While arranging your mortgage and securing your insurances are vital steps to protecting your current lifestyle, planning for what happens after you are gone is the ultimate way to safeguard your family. Writing a Will (Last Will and Testament) is one of the most selfless and important financial planning decisions you can make.
Despite this, over half of UK adults do not have a valid Will. At Kallo Finance, we believe that estate planning is a cornerstone of true financial security. Here is everything you need to know about making a Will in the United Kingdom.
1. What is a Will and Why Do You Need One?
A Will is a legally binding document that outlines exactly who should inherit your assets (such as your property, savings, investments, and personal belongings) and who should look after your children if you pass away.
If you die without a valid Will in the UK, you are declared “Intestate.” In this scenario, the government’s strict and rigid laws (the Rules of Intestacy) decide how your estate is distributed. This often leads to distressing and unintended consequences:
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Unmarried partners have no automatic right to inherit anything under the Rules of Intestacy, regardless of how long they have lived together.
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Stepchildren are completely excluded from automatic inheritance.
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The division of assets can lead to severe Inheritance Tax (IHT) bills that could have been completely avoided with a properly structured Will.
2. Main Types of Wills
Depending on your marital status, family dynamics, and financial complexity, there are different types of Wills available to suit your circumstances:
| Will Type | What It Is | Best For |
| Single Will | A Will written for one individual, outlining only their personal wishes and assets. | Single people, or individuals who want to distribute their personal estate independently. |
| Mirror Wills | Two separate Wills written for couples (married or unmarried) that are virtually identical, leaving everything to each other first, and then to children or other loved ones. | Couples with similar wishes who trust each other to pass on the joint estate to the next generation. |
| Trust Wills | A Will that puts some or all of your assets into a Trust after you die, rather than giving them directly to beneficiaries. | Protecting assets for young children, protecting property from care home fees, or managing inheritance for vulnerable beneficiaries. |
3. Key Elements of a Valid Will
When drafting your Will, you will need to make several important decisions and define specific roles:
The Executors
These are the people you appoint to carry out the instructions in your Will. They will handle your finances, pay off any remaining debts, and distribute the remaining estate to your beneficiaries. You can choose friends, family members, or professional executors (like solicitors).
The Beneficiaries
These are the people, charities, or organizations who will inherit your money, property, or possessions. You can leave specific gifts (e.g., a piece of jewellery), a set amount of cash, or a percentage of your remaining estate (the “residue”).
Legal Guardians for Minor Children
If you have children under the age of 18, this is arguably the most critical part of your Will. You must appoint legal guardians to look after them if both parents pass away. Without a Will, the UK courts/social services will decide who raises your children.
4. How to Make a Will Legally Binding in the UK
For a Will to be legally valid in England and Wales, it must meet very strict legal criteria. If these rules are not followed, the Will can be successfully contested or declared void:
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Written Form: It must be in writing (typed or handwritten).
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Mental Capacity: You must be of sound mind (have “testamentary capacity”) and make the Will voluntarily, without pressure from others.
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Age: You must be 18 years of age or older.
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Signing and Witnessing: You must sign the Will in the physical presence of two independent witnesses (aged 18 or over), who must then sign the Will in your presence.
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Crucial Warning: A witness—or their spouse/civil partner—cannot inherit anything from the Will. If a beneficiary witnesses your Will, any gift left to them will be legally void.
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Crucial Tip – Lifetime Events Automatically Cancel Your Will: Many people do not realize that in England and Wales, getting married or entering into a civil partnership automatically revokes (cancels) any existing Will you have in place, unless the Will was specifically written “in contemplation of” that marriage. Conversely, getting divorced does not cancel your Will, but it does remove your ex-spouse as a beneficiary or executor. Therefore, major life changes always require a review of your Will.
5. Wills and Inheritance Tax (IHT) Planning
A professionally drafted Will is not just about distributing your assets; it is also a powerful tool to minimize the amount of Inheritance Tax your estate has to pay (currently charged at 40% on estates above the tax-free thresholds).
By utilizing your personal Nil-Rate Band (£325,000), the Residence Nil-Rate Band (up to £175,000 when passing a home to direct descendants), and incorporating trusts or charitable giving, a specialist can help you pass on as much of your hard-earned wealth as possible to your loved ones, rather than to HMRC.
Kallo Finance Ltd is an appointed representative of Sesame Ltd which is authorised and regulated by the Financial Conduct Authority.
