Codicil to a Will
A codicil allows you to make minor changes to an existing will without replacing it entirely. We advise on whether a codicil is the right approach for your circumstances — and draft it to ensure it is legally valid.
What Is a Codicil?
A codicil is a legal document that amends or supplements an existing will. It is used to make minor, targeted changes — such as changing an executor, adding a beneficiary, or updating a specific gift — without replacing the whole will.
A codicil must meet the same formal requirements as a will: it must be in writing, signed by you in the presence of two independent witnesses who also sign. A codicil that does not meet these requirements is invalid.
It is important to note that you cannot simply cross out or write over your existing will — any alterations made to a will after it has been signed are invalid unless they are made by a properly executed codicil. We strongly recommend having any changes to your will made by a solicitor.
Important Reminders
- Never cross out or write over your will
- A codicil must be signed and witnessed
- Keep the codicil with your original will
- Marriage revokes a will — make a new one
- Review your will after major life events
When Is a Codicil Appropriate?
Changing an Executor
If an executor has died, lost capacity, or you simply wish to appoint someone different, a codicil can update this without replacing the whole will.
Adding or Changing a Beneficiary
A codicil can add a new beneficiary, change the share a beneficiary receives, or remove a beneficiary from the will.
Changing a Specific Gift
If you want to change a specific gift — for example, leaving a piece of jewellery to a different person — a codicil can do this without affecting the rest of the will.
Updating Guardianship
If you wish to change the guardian appointed for minor children, a codicil can update this provision.
When to Make a New Will Instead
A codicil is not always the right approach. Consider making a new will if any of the following apply:
We will always advise on the most appropriate approach for your circumstances.
Our Will Writing Team

David Stahler
Wills, Trusts & Estates Executive
Will Writing & AmendmentsDavid is our first point of contact for clients enquiring about wills and codicils. He brings a warm, personable approach to what can be a sensitive subject — and clients consistently remark on how at ease he makes them feel.

Laura Kirton
Wills & Probate Solicitor · 10 Years Qualified
Will Writing & AmendmentsLaura is a qualified solicitor with ten years' post-qualification experience, specialising in wills, probate, and lasting powers of attorney. She regularly advises clients on whether a codicil or a new will is the most appropriate way to update their estate planning.
Frequently Asked Questions
What is a codicil to a will?
How do I make a codicil to my will?
Can I write a codicil myself?
When should I make a new will instead of a codicil?
Does marriage or divorce affect my will?
How much does a codicil cost?
Speak to Our Team
We can advise on whether a codicil or a new will is the right approach for your circumstances, and draft the document to ensure it is legally valid. Contact us for a no-obligation discussion.
Speak to a wills and estates solicitor today. Sensitive, professional advice — costs explained clearly before any work begins.
No obligation — talk through your options first. Chester, Cheshire & North Wales.