The NEBOSH International Diploma for Occupational Health and Safety Management Professionals is based on international standards and best practice and builds on the knowledge gained at NEBOSH Certificate level. Whilst the knowledge gained from studying the NEBOSH Certificate is not repeated it is required to successfully complete the assessments. The qualification is made up of 3 units which must be completed within five years:

Unit ID1: Know – Workplace Health and Safety Principles (International)- 189 Hours including 60 hours for the assessment
This unit covers the following topics:
• Socio-legal models; Enforcement; The International Labor Organization and its conventions and recommendations; Nongovernmental bodies and health and safety standards; Third parties; Insurers
• Organisational structures; Leadership; Consultation; Health and safety culture / Behavioral change programmes; Traditional and proactive safety management; Risk perception; Human failures and factors / Improving human reliability
• Competence, training, information and supervision; High reliability organizations
• Hazard identification techniques; Managing health and safety risks; Risk management
• Loss causation / Quantitative analysis of data; Measuring and monitoring
• Professional skills
• Societal factors; Corporate social responsibility; Organization change; Contractors / Supply chains
Unit ID2: Do – Controlling Workplace Health Issues (International)- 145 Hours including 40 hours for the assessment
This unit covers the following topics:
• Occupational health services / Equality in the workplace; Mental ill-health / Wellbeing / Workplace violence / Lone working; Health surveillance; Hazardous substances; Health risks from hazardous substances; Epidemiology and toxicology; Asbestos and lead; Ventilation and PPE; Hazardous substances monitoring; Biological agents; Noise; Vibration; Radiation; Musculoskeletal issues / Manual handling; Workplace temperature /Welfare arrangements.
Unit ID3: Do – Controlling Workplace Safety Issues (International) – 135 Hours including 40 hours for the assessment
This unit covers the following topics:
• Safe working environment; Confined spaces; Fire and explosion, Fire; Dangerous substances; Work equipment and machinery maintenance; Work equipment; Machinery; Mobile work equipment / Lifting equipment; Electricity; Construction / Work at height / Demolition / Excavation; Workplace transport / Work-related driving.

Assessment:

• Unit ID1 is assessed by an assignment (in four parts – simulations, workplace based activities, reflective tasks and a research project). Part of the assessment will require learners to undertake some workplace-based activities so need to ensure that they select a suitable workplace/organisation. 
• Units ID2 & ID3 are assessed by a case study 

Assessments will be available twice a year for each unit, with around a month allowed to complete the assignment and return them to NEBOSH.

Study Mode NEBOSH International Health & Safety Diploma eLearning

• Available 24/7 worldwide
• Around 469 hours of study including assessment (can be completed in 12-30 Months)
  • Unit ID1 – 189 hours
  • Unit ID2 – 145 hours
  • Unit ID3 – 135 hours
• Ideal for those whose lifestyle needs a really flexible high quality learning method

• Flexible, self-paced study
• Mobile-friendly, innovative, interactive online study
• Unlimited tutor support by a team of expert tutors
• Free Download of pdf study materials for offline study. 
• Assessments undertaken at your home and workplace

• 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
• Entry requirement for many safety related UK Masters programme

The qualification requires a minimum of 185 taught hours plus 144 recommended self-study hours and 140 assessment hours.

There are no mandatory qualification entry requirements but it is strongly recommended learners have undertaken the NEBOSH General Certificate in Occupational Health and Safety. The syllabus assumes that learners will have this level of prior learning.
It is important that learners have a suitable standard of English language in order to understand and articulate the concepts contained in the syllabus. NEBOSH recommends that learners undertaking this qualification should reach a minimum standard of English equivalent to an International English Language Testing System (IELTS) score of 7.0 or higher in IELTS tests.

Assessment Results

You will receive your results 50 working days after the submission date for your assessment. A unit certificate will be issued 20 working days after the notification date for each successful unit. 

Once you have passed all three unit assessments (ID1/ID2/ID3) your combined percentage mark will give your overall grade for the qualification (Distinction/Credit/Pass).

Distinction 226 or higher
Credit 196 – 225
Pass 150 – 195

A qualification parchment will be issued 20 working days after the results notification date for the third successful unit.  

There are two cost components which include the course fees and the exam registration and assessment fees, as expounded below.
Course Fees
The NEBOSH International Diploma for Occupational Health and Safety Management Professionals is offered through eLearning at USD 2,130​ for the Course Fees.