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NEBOSH International Diploma Syllabus

NEBOSH Accredited Centre 807 logoThe NEBOSH International Diploma is the qualification to aspire to if you are seeking a successful long-term career in health and safety outside of the UK.

The course is split into 4 units comprising 3 taught units and a work-based assignment to complete which will demonstrate your application of the knowledge you have gained over the course of the previous units.

Overall Learning Outcomes

On completion of each unit, learners should be able to demonstrate their understanding of the domain knowledge covered through:

  • The application of knowledge to familiar and unfamiliar situations.
  • The critical analysis and evaluation of information presented in both quantitative and qualitative forms.

N.B. Each element will have additional specific learning outcomes.

Full Course Syllabus

Unit IA: International Management of Health and Safety


  • IA1 - Principles of health and safety management
  • IA2 - Regulating health and safety
  • IA3 - Loss causation and incident investigation
  • IA4 - Measuring and reviewing health and safety performance
  • IA5 - The assessment and evaluation of risk
  • IA6 - Risk control
  • IA7 - Organisational factors
  • IA8 - Human factors
  • IA9 - The role of the health and safety practitioner

Unit IB: International Control of Hazardous Agents in the Workplace


  • IB1 - Managing occupational health
  • IB2 - Identification, assessment and evaluation of hazardous substances
  • IB3 - Control of hazardous substances
  • IB4 - The monitoring and measuring of hazardous substances
  • IB5 - Biological agents
  • IB6 - Noise and vibration
  • IB7 - Radiation
  • IB8 - Mental ill-health and dealing with violence and aggression at work
  • IB9 - Musculoskeletal risks and controls
  • IB11 - Work environment risks and controls

Unit IC: International Workplace and Work Equipment Safety


  • IC1 - Workplace welfare requirements and specific workplace issues
  • IC2 - Fire and explosion
  • IC3 - Workplace fire risk assessment
  • IC4 - Storage, handling and processing of dangerous substances
  • IC5 - Work equipment (general)
  • IC6 - Work equipment (workplace machinery)
  • IC7 - Mobile, lifting, access and work at heigh equipment
  • IC8 - Electrical safety         
  • IC9 - Construction hazards and controls
  • IC10 - Workplace transport and driving for work

Unit ID/DNI: International Application of Health and Safety Theory and Practice

Unit ID/DNI consists of a written assignment set by NEBOSH (designed to demonstrate the application of the knowledge you have gained through units one to three of the course) and is approximately 8,000 words in length. Submission dates for Diploma assignments are in February, May, August and November each year.

Unit Assessments

All four units are mandatory and there are no optional units. Individuals can choose to take one, two, three or all four units at the same time or at different times.

Units one to three are assessed by one three-hour written question paper each with each paper covering the whole unit syllabus - with at least one question per unit element. Candidate scripts are marked by external examiners appointed by NEBOSH.

NEBOSH International Diploma Course: Futher Information

Choosing to study for your qualification with Astutis means you can undertake the NEBOSH International Diploma course in either of the following ways:

For more information on the course itself as well as these learning options, click on the button below:

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