Hong Kong Will and Probate: Common Mistakes That Invalidate Your Will in 2026
Abstract — It is easy to make a will Hong Kong courts will uphold, and surprisingly easy to get it wrong. Under the Wills Ordinance (Cap. 30), a will is invalid if it is not properly signed and witnessed, if the person lacked mental capacity, or if it was made under undue influence. A gift to someone who witnessed the will usually fails, and marriage generally revokes an earlier will. If you own assets in the Greater Bay Area, one Hong Kong will may not be enough. This guide gives a practical mistakes checklist and an outline of probate.
Introduction
A will is the most important document most people never check. Get it right and your estate passes smoothly to the people you choose; get it wrong and your family may face cost, delay and an outcome you never intended. With Hong Kong's ageing population and growing cross-border ties, careful estate planning Hong Kong 2026 residents can rely on has never mattered more. Under the Wills Ordinance (Cap. 30), a will in Hong Kong is invalid if it fails the basic formalities, if the maker lacked capacity, or if it was procured by undue influence. This guide focuses on the mistakes that quietly turn a will into an invalid will HK families end up litigating, and on what the probate process looks like afterwards.
Wills Ordinance requirements
For an ordinary will to be formally valid under the Wills Ordinance (Cap. 30), it must be:
● In writing.
● Signed by the testator (the person making the will), or signed by someone else in the testator's presence and at their direction.
● Signed or acknowledged by the testator in the presence of two or more witnesses, present at the same time.
● Attested and signed by those witnesses in the testator's presence.
Beyond the formalities, the testator must have testamentary capacity. The long-standing common-law test from Banks v Goodfellow (1870) requires that they understand the nature of making a will and its effects, the extent of their property, and the claims of those they might be expected to provide for. They must also know and approve the contents, and act free of undue influence.
A useful point of reassurance: Hong Kong has no estate duty (it was abolished for deaths occurring on or after 11 February 2006), so for most families the issue is getting the will valid and clear, not death tax.
A practical tip: the safest will is one that is professionally drafted, correctly witnessed, dated, and stored where your executor can find it. Tell your executor where the original is kept (the court generally wants the original, not a photocopy), avoid stapling or removing anything after signing, and keep a short list of your assets alongside it. These small habits prevent a surprising number of disputes.
Common invalidating mistakes
1. A beneficiary (or their spouse) witnesses the will. The will can still be valid, but the gift to that witness generally fails under the Wills Ordinance. Use two independent, adult witnesses with no interest in the estate.
2. Defective signing or witnessing. Witnesses not present at the same time, a missing signature, or signing in the wrong order can all invalidate the will.
3. Marriage (or remarriage) after making the will. Marriage generally revokes an existing will unless the will was made in contemplation of that marriage, a classic trap for people on second marriages.
4. Lack of capacity or undue influence. Wills made when the testator was seriously unwell, or under pressure from a relative or carer, are vulnerable to challenge. Where capacity is in any doubt, obtain a contemporaneous medical opinion (the "golden rule").
5. Unclear or contradictory wording. Ambiguity invites disputes. The court will try to give effect to every word, but vague gifts and undefined terms cause costly construction arguments.
6. Not revoking earlier wills, or leaving multiple inconsistent wills and codicils in circulation.
7. Forgetting to appoint (or back up) an executor, or naming someone unwilling or unable to act.
8. Letting the will go stale. Births, deaths, divorce, new property or a move abroad can all undermine an old will.
If you die without a valid will, your estate is distributed under the fixed rules of the Intestates' Estates Ordinance (Cap. 73). Hong Kong intestacy law decides who inherits and in what shares, which may be very different from your wishes. In broad terms, a surviving spouse takes the deceased's personal effects and a fixed statutory sum, and then shares the remainder with the children; if there are no children, the spouse may share with the deceased's parents or siblings, and only takes the whole estate if none of those survive. An unmarried partner has no automatic entitlement at all on intestacy, a point that surprises many couples and is one of the strongest reasons to make a will. The exact statutory figures are set by the Ordinance and adjusted from time to time, so check the current amounts rather than relying on an old guide.
Greater Bay Area and cross-border issues
Many Hong Kong families now hold assets across the boundary, such as a flat in Shenzhen, a Mainland bank account, or a business interest in the Greater Bay Area (GBA). This is where estate planning most often goes wrong.
● Different legal systems. Hong Kong succession follows common-law principles and its own Ordinances; Mainland China applies its own succession law under the PRC Civil Code. A Hong Kong grant does not automatically control Mainland assets.
● Separate processes. Realising Mainland assets usually requires a separate procedure on the Mainland, often involving notarised documents and, in practice, significant time.
● Consider parallel wills. Many advisers recommend a separate will for each jurisdiction, each professionally drafted so the two do not accidentally revoke or contradict each other.
● Forced heirship and matrimonial property. Mainland rules on family provision and marital property can produce outcomes that differ from a Hong Kong will, so cross-border plans need coordinated advice.
The practical message: if you own GBA or other overseas assets, do not rely on one Hong Kong will alone. Map every asset to the law that governs it.
The probate process
When someone dies, their estate is administered under the Probate and Administration Ordinance (Cap. 10) through the Probate Registry of the High Court:
1. Locate the will and identify the executor(s), or, if there is no will, the people entitled to apply to administer the estate.
2. List the assets and liabilities in Hong Kong, and identify any overseas assets needing separate handling.
3. Apply for the grant, which is a grant of probate where there is a valid will appointing an executor, or letters of administration on intestacy.
4. Collect in the assets, settle debts and any expenses.
5. Distribute to the beneficiaries (under the will) or according to the Intestates' Estates Ordinance (on intestacy), keeping proper accounts.
Straightforward estates can be handled by the family with guidance; contested, insolvent or cross-border estates usually need a probate lawyer HK-side to avoid personal liability for the executor.
It is worth understanding that an executor's duties are real, and personal. Once appointed, an executor (or administrator) must safeguard the assets, settle valid debts before distributing to beneficiaries, keep proper accounts, and act in the beneficiaries' interests. Distributing too early, before debts and any claims are dealt with, can leave the executor personally liable to make good a shortfall. The process also takes time: locating assets, obtaining valuations, and securing the grant from the Probate Registry commonly takes several months even for a simple estate, and longer where there is property, a business, or assets in more than one jurisdiction.
It is also worth knowing about family provision. Even a valid will can be challenged by certain dependants who feel they were not reasonably provided for, who may apply to the court for provision out of the estate. A professionally drafted will that anticipates such claims is far harder to disturb than a homemade one.
FAQ
1. Does a will have to be witnessed in Hong Kong?
Yes. An ordinary will must be signed by you and witnessed by two independent adults present at the same time.
2. Can my spouse or a beneficiary be a witness?
They can witness it, but a gift to a witness (or the witness's spouse) generally fails, so always use independent witnesses.
3. Does getting married cancel my will?
Usually yes. Marriage revokes a prior will unless it was made in contemplation of that marriage.
4. What happens if I die without a will?
Your estate passes under the Intestates' Estates Ordinance (Cap. 73), which may not reflect your wishes and can complicate matters for a surviving partner.
5. I have property in the Mainland. Is one will enough?
Often not. Mainland assets are governed by Mainland law and usually need a separate process, so consider coordinated wills for each jurisdiction.
6. Do I need to update my will after divorce or a new child?
Yes. Major life events (marriage, divorce, new children, buying property, moving abroad) are exactly when wills should be reviewed, as some can revoke or undermine an existing will.
7. Is there death tax on a Hong Kong estate?
No. Estate duty was abolished for deaths on or after 11 February 2006, so the focus is on a valid, clear will rather than death tax planning.
When to contact a solicitor
Take advice if you have remarried, have children from more than one relationship, own a business or property in the GBA or overseas, expect a possible challenge to your estate, or have any doubt about capacity. A short professional review is far cheaper than a contested probate.
Talk to ask.legal Hong Kong
Want peace of mind that your will actually works? Contact ask.legal Hong Kong to be matched with a qualified Hong Kong probate and estate-planning solicitor, and protect the people who matter most.
Sources and further reading
● Wills Ordinance (Cap. 30); Intestates' Estates Ordinance (Cap. 73); Probate and Administration Ordinance (Cap. 10).
● Banks v Goodfellow (1870) LR 5 QB 549 (testamentary capacity).
● Community Legal Information Centre (CLIC), "Making a will": https://www.clic.org.hk/en/topics/probate/making_a_will
About the author: prepared by the ask.legal Hong Kong editorial team.
Last updated: June 2026.
This article is general information about the law of Hong Kong as at 2026, not legal advice. For advice on your circumstances, consult a qualified Hong Kong legal practitioner.