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Estate Planning

Wills vs Trusts: Which Does Your Family Actually Need?

7 min read · Reviewed by the Fairchild Oldfield team · June 2026

Wills and trusts illustration

Wills and trusts are the two foundations of estate planning, and they are often confused. The honest answer to which you need is usually both, working together. Understanding what each one does is a helpful step when thinking about your family and the tax position of your estate.

What a will does

A will is a legal document that sets out who inherits your assets after you die, who looks after any children, and who administers your estate. Without a valid will, the rules of intestacy decide who benefits, and that may not reflect your wishes at all. Unmarried partners, for example, inherit nothing under intestacy.

A will is an important foundation, but it has limits. It only takes effect on death, it becomes a public document once probate is granted, and on its own it may do little to limit the impact of care fees, divorce or inheritance tax.

What a trust does

A trust is a legal arrangement where assets are held by trustees for the benefit of others. Unlike a will, a trust can operate during your lifetime as well as after death, and it gives you far more control over how and when beneficiaries receive what you leave them.

Trusts can be useful for protection. Depending on the circumstances, they may help with probate delays, help ringfence an inheritance against a beneficiary's divorce or creditors, provide for vulnerable family members, and form part of a wider inheritance tax approach.

The simplest way to think about it: a will decides who gets what. A trust controls how they get it, and protects it along the way.

How they work together

For most families, the strongest plans combine the two. A will can create a trust on death, known as a will trust, so that assets pass into a protected structure rather than directly to beneficiaries. This is particularly valuable for protecting a surviving spouse's home, providing for children from a previous relationship, or helping to limit the impact of future care costs on an inheritance.

A will without a trust leaves gaps. A trust without a will leaves loose ends. Used together, they cover both.

So which do you need?

Getting it right

Because trusts can carry tax and administrative consequences, they are generally best not set up from a template. Where relevant, we aim to consider the tax position alongside the drafting, and discuss a combination of will and trust that may suit your circumstances.

Not sure which you need? Book a free consultation and we can talk through the structures that may suit your circumstances, with fees agreed before we proceed.
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Wills, trusts and tax, considered together with one point of contact.

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