NSW Court of Appeal Reinforces Key Principles for Leave to Appeal in Estate Litigation

We recently acted as the Court‑appointed independent administrator in Coxhead v Housen [2026] NSWCA 128, a significant New South Wales Court of Appeal decision that highlights the strict approach the Court continues to take when assessing applications for leave to appeal in contested estate matters. The case provides valuable guidance for practitioners, beneficiaries and executors involved in estate disputes, and reinforces the importance of properly addressing the established principles governing appellate intervention.

Background to the dispute

The Supreme Court of New South Wales appointed Rebecca Exley, one of the Directors of Solari & Stock Lawyers, as independent administrator of the deceased estate to ensure impartial administration while disputes between beneficiaries were resolved. This appointment became necessary after the original executor failed to progress the administration and distribution of the estate for several years, causing ongoing detriment to the beneficiaries and undermining confidence in the executor’s ability to fulfil their fiduciary obligations.

One of the deceased’s sons sought to challenge the appointment and appealed the Supreme Court’s decision. The appeal was heard by Chief Justice Bell and Justice Ball on 3 July 2026. After considering the appellant’s submissions, the Court determined that it was unnecessary to hear from counsel for the independent administrator or the other respondent. The appeal was dismissed in full, and the appointment of the independent administrator was confirmed.

The matter serves as a timely reminder that executors must administer and distribute estates diligently, efficiently and in accordance with their legal duties. Where an executor fails to do so, the Court has broad powers to intervene to protect the interests of the estate and its beneficiaries, including by appointing an independent administrator to take control of the administration.

Why the decision is important

The Court of Appeal used this matter to reaffirm the principles governing applications for leave to appeal. The judgment emphasises that an applicant must do more than simply disagree with the primary judge’s decision or reargue the merits of the underlying dispute. Instead, the applicant must engage directly with the established legal tests for leave to appeal and demonstrate that the proposed appeal has sufficient merit to justify appellate intervention.

The decision highlights the Court’s scrutiny of whether threshold requirements for leave have been met. It also reinforces the need for practitioners to ensure that submissions seeking leave to appeal properly address the relevant principles, rather than focusing solely on the factual or interpersonal issues that often arise in estate disputes.

The role of an independent administrator

Independent administrators play a crucial role in estate litigation, particularly where conflict between beneficiaries or family members makes it inappropriate or impracticable for an executor to continue in their role. An independent administrator provides:

• impartial and conflict‑free administration of the estate
• protection of estate assets while disputes are resolved
• assurance that the estate is managed in accordance with Court orders and legal obligations
• continuity and stability in the administration during litigation

Appointments of this nature are an important safeguard where confidence in an executor has been lost or where significant conflict threatens the proper administration of the estate.

Our involvement

We were pleased to assist the Court by acting as the independent administrator throughout the proceedings, ensuring the estate continued to be administered impartially and efficiently while the litigation progressed. The Court of Appeal’s decision not only confirms the appropriateness of the appointment but also provides valuable guidance for future litigants and practitioners regarding the proper approach to applications for leave to appeal.

As experienced independent administrators and estate litigation practitioners, we regularly assist the Court and parties in complex and contested estate matters. Our team has extensive experience managing estates where independent administration is necessary to preserve assets, maintain impartiality and facilitate the efficient resolution of disputes.

If you are involved in a contested estate or require advice regarding independent administration or estate litigation, our succession and estate litigation team is available to assist. You can reach our team on 8525 2700 or click here to request an appointment.

Article by Sarah Khan
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