Challenging a Will in South Africa: Grounds & Process

What Makes a Will Valid in the First Place

Before asking whether a will can be set aside, it helps to know what the law actually requires of a valid one. The Wills Act sets out the formalities: the will must be in writing, the testator must sign it, and two competent witnesses who are at least fourteen years old must sign in the presence of the testator and of each other. The testator must also have been at least sixteen years old and mentally capable of understanding the nature and consequences of making a will. These requirements exist precisely so that a document purporting to reflect someone's final wishes can be trusted. When a will falls short of them, whether because a witness was missing, the signing process was irregular, or the testator's capacity is in real doubt, that shortfall becomes the starting point for a challenge.

The Grounds on Which a Will Can Be Challenged

South African law does not allow a will to be challenged simply because a beneficiary is disappointed with their share. There has to be a recognised legal basis. The first is a lack of testamentary capacity, meaning the testator did not understand what they owned, who might reasonably expect to benefit, or what effect the document would have, often because of dementia, a serious illness, or heavy medication at the time of signing. The second is undue influence, where someone in a position of trust, such as a caregiver, a new partner, or a family member managing the deceased's affairs, pressured or manipulated the testator into changing their wishes in that person's favour. The third is fraud or forgery, including a signature that was not the testator's own or a will that was altered after signing without the testator's knowledge. The fourth is simply a failure to meet the formalities described above. Each of these grounds requires evidence, which can include medical records, the testimony of the witnesses who were present, expert opinion on capacity or handwriting, and the surrounding circumstances in which the will was drawn up and signed.

Where Do You Start: the Master's Office or the High Court

Every deceased estate in South Africa is administered under the supervision of the Master of the High Court, and this is usually where a dispute first surfaces. If you have concerns about a will, you can lodge a formal objection or caveat with the Master before the estate is finalised, which puts the office on notice not to accept the will or distribute the estate while the dispute is unresolved. This step matters because once assets have been transferred to beneficiaries, unwinding the estate becomes considerably harder. If the Master's office is not persuaded, or if the dispute is more complex than the Master can resolve administratively, the next step is an application to the High Court for an order declaring the will invalid in whole or in part, or setting aside a decision the Master has already made. High Court litigation of this kind can involve affidavits, expert evidence, and sometimes cross-examination, so it is not something to approach without proper legal guidance from the outset.

How Long Do You Have to Act

There is no single countdown clock that applies to every will dispute the way prescription applies to a debt, but that does not mean there is no urgency. Estates are wound up in stages, and once the Master has approved the liquidation and distribution account and the estate has been finalised, reopening matters becomes far more difficult and costly. Where a specific decision of the Master is being challenged, such as a refusal to uphold an objection, the Administration of Estates Act allows an aggrieved person to apply to court within a limited period after that decision, so acting promptly once you become aware of a problem is always the safer course. In practice, the moment you have real doubts about a will, whether about who signed it, who was present, or the state of mind of the person who made it, is the moment to get advice, not after the estate has already been distributed.

Losing a family member is difficult enough without also feeling that their true wishes have been ignored or manipulated, and the law does provide a route to test a will that does not look right. Because every estate dispute turns on its own facts, on medical records, on witness accounts, and on timing, getting an early assessment from a specialist makes a real difference to whether a challenge succeeds. If you suspect a will does not reflect what a loved one actually intended, our deceased estates team can help you understand your options and, where appropriate, act before the estate is finalised.