In brief
- Divorce could silently undo your Will. Many people don't realise that a final divorce order automatically strips a former spouse from their Will, but the gap during proceedings is often overlooked entirely.
- The financial stakes are higher than you think. From inheritance tax exposure to pension nominations and jointly owned assets, separation triggers a web of financial and legal consequences that go far beyond the divorce settlement itself.
- Getting it wrong can cost your family dearly. Outdated Wills, conflicting guardian appointments, and missed nomination forms can lead to assets passing against your wishes, avoidable tax bills, and costly court disputes at an already difficult time.
Introduction
Your Will is one of the most important documents you will ever sign. The personal and financial stakes of keeping your Will current should not be underestimated. Generally, you should review your Will every few years and if there is a significant change in your circumstances.
Few events in life create more legal and financial complexity than divorce, dissolution of a civil partnership, or separation. This is a guide to some of the key Will-related considerations that may arise during this process.
The effect of divorce on an existing Will
Many people are unaware of the legal consequences that divorce or dissolution of a civil partnership has on an existing Will. Under English law, once the final divorce or dissolution order has been granted, any existing Will takes effect as though your former spouse or civil partner had died before you - unless your Will expressly provides otherwise.
Given that divorce proceedings can often span months or years, there is a potentially significant interim period during which your existing Will remains operative in favour of your spouse or civil partner. Addressing this interim exposure should be considered, in conjunction with your family lawyers.
Where there is an international element to your case, for example with assets or residency across multiples jurisdictions, the laws of all relevant countries should be checked. Conflicts between jurisdictions can give rise to complex and costly disputes.
Managing the interim period
During the divorce or separation proceedings, careful thought should be given to what provision, if any, you wish to make for your spouse or partner in the event of your premature death. This is not merely a personal question – it has important legal dimensions. A failure to make any provision could expose your estate to a claim.
A common and flexible solution for some people is the use of a discretionary trust in your Will, accompanied by a carefully drafted letter of wishes to your trustees. This structure allows your trustees to exercise judgment in distributing assets, taking into account the personal, financial and tax circumstances at the time of your death, including the status of any ongoing proceedings. It affords both flexibility and protection.
Inheritance tax considerations
The tax treatment of transfers between couples who are married, separated and divorced is materially different. The inheritance tax advantages that apply whilst you are married change after the final divorce order so it might make sense to structure your Will to benefit from the exemption in the meantime.
Addressing outstanding obligations post-separation
Once the financial terms of a divorce or separation have been agreed, your Will should be reviewed to determine whether any obligations arising from the settlement may remain outstanding at the time of your death. You might need to include a direction to your executors in your Will to meet any obligations that are outstanding at your death to your former spouse / partner. This would typically be expressed as a liability of your estate, rather than as a legacy. This distinction has meaningful tax consequences: treating an obligation as a liability of the estate can produce a more favourable inheritance tax outcome than framing it as a gift.
Conversely, in some cases the Will should expressly record that no provision has been made for a former spouse or partner by reason of a separation agreement. This can be important in defending against potential claims.
Close and early collaboration between your private client lawyer and your divorce lawyer is therefore essential. These two workstreams should not operate in isolation.
Guardianship of minor children
For people with children under 18, the appointment of guardians in the event of your death is a matter of the greatest importance. Wherever possible, the appointment of guardians should be coordinated with the other parent to avoid the risk of two separately appointed guardians subsequently disagreeing on fundamental questions relating to the child's upbringing, education, and welfare. Conflicting appointments can lead to court proceedings at an already difficult time.
Assets passing outside your Will
People frequently hold significant value in assets that sit outside the scope of their Will. These include:
- Life insurance policies written in trust.
- Death in service benefits – typically governed by a nomination form submitted to the scheme trustees.
- Pension funds – again, usually payable in accordance with a nomination form.
- Jointly owned assets – where property is held as joint tenants, it will pass automatically to the surviving co-owner(s) by operation of law, rather than under your Will.
Each of these should be reviewed as a matter of urgency on separation or divorce. Nomination forms are often overlooked and may reflect intentions that are outdated. The form of co-ownership of jointly held assets should also be examined to ensure it remains consistent with your current wishes and overall estate plan.
Conclusion: act early and act comprehensively
Divorce and separation are, by their nature, stressful and emotionally demanding. It is, however, precisely in these circumstances that clear-headed legal and tax planning is most critical. Failing to update your Will - or to review the broader matrix of your estate plan - during this period can result in assets passing in ways that are contrary to your intentions, unnecessary tax exposure, and potentially damaging disputes.
We strongly recommend that clients navigating separation or divorce seek coordinated advice from their private client, tax, and family lawyers at the earliest opportunity. The goal is to ensure that your Will and estate planning arrangements accurately reflect your changed circumstances, protect your interests during any interim period, and position you and your estate appropriately for the future.
How can we help
For further information, advice, or any questions relating to the above, please contact Fiona Lewsey, Senior Counsel in our Private Wealth and Tax team, who works alongside Antonia Felix, Partner in the Family team on such matters.