Why do so many DIY wills end up causing problems?

In most cases, the problems come from innocent mistakes. People often use vague wording or leave out important legal phrases without realising how vital they are. Other times, the will isn’t signed correctly, or someone involved in the inheritance accidentally acts as a witness. These might seem like small issues, but they can cause major delays, disagreements, or even court cases after someone passes away.

Can I use an online template to write my will?

You can — and plenty of people do — but online templates are designed to be general, not personalised. If you have anything beyond a very simple situation (like children from previous relationships, shared property, business assets, or overseas accounts), the template might not cover what you need. It’s a bit like using a generic medical form for a specific health issue — it might work, but it might also miss something important.

Who is allowed to be a witness when signing a DIY will?

The rules are quite strict. Your witnesses must be adults who don’t benefit from your will, and they also can’t be married to anyone who benefits. This is because a beneficiary acting as a witness can make their inheritance legally void. A lot of DIY wills fail simply because a well-meaning friend or family member signs without realising the implications.

What happens if I forget to include certain assets in my DIY will?

When something isn’t mentioned in the will, it doesn’t disappear — it just becomes complicated. Those missed assets get handled through standard legal rules (called intestacy), which might not match what you intended. This can also delay the entire estate because the executor has to sort out what falls under the will and what doesn’t. It's much smoother when everything is listed clearly.

Can I change a DIY will after it’s been signed?

You can make changes, but not by scribbling in the margins or adding notes. Any handwritten edits usually cause more confusion and risk invalidating the will. Instead, you either create a codicil (a legally recognised amendment) or write a new will altogether. It sounds formal, but it prevents messy disputes later.

Is naming a family member as executor a bad idea?

Not at all. Many people choose a relative because they trust them and want someone familiar handling things. The important part isn’t whether they’re family — it’s whether they’re able to manage paperwork, deadlines, and communication without getting overwhelmed. And if they ever feel stuck, they can ask a professional to assist without giving up their role.

Do DIY wills consider inheritance tax?

Most DIY templates don’t explain how your decisions affect tax, and this can create avoidable costs for your loved ones. Inheritance tax can get complicated quickly, especially if you own property or have a larger estate. Without proper planning or advice, your family might end up with a bigger tax bill than necessary.

How often should I update a DIY will?

A will shouldn’t be something you write once and forget. Life changes — marriages, divorces, new children, property purchases, or even fallouts — all mean your will might not reflect your current wishes. Reviewing it every few years or after any big life event helps ensure everything stays accurate.

How can I check that my DIY will is actually valid?

The safest approach is to have a solicitor review it, even if you wrote it yourself. A quick check now can save your family months or even years of hassle later. It’s a relatively small cost for peace of mind, and it helps catch mistakes that are hard to spot unless you deal with wills regularly.

DIY Wills: Common Pitfalls and How to Sidestep Them

Name: Direct Will Trusts
Address: 123 Sample Street, London, UK, EC1A 1AA, UK
Telephone: 03300 100 547
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November 26, 2025

Writing your own will can feel like a simple, money-saving option. After all, there are templates everywhere online, and many people assume that as long as they write down who gets what, the job is done.

Unfortunately, DIY wills are one of the most common causes of delays, disputes, and even complete invalidation of someone’s final wishes. A will only works if it’s legally sound, clearly written, and properly executed — and this is where many DIY attempts go wrong. Here Are Things to Consider When You Decide to Separate in Your Will Cambridgeshire

Below are the most frequent mistakes people make when writing their own will, along with practical ways to avoid them.

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Leaving Out Vital Legal Wording

A will must include specific wording to make it legally valid. DIY templates often skip essential phrases, or people remove sections because they look “too formal.” Without the right language, the document might not meet the legal requirements, which can leave your estate in limbo.

How to sidestep it:

Use a legally recognised structure and make sure core elements — such as revocation of previous wills, appointment of executors, and clear distribution instructions — are included. If you’re unsure, have a professional review it before signing.

Incorrect Signing and Witnessing

The most frequent mistakes are failure to execute the will properly. Two independent UK witnesses are required who cannot be beneficiaries or married to beneficiaries. Many DIY wills are even mistakenly witnessed by family members — leading to elements of the inheritance being declared invalid.

How to sidestep it:

You always want to follow the signing rules exactly. Your will should be dated and signed, both by you (in the presence of two independent adults who also witness your will) and by those witnessing it. Shun witnesses that stand to gain anything from the will.

Vague or Confusing Instructions

DIY wills often include unclear statements like “my savings” or “the house,” without specifying account numbers, addresses, or percentages. Vague wording can trigger disputes because family members may interpret things differently.

How to sidestep it:

Be specific. State full names, exact assets, percentages, and conditions. If you want to give someone “everything in my home,” be clear whether that means personal items or the property itself. Click Here Lasting Power of Attorney: Expert Tips and Advice

Not Accounting for All Assets

People regularly forget digital assets, pensions, premium bonds, overseas accounts, or jointly owned property. When assets are missed, executors must spend extra time tracking everything down, which slows down the entire estate administration.

How to sidestep it:

Create a thorough asset list and review it every couple of years. Make sure your executors know where to find key documents, passwords, or policy details.

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Choosing the Wrong Executor

A good executor needs to be organised, level-headed, and capable of managing paperwork, deadlines, and communication. Many DIY wills name someone unsuitable — or name multiple executors who don’t get along.

How to sidestep it:

Choose someone reliable, or consider appointing a professional alongside a family member. Think carefully about whether co-executors will realistically work well together.

Failing to Address Guardianship

The parents usually take it for granted that the guardianship is open and shut, so they blow past this step. But the courts will decide if you fail to designate legal guardians for your kids. This may mean delays and emotional stress for the family.

How to sidestep it:

Explicitly specify whom you would like to act as guardian, and name an alternative in the event that your first choice is unable to serve.

Ignoring Tax Planning

DIY wills almost never take into account inheritance tax, which can mean your loved ones receive much less as a result. Small errors — like accidentally giving an entire estate to children rather than to a spouse — can set off unwanted tax bills.

How to sidestep it:

Consult with a tax specialist or estate planner about how to set up your will in the most efficient manner. Small adjustments can save thousands. See Here Estate Planning Conversations with Relatives: How Direct Will Trusts Can Simplify the Process Cambridgeshire

Not Updating the Will When Life Changes

A big life change — marriage, divorce, new children, buying property — can instantly make a DIY will out of date. Most people don’t get around to updating that paperwork, leaving beneficiaries vulnerable.

How to sidestep it:

Review your will every several years, or whenever a major life event occurs. A will isn’t a one-time shot; it requires maintenance.

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FAQs

Q: Are DIY wills actually legal?

Yes, they can be — but only if they’re written and executed properly. It’s not the legality of it that I’m concerned about, but the truth. DIY will: A tiny slip in language, witnessing or wording can render a DIY will invalid, regardless of your true intent.

Q: Why are so many DIY wills problematic?

The vast majority of issues stem from unclear language, missing legal clauses or improper signing.” Many people underestimate how accurate a will needs to be, and even one innocent error can lead to confusion or disputes down the road.

Q: Can I use a template that I find online to write my will?

You can — but templates don’t apply to all situations. If your life, family or financial situation is even the tiniest bit complicated — kids from a previous marriage, foreign property, business assets — you may not get what you need with a form.

Q: Who can be a witness to my DIY will?

Your signature can be witnessed by any adult who is not a beneficiary (or the spouse of a beneficiary). Using inappropriate witnesses is one of the most prevalent DIY errors and can nullify sections of the will.

Q: What if there are things that I forget to put into my DIY will?

Those assets will be covered by “residue” or intestacy rules. Its results can be delayed and unpredictable. That is why having a thorough checklist for your assets is critical.

Q: Can I update a DIY will after it’s been executed?

You don’t just sort of scratch things out and start writing them again. You will have to prepare a codicil or you must write new will. Hand written edits are generally a bad thing.

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