Administration of Estates Act 1925: Foundational act governing estate administration, defining executor powers and responsibilities, and establishing the order of priority for estate distribution

Wills Act 1837: Establishes the requirements for valid wills and confirmation of executor appointments

Trustee Act 2000: Defines trustees' and executors' powers and duties, including investment and delegation authorities

Mental Capacity Act 2005: Addresses capacity issues of the deceased prior to death and validity of prior arrangements

Senior Courts Act 1981: Governs probate jurisdiction and procedural matters in senior courts

Inheritance (Provision for Family and Dependants) Act 1975: Provides for financial provision from deceased's estate for family and dependants

Non-Contentious Probate Rules 1987: Sets out procedural rules for obtaining probate in non-contested cases

GDPR and Data Protection Act 2018: Regulates the handling of personal data of the deceased and beneficiaries in estate administration