IOSH
Mastering workplace change
Staying ahead in health and safety
Workplace change can introduce new or altered risks, making proactive management essential. This resource outlines when change becomes significant for occupational safety and health. You’ll learn how to manage it safely through clear processes, practical strategies and a change‑aware culture.
The relevance of workplace change
Workplace change is the process of moving from one way of working to another. It may involve new technology, processes, equipment, people or organisational structures.
Change affects occupational safety and health because any shift can introduce new hazards or alter existing ones. Recognising and managing change early helps prevent incidents, protect workers and maintain safe, healthy working environments.
When does change become significant?
Where the scale or impact of workplace change increases, a more structured and carefully managed approach is needed. Particularly when it:
- creates new hazards or increases existing risks
- changes how work is fundamentally performed
- impacts critical safety controls or procedures
- involves high‑risk activities or vulnerable workers
- affects emergency procedures or safety systems.
Common sources of workplace change
Change may arise from external or internal influences or through gradual drift.
-
External changes
Influences outside the organisation that require adaptation. This includes:
- legal and regulatory updates – new laws, updated standards or revised guidance
- industry developments – changes in best practice or sector‑specific requirements
- economic factors – market pressures affecting staffing, budgets or priorities
- social changes – new work patterns, demographic trends or shifting expectations.
-
Internal changes
Shifts originating within the organisation. These include:
- organisational restructuring – new reporting lines, structural changes
- technology implementations – new equipment, software or automation
- process improvements – updated workflows or efficiency initiatives
- people changes – new team members, changing skills or responsibilities
- physical changes – relocations, layout modifications or facility upgrades.
-
Gradual drift
The slow, often unnoticed shift between how work is supposed to be done and how it is actually done. Examples include:
- shortcuts becoming routine
- skipped safety checks during busy periods
- informal changes to procedures without documentation.
Over time, drift can weaken controls and increase risk.
A systematic approach to managing change
-
Identify or anticipate the change
Make sure workers understand the reasons for planned changes. Identify change through proactive monitoring and reactive identification.
Proactive monitoring includes:
- workplace inspections and safety tours
- change‑management procedures
- monitoring external developments
- employee suggestions and feedback.
Reactive identification includes:
- incident investigations revealing unexpected changes
- audit findings highlighting deviations
- employee reports of hazards or concerns
- customer or regulator feedback.
-
Assess the significance of the change
Ask these questions.
- Does this change create new hazards or compromise existing controls?
- Who could be affected and how? Are vulnerable workers involved?
- What is the potential impact? Could it affect emergency procedures or create serious harm?
- How urgent is the response? Is immediate action required?
-
Apply control measures
If the change is significant, use the hierarchy of control.
Eliminate – remove the hazard entirely. For example reverting to a safer method.
Reduce – minimise risk using:
- engineering controls, such as guards, ventilation and automation
- procedural controls, such as safe work methods and supervision
- administrative controls, such as job rotation and reduced exposure time
- personal protective equipment (PPE) as the final barrier.
Transfer – use external specialists or contractors with appropriate skills.
Tolerate – accept the risk temporarily while long‑term controls are developed, with enhanced monitoring.
-
Manage the response process
Document the change, who assessed it and what controls were implemented.
Update relevant risk assessments.
Plan complex changes by ensuring:
-
- appropriate resources
- worker training
- clear communication
- phased implementation
- monitoring and review points.
-
Practical strategies
-
Technology changes
New systems equipment or systems.
- Involve your suppliers in hazard identification
- Carry out pre-use checks.
- Create new operating procedures
- Plan comprehensive training
- Set up maintenance and monitoring routines
-
Organisational changes
Structure, processes and staffing.
- Review safety responsibilities
- Confirm safety competence for new roles
- Update emergency contact lists
- Check safety committee representation
- Maintain functioning safety communication channels
-
Process changes
How tasks or activities are carried out.
- Map the full process, including interactions
- Identify hazard changes
- Update job instructions and training
- Review PPE requirements
- Ensure emergency procedures remain effective
Unmanaged change
Many incidents stem from unmanaged change. During investigations, always consider whether change was a causal factor.
How to create a change-aware culture
-
Communication
Involve workers in discussions about change and keep stakeholders updated.
-
Engagement
Encourage workers to report changes, suggest improvements and highlight drift.
-
Training and information
Ensure staff receive training on new processes, equipment or responsibilities.
-
Monitoring and review
Confirm that controls are effective after implementation.
-
Documentation
Keep accurate records of changes, approvals and updated procedures.
Summary
- Effective change management is proactive, not reactive.
- Change does not need to be avoided – it must be managed safely.
- Focus on early identification, structured assessment and robust controls.
