A–Z Estate Planning Glossary UK

Estate planning can feel overwhelming, especially when you’re faced with complex legal jargon and unfamiliar terminology. Whether you’re writing your first will, setting up a trust, or considering a Lasting Power of Attorney, understanding the language used in estate planning is crucial. That’s why we’ve created this comprehensive A to Z guide. Designed for individuals and families across the UK, this jargon-busting glossary breaks down key terms in plain English. It’s a valuable resource whether you’re starting your estate plan or reviewing existing arrangements. At Town & Country Law, we believe clear knowledge leads to confident decisions and peace of mind for the future.

A. Administrator

The person appointed by a court to manage an estate when no valid will exists.
For support with intestacy estates, see our Will Writing Services.

B. Beneficiary

Anyone entitled to receive assets under a will or trust—individual or charity.
To learn about planning for beneficiaries, check our Family Trusts Guide.

C. Codicil

A formal amendment to a will, used to make small changes without rewriting it.
We offer services to draft codicils via our Wills Writing Services.

D. Deputy

A person appointed by the Court of Protection to make decisions on your behalf if no Power of Attorney is in place.

E. Estate

Refers to all your assets at death, minus debts and expenses.
We manage full estates via our probate services. Discover more on our Probate & Estate Administration page.

F. Executor

The individual named in your will to administer your estate.
We assist clients in appointing executors correctly.

G. Gifts

Lifetime transfers of money or assets. Certain gifts may reduce inheritance tax liability.

H. Inheritance Tax (IHT)

A tax on assets transferred on death. Proper planning can minimize your IHT liability.
Find IHT planning advice within our Family Trusts Guide.

I. Intestacy / Intestate

Occurs when someone dies without a valid will, and legal rules determine who inherits.
Help with inherited estates under intestacy can be found here: Probate Services.

J. Joint Tenancy vs Tenants in Common

Two ways to hold jointly owned property:

Joint Tenancy: passes automatically to co-owner on death.
Tenants in Common: you can leave your share in a will.
Understand your options by reading our ‘Tenants in Common vs Joint Tenants: What’s the Difference for Your Will?‘ guide.

K. Life Interest Trust

A trust where someone benefits from assets during their lifetime, then passes them on to others.
This structure is explained in our Family Trusts Guide.

L. Living Will / Advance Decision

A declaration of medical treatment preferences if you lose capacity.
Often prepared alongside a Lasting Power of Attorney. Find out more by visiting the Lasting Powers of Attorney page.

M. Mirror Wills

Matching wills made by two people (e.g., spouses), usually reflecting identical terms.
You can read everything you need to know by reading our Mirror Wills Guide.

N. Nil‑Rate Band

The tax free inheritance threshold (£325,000 as of current UK rules), below which no IHT is payable.

O. Office of the Public Guardian (OPG)

The Office of the Public Guardian is a government body in England and Wales responsible for overseeing the use of Lasting Powers of Attorney (LPAs), Enduring Powers of Attorney (EPAs), and Court of Protection decisions. Their role includes registering LPAs, investigating concerns about attorney misconduct, and maintaining official records. If you’re setting up an LPA, it must be registered with the OPG before it can be used—even if the donor still has mental capacity. The OPG plays a crucial part in protecting vulnerable individuals and ensuring attorneys act in their best interests.

P. Power of Attorney / Lasting Power of Attorney (LPA)

A document allowing someone to make financial and/or health decisions on your behalf if you lose capacity.
Our LPA drafting and registration service is available here: Lasting Powers of Attorney page.

Q. Quasi‑Professional Executors

Trusted individuals with organisational skills like accountants or legal advisers appointed to act under a will.

R. Residuary Estate

Everything left after specific gifts, debts, and taxes are paid out. Typically left to residuary beneficiaries in your will.

S. Sole Legal Owner

When you own an asset entirely in your own name (not jointly). It must be specifically managed in your will.

T. Tax Efficiency

Estate strategies—gifts, trusts, LPAs—that keep inheritance tax and probate costs low.
Learn about tax-efficient planning in our Family Trusts Guide.

U. Unconditional Gift

A gift without strings attached. Some may benefit from inheritance tax relief if made more than seven years before death.

V. Vesting

Occurs when beneficiaries receive full access to trust-held assets, often after conditions like age milestones.

W. Will

A legal document stating how you wish your assets to be distributed, who you appoint as executor, and guardians for minors.

X. Xmas Gifts & Small Gifts

Occasional small gifts like birthday or holiday presents—usually exempt from IHT if they remain within reasonable limits.

Y. Your Wishes (Letter of Wishes)

A non-binding note to guide executors or trustees on your intentions behind trust or Will terms.

Z. Zoning Your Asset Protection

The proactive process of safeguarding assets for trusts, special legacies, or vulnerable beneficiaries, to preserve long-term security and mitigate risks of disputes or IHT.