for a divorce once the twelve months have passed, our family law team can guide you through the options. We will help you understand where you stand, protect your financial position, and give you a clear path forward.

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