NEBOSH International Diploma in Occupational Safety and Health Management

Nebosh logoThe NEBOSH International Diploma in Occupational Health and Safety (IDip) is the must have qualification for those whose ambition is to be a safety professional.

Who should attend?

  • Anyone aiming to have a high level career in HSE management

What will I learn?

The NEBOSH International Diploma in Occupational Health and Safety is based on UK Legislation and builds on the knowledge gained at NEBOSH Certificate level. It is made up of four units which must be completed within five years:

Unit IA: International Management of Health and Safety - 154 Hours

  • 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 - 115 Hours

  • IB1 - Managing Occupational Health  
  • IB2 - Identification, Assessment and Evaluation of Hazardous Substances  
  • IB3 - The 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  
  • IB10 - Work Environment Risks and Controls

Unit IC: International Workplace and Work Equipment Safety - 120 Hours

  • IC1 - Workplace Welfare Requirements and Specific Workplace Issues 
  • IC2 - Fire and Explosion 
  • IC3 - Workplace Fire Risk Assessment 
  • IC4 - The Storage, Handling and Processing of Dangerous Substances 
  • IC5 - Work Equipment
  • IC6 - Workplace Machinery 
  • IC7 - Mobile, Lifting, Access and Work at Height Equipment 
  • IC8 - Electrical Safety 
  • IC9 - Construction and Works of a Temporary Nature - Hazards and Controls 
  • IC10 - Workplace Transport and Managing Work-Related Road Risk

Unit DNI: Application of Health and Safety Theory and Practice

  • An 8,000 word work-based project


Units IA, IB and IC of the NEBOSH International Diploma are each assessed by three-hour written examinations. Unit DNI is assessed by an 8,000 word work based project.

How will I benefit?

  • Valued by employers: NEBOSH Diploma holders get higher salaries (NEBOSH research)
  • Boost your career prospects: NEBOSH Diploma holders are in demand throughout the world
  • Use the letters 'IDipNEBOSH' after your name
  • Entitled to graduate membership of IOSH (GradIOSH) & full membership of the IIRSM (MIIRSM)
  • Entry requirement for many safety related UK Masters programmes

What's included?

  • Detailed course notes

COVID-19: Important information on classroom-based training courses

BSI is closely monitoring UK Government Advice regarding the safety of classroom-based training courses. We’ve been working with all our venues to ensure that COVID secure measures are in place and a member of our team has visited each venue to personally check things over. Enhanced cleaning procedures have been implemented, food and beverage offers adapted, and meeting room layouts have been modified to enable socially distanced events – with anti-bacterial gel and wipes readily available.

If you have any questions regarding your booking of a classroom-based training course, please contact or call +44 345 086 9000.