Succession Act 2006 NSW: What Every Executor and Beneficiary Needs to Know

If someone in NSW dies without a will, or leaves a will that doesn't adequately provide for their family, the Succession Act 2006 (NSW) determines what happens. It also sets the rules for whether a will is valid in the first place. For executors, understanding the Act isn't optional — it's the foundation that everything else in estate administration rests on.

What the Act Covers

The Succession Act 2006 (NSW) is the primary legislation governing succession law in New South Wales. It replaced the earlier Wills, Probate and Administration Act 1898 for most purposes (though the Probate and Administration Act 1898 remains relevant for some procedural matters — more on that below).

The Act covers four main areas:

1. Will formalities — what makes a will legally valid in NSW
2. Intestacy — who inherits when there is no will, or when a will only partially deals with the estate
3. Family provision claims — who can challenge a will as being inadequate, and on what basis
4. Indigenous kinship distributions — how Aboriginal and Torres Strait Islander customary law can interact with the statutory inheritance formula

Part 2: Will Formalities — What Makes a Valid Will

Under the Succession Act 2006, a will is valid in NSW if:

• It is in writing
• It is signed by the testator (the person making the will), or signed by someone else in the testator's presence and at their direction
• The signature is made or acknowledged in the presence of two or more witnesses present at the same time
• Each witness attests and signs the will in the presence of the testator

A beneficiary named in the will should not be a witness — while witnessing doesn't automatically void the will, it can void the gift to that beneficiary.

Informal wills: The Act also gives courts power to admit a document to probate as a will even if it doesn't meet all these formalities, provided the court is satisfied the document expresses the testator's testamentary intentions. This covers documents like notes, letters, digital files, or draft wills that were never formally executed. Courts are cautious but will act where the evidence is clear.

Part 3: Intestacy — Who Inherits When There's No Will

If a person dies without a valid will, the Succession Act 2006 sets out a statutory formula for who inherits. The order is:

1. Spouse (including de facto partners of at least two years)
2. Children
3. Parents
4. Siblings
5. Grandparents
6. Aunts and uncles

If no relatives can be found at all, the estate escheats to the NSW Government.

De facto partners are treated the same as married spouses under the NSW intestacy rules, provided the relationship had lasted at least two years at the date of death (or there is a child of the relationship).

Blended Families and the Statutory Legacy: A Number That Changes Everything

The most commonly misunderstood part of the intestacy rules is what happens in blended families — where a person dies leaving both a spouse and children who are not children of the surviving spouse (typically children from a prior relationship).

In this scenario, the estate is not split simply between the spouse and the deceased's children. The Succession Act 2006 applies a statutory legacy — a fixed baseline amount the spouse receives before any further division.

The base statutory legacy was set at $350,000 in 2005, but it is CPI-adjusted annually. As of mid-2026, it sits at $611,387.84.

Here's how the formula works:

• If the estate is worth less than $611,387.84, the spouse takes the entire estate (and the children from the prior relationship receive nothing from this estate).
• If the estate is worth more than $611,387.84, the spouse receives:
  • All personal effects (furniture, vehicles, jewellery, household items)
  • The statutory legacy ($611,387.84)
  • 50% of the remaining estate after personal effects and the legacy are deducted
• The deceased's other children (those not also children of the surviving spouse) share the remaining 50%.

This formula regularly produces outcomes that shock families. A blended family with a $900,000 estate might expect the children from the first marriage to receive a substantial inheritance — but under the formula, the spouse takes personal effects plus $611,387.84 plus 50% of the remaining ~$288,000, leaving the other children to split roughly $144,000.

The right response to this risk — for anyone in a blended family — is a well-drafted will that addresses the competing interests directly, not reliance on the intestacy formula.

Whether the estate you're administering involves a will or intestacy, the practical steps — probate, bank accounts, tax, Centrelink — are the same. The NSW Estate Settlement Guide covers all of them in one structured reference.

Part 3.3: Family Provision Claims — Challenging a Will

The Succession Act 2006 allows certain people to make a family provision claim against an estate if they believe the will (or the intestacy distribution) fails to make adequate provision for their proper maintenance, education, or advancement in life.

Who can make a claim:

• A spouse or de facto partner of the deceased
• A child of the deceased (including adult children)
• A former spouse (in limited circumstances)
• A person who was wholly or partly dependent on the deceased, and who is a grandchild of the deceased or was a member of the deceased's household
• A person with whom the deceased was living in a close personal relationship at the time of death (such as a live-in carer who was not a partner)

Grounds for a claim:

The court does not simply override a testator's wishes. The claimant must show that the provision made (or not made) for them is inadequate given factors such as their financial circumstances, their relationship with the deceased, contributions they made to the estate, and any competing claims from other beneficiaries.

Time limit: Applications must be filed within 12 months of the date of death in NSW. This is a hard deadline — courts can grant extensions in exceptional circumstances, but relying on one is risky.

For executors: do not distribute the estate before the 12-month window closes unless you have obtained releases from all eligible claimants or have taken legal advice that no claims are likely.

Part 4.4: Indigenous Kinship Distributions

Part 4.4 of the Succession Act 2006 is unique in Australian succession law. It allows a court to modify the statutory intestacy distribution to give effect to Aboriginal and Torres Strait Islander customary law or tradition regarding the distribution of a deceased person's property.

Where a deceased Aboriginal or Torres Strait Islander person dies intestate (or with a will that doesn't address all assets), and where the application of the standard intestacy formula would be inconsistent with customary law, the court has discretion to depart from the formula.

This is not automatic. A family member must apply to the court, and the court must be satisfied that the proposed distribution reflects actual customary obligations and is not contrary to public policy.

The provision is rarely litigated but has significant practical importance for families where kinship obligations extend beyond the nuclear family structure contemplated by the standard intestacy formula.

How the Succession Act Interacts With Other Legislation

The Succession Act 2006 does not operate in isolation:

Probate and Administration Act 1898 (NSW): The procedural law for obtaining probate or letters of administration. If no executor is named in a will, or if no will exists, this Act governs who can apply to the Supreme Court and what the court can do. The 1898 Act handles the court process; the 2006 Act handles who gets what.

Duties Act 1997 (NSW): No duty is payable on inheritances in NSW (probate duty was abolished). However, the Duties Act is still relevant when estate assets are transferred — there is a stamp duty exemption for transfers to beneficiaries, but only if the correct procedure is followed. Ad valorem duty can be triggered if assets are redirected to non-beneficiaries (for example, in a deed of family arrangement).

Trustee Act 1925 (NSW): Governs an executor's powers to manage and invest estate assets during administration. An executor is also a trustee for the period between death and distribution, and the Trustee Act sets out their duties and protections.

When You Need a Lawyer vs When You Don't

The honest answer is that most straightforward estates — a will, a surviving spouse, adult children, standard assets — can be administered without a lawyer for the non-probate steps. Bank accounts, Centrelink, and ATO notifications do not require legal representation.

You need a lawyer when:

• You're applying for probate or letters of administration (a solicitor is not required but the process is procedurally demanding)
• A family provision claim has been filed, or you have reason to expect one
• The will is ambiguous or its validity is being questioned
• The estate includes a business, SMSF, or complex trust structures
• A beneficiary is a minor, a person under legal incapacity, or a foreign resident
• The intestacy rules produce a result that competing family members are disputing

For the administrative steps that don't involve the court, structured guidance is often enough. A lawyer's hourly rate adds up quickly across tasks that follow a defined process.

The Succession Act 2006 sets the legal framework, but putting it into practice — notifying banks, lodging tax returns, applying for probate, distributing assets — involves a sequence of practical steps that the law doesn't spell out. The NSW Estate Settlement Guide translates the legislation into a clear checklist for executors working through an estate in New South Wales.

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