Product Overview

Summary: This Master Key System Setup Standard Operating Procedure provides a clear, auditable framework for planning, implementing, and maintaining a secure master key hierarchy across your workplace. It supports Australian organisations to protect assets, manage access rights, and minimise security breaches while keeping day-to-day operations running smoothly.

A well-designed master key system is critical for controlling who can access which areas of your premises, from front-of-house and plant rooms through to records storage and restricted zones. Without a standardised setup process, organisations can quickly end up with uncontrolled key duplication, inconsistent access levels, and serious gaps in physical security. This Master Key System Setup SOP provides a structured, repeatable method for designing the key hierarchy, engaging locksmiths, documenting issue and return processes, and maintaining accurate key registers.

Tailored for Australian workplaces, this procedure helps you balance security with practicality, ensuring the right people have access when they need it—without compromising sensitive areas. It supports compliance with your broader WHS and risk management framework by clearly defining responsibilities, approval workflows, and change-control for locks and keys. Whether you are implementing a new master key system or bringing an existing one under control, this SOP helps reduce confusion, improve accountability, and provide a defensible audit trail in the event of incidents, disputes, or insurance claims.

Key Benefits

• Standardise the design, approval, and implementation of your master key hierarchy across all sites.
• Reduce the risk of unauthorised access, theft, and security breaches through clear controls and documentation.
• Improve accountability by defining roles, responsibilities, and sign-off processes for key issue, return, and replacement.
• Streamline coordination with licensed locksmiths and contractors, ensuring consistent technical specifications and records.
• Support compliance with organisational security policies, WHS risk controls, and insurer expectations through a robust audit trail.

Who is this for?

• Facilities Managers
• Property Managers
• Security Managers
• Office Managers
• Operations Managers
• Maintenance Supervisors
• WHS and Risk Managers
• School Business Managers
• Aged Care Facility Managers
• Strata and Building Managers

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Terminology (Master, Grand Master, Change Keys, Restricted Keys)
• 3.0 Roles, Responsibilities and Approvals
• 4.0 Planning the Master Key Hierarchy and Access Levels
• 5.0 Security and Risk Assessment of Areas and Doorways
• 6.0 Technical Specifications for Locks, Cylinders and Restricted Key Profiles
• 7.0 Engagement and Management of Locksmiths and External Contractors
• 8.0 Step-by-Step Master Key System Setup Procedure
• 9.0 Key Issue, Return, and Replacement Process
• 10.0 Key Register and Access Control Documentation Requirements
• 11.0 Lost, Stolen or Compromised Key Response Procedure
• 12.0 Change Management for Re-Keying, New Areas and System Expansions
• 13.0 Integration with Electronic Access Control (if applicable)
• 14.0 Recordkeeping, Privacy and Audit Trail Management
• 15.0 Training and Communication for Staff and Contractors
• 16.0 Review, Audit and Continuous Improvement of the Master Key System

Legislation & References

• AS 4145.2: Locksets and hardware for doors and windows – Mechanical locksets for doors in buildings
• AS 2201.1: Intruder alarm systems – Client's premises – Design, installation, commissioning and maintenance
• AS/NZS ISO 31000: Risk management – Guidelines
• Work Health and Safety Act 2011 (Cth) and corresponding state/territory WHS Acts
• Work Health and Safety Regulations 2011 and corresponding state/territory WHS Regulations
• Australian Privacy Principles (APPs) – for handling key register and access records where they identify individuals