Mirror Wills are a popular choice for married couples and civil partners in England and Wales who want to protect each other and eventually pass their Estate to future generations.
What are Mirror Wills?
Mirror Wills are created by two people, most commonly spouses or civil partners, and “mirror” each other’s wishes. Rather than being exactly identical wills, they are two separate legal documents. While they are reciprocal, each person retains the right to change their Will.
Anyone with shared wishes can make a Mirror Will, including unmarried couples, business partners, and siblings. The Wills must be signed and witnessed correctly to be legally binding.
For couples, Mirror Wills are often the first step in a wider Estate Planning process, which might include Inheritance Tax Planning, Care Fee Planning and the setting up of Trusts.
How Mirror Wills work for couples and the surviving partner
Typically, Mirror Wills are simple agreements that state:
- When the first person dies, their Estate passes to their partner/spouse
- When the second partner/spouse dies, the remaining Estate passes to either their children or other named Beneficiaries, for example, parents.
The Estate may include property, savings, investments, and personal possessions.
It’s important to recognise that, unlike a Mutual Will, a Mirror Will is two Wills. Either partner can change their Will at any time.
What are the benefits of Mirror Wills?
Mirror Wills are reliable and straightforward for many couples. Aside from the peace of mind that making a Will offers, the key benefits include:
Benefits of Mirror Wills | |||
Financial security for the survivor | Simplicity | Cost efficiency | Flexibility |
Peace of mind that your partner is provided for if you pass away first. Usually, assets are passed on to a spouse or civil partner free of Inheritance Tax. | Ideal when both partners want the same things and have the same Beneficiaries. It also cuts down on probate administration, making it easier for the Executor. | The cost of creating mirror Wills is usually lower, as they are structured the same way and are more straightforward. | Each partner has full control over their own Will and can change it at any time. This means the surviving partner can change their Will should their circumstances change. |
What are the risks of Mirror Wills?
While Mirror Wills are straightforward in concept, there are a few risks to consider.
Mirror Wills can be changed by either person
Although they reflect the same wishes, Mirror Wills are still two individual wills. They are not legally binding agreements between the parties, and each person retains “Testamentary Freedom”.
This means changes can be made without the other person knowing.
In practice, this means one partner could:
- Add or change Beneficiaries
- Change how the Estate is distributed
They can do this while the other partner is alive, and they have no legal obligation to inform them.
While this offers flexibility for the surviving partner, it clearly carries a risk that the other partner’s intentions will be superseded.
Mirror Wills and the risk of children being disinherited
As described above, Mirror Wills do not legally bind the surviving partner to the original plan. This means there is a risk that your children won’t inherit if your partner remarries.
For example:
- Mark and Diana are married with two grown-up children.
- They make mirror Wills, leaving the entire Estate to each other, then to the children upon the second death.
- Mark dies. Diana remarries Bob, which revokes the existing Will she made with Mark. She doesn’t make another Will.
- When Diana passes away, Bob inherits her Estate via the Rules of Intestacy, meaning her children aren’t legally entitled to inherit anything.
This is why we often recommend considering a Will Trust alongside a Mirror Will.
Mirror Wills and the care fees risk
Without a Trust in place, when the first partner dies, the entire Estate passes to the other. While the intention is clear, having the entire Estate in their name can expose them to future care costs.
Care fees are means-tested, and the value of the Estate may put them over the care fees threshold. This could mean they have to pay for care in full, leaving less to pass on to their beneficiaries. This can put the family home at risk.
To manage this risk, we would recommend a Property Protection Trust to allow the surviving spouse/partner to continue living in the home, while protecting the first partner’s share for future generations.
Are Mirror Wills suitable for everyone?
Simple Wills like Mirror Wills may not provide sufficient protection if:
- You have a blended family: Your children from a previous relationship are not legally protected if your current partner changes their Will after you die.
- You are concerned about Beneficiaries being cut out: If your partner changes their Will or remarries, your loved ones may not inherit as you intended.
- You own a business or farm: Under new 2026 tax rules, Mirror Wills can “waste” valuable reliefs like BPR or APR. Read more here about the recent changes to agricultural property relief.
- Your Estate is complex or high-value: If your assets exceed £2 million, you risk losing the “Residence Nil-Rate Band” due to tapering, which could result in a much higher tax bill.
- You want a legally binding guarantee: Mirror Wills are built on trust. If you want a plan that cannot be changed after the first person dies, even in the case of a second marriage, you need to include a Life Interest Trust or, instead, make a Mutual Will.
In these circumstances, we strongly advise you to seek the guidance of one of our experienced Advisers. They will help you put the right provisions in place to ensure your wishes, legacy and Beneficiaries are protected.
Using Trust Wills alongside Mirror Wills
One way to protect your Beneficiaries is by using Trusts. Rather than passing everything outright at the first death, a Trust allows part of the Estate to be ringfenced for the Beneficiaries.
Two typical Will Trusts used with Mirror Wills are:
- Life Interest Trust: This allows the surviving spouse/partner to benefit from assets such as savings, investments, and property during their lifetime, while protecting the Estate for the chosen Beneficiaries upon their death.
- Property Protection Trust: The surviving partner can continue living in the family home, but the protected share is ring-fenced for the Beneficiaries, most often the children. This can help reduce the risk of disinheritance and future care fees.
Why property ownership matters (Tenants in Common vs Joint Tenants)
How your property is owned can significantly affect your Estate Planning.
- Joint Tenants: The property automatically passes to the surviving partner, regardless of your Will
- Tenants in Common: Each person owns a defined share, which can be directed through their Will
Therefore, for couples using Trusts alongside Mirror Wills, holding property as Tenants in Common is essential.
Why make a Mirror Will with Redwood Financial?
Decades of experience | Awards and reviews | Fixed pricing and satisfaction guarantee | Family-focused |
With more than 40 years of combined experience in Will writing and Estate Planning, we can help you make confident decisions about your future. | Award-winning and recognised by the Trading Standards Buy With Confidence scheme. View our many 5-star reviews here. | Our costs are transparent and clearly stated upfront. We offer a no-quibble Service Satisfaction Guarantee. | We are a family-run firm and understand that making a Will is not just a legal process; it is about protecting the people you love. |
How to get started
- Attend a free webinar: If you are making a Will for the first time, it can feel overwhelming. That’s why we recommend that you attend one of our free webinars to learn the fundamentals of Estate Planning before you go ahead. You are under no obligation at this stage.
- Initial meeting: You will be invited to meet with an Adviser, either in person, by phone, or via video call, to discuss your personal circumstances and wishes.
- Recommendations: We will send you a Discovery Pack outlining your options and full costs. You can choose to implement all, some or none of our recommendations.
- Implementation and signing: We will arrange for you to sign your Will in front of two witnesses, which is essential to make it legally binding.
- Document storage and registration: If you wish, we can offer secure document storage and/or register your Will.
If you are considering creating a Mirror Will, reviewing your existing arrangements, or exploring more advanced options such as Trusts, we are here to help you plan with confidence.
Contact us in the first instance, or register for one of our free webinars.
Frequently asked questions about Mirror Will writing services
How much do Mirror Wills cost in the UK?
Mirror Wills are often more cost-effective than complex wills as they are easier and quicker to draft. The actual cost depends on your circumstances, the complexity of your Estate and whether you are creating Trusts at the same time. At Redwood Financial, we provide transparent costs following an initial meeting.
Do I need a professional Will service for a Mirror Will?
A professional Will writing service can make sure your Mirror Wills are legally valid and clearly structured. Getting it right now can help avoid delays, costs, disputes or other legal complications later.
Are Mirror Wills the same as Joint Wills or Mutual Wills?
Mirror Wills are different to both Joint Wills and Mutual Wills.
- Mirror Wills: Two separate Wills reflecting the same wishes, but not legally binding between both parties.
- Joint Wills: A single Will covering two people (which is uncommon).
- Mutual Wills: A legally binding agreement that cannot be changed after one partner dies
Mirror Wills are the most flexible option, but they require careful planning and regular reviews to ensure your wishes are protected over time.
