NEBOSH International Diploma in Occupational Health and Safety

Course Description


The NEBOSH International Diploma is the leading qualification for UK health and safety practitioners. The NEBOSH Diploma builds on the knowledge gained at Certificate level and is designed for those seeking a successful long-term career as a health and safety professional. Benefits of holding the NEBOSH Diploma include:

  • Allows you to use the letters ‘DipNEBOSH’ after your name
  • Entitlement to graduate membership of IOSH (GradIOSH), the first step to becoming a Chartered Health and Safety Practitioner
  • Entitlement to full membership (MIIRSM) of the International Institute of Risk and Safety Management (IIRSM)
  • Meets the entry requirements for many safety related Masters programmes offered by UK universities

Course Content

The NEBOSH International Diploma is made up of four units which need to be completed within 5 years:

Unit IA – Managing Health and Safety -154 Hours

  • Principles of Health and Safety Management
  • Regulating Health and Safety
  • Loss Causation and Incident Investigation
  • Measuring and Reviewing Health and Safety Performance
  • The Assessment and Evaluation of Risk
  • Risk Control
  • Organisational Factors
  • Human Factors
  • The Role of the Health and Safety Practitioner

Unit IB – Hazardous Substances / Agents – 115 Hours

  • Managing Occupational Health
  • Identification, Assessment and Evaluation of Hazardous Substances
  • The Control of Hazardous Substances
  • The Monitoring and Measuring of Hazardous Substances
  • Biological Agents
  • Noise and Vibration
  • Radiation
  • Mental Ill-Health and Dealing with Violence and Aggression at Work
  • Musculoskeletal Risks and Controls
  • Work Environment Risks and Controls

Unit IC – Workplace and Work Equipment Safety – 120 Hours

  • Workplace Welfare Requirements and Specific Workplace Issues
  • Fire and Explosion
  • Workplace Fire Risk Assessment
  • The Storage, Handling and Processing of Dangerous Substances
  • Work Equipment
  • Workplace Machinery
  • Mobile, Lifting, Access and Work at Height Equipment
  • Electrical Safety
  • Construction and Works of a Temporary Nature – Hazards and Controls
  • Workplace Transport and Managing Work-Related Road Risk

Unit DNI: Application of Health and Safety Theory and Practice

  • Assessed by a work based project


The examination for both versions of the syllabus consists of three 3-hour written examinations (one each for Units IA, IB & IC) and an 8,000 word work based project. You must pass all four to be awarded the NEBOSH International Diploma in Occupational Health and Safety.

Entry Requirements

The NEBOSH Diploma builds on knowledge that is gained from studying a NEBOSH Certificate or similar course and it is therefore highly recommended such a qualification is gained before starting the NEBOSH Diploma course. For details on the knowledge required before starting to study the NEBOSH Diploma see our Guidance on Direct Entry to the NEBOSH Diploma.

Method of Study

This course is available Online e-Learning

Online Courses

Flexible, fully tutor supported on-line learning available anywhere in the world

  • 468 hours of study (12-36 months) + exams
  • Start any time
  • Exams are usually held 4 times a year
  • 200+ exam centres available worldwide – additional fees will apply for centres outside London, Birmingham, Glasgow, Manchester, Newcastle, Dubai, Tbilisi or Tunis


High quality, full colour complete course textbooks – Additional £254.85 + postage & Packaging

  • Essential study guide, covering the complete NEBOSH Syllabus
  • Note: Printed version supplied with classroom courses; On-line version supplied with e-learning courses

Revision Guides

Concise complete course guide to key topics and how to answer exam questions

  • Printed – £75 + Postage & Packaging
  • Digital (PDF) format – £60


Refunds of fees will only be made for written cancellations received at least 21 days prior to the start of the course (less a 10% cancellation fee to cover administration costs). However, we are happy to accept substitute delegates. Any changes to delegates should be notified, by telephone, as soon as possible.Bookings that are accepted within 48 hours are deemed confirmed and subject to payment, even if the delegate is subsequently unable to attend.

The programme of courses is correct at the time of publication. However, we reserve the right to alter or cancel the programme due to circumstances beyond our control.

Please Note

  • This course is run in conjunction with Rapid Results College (RRC)
  • Please feel free to call us to discuss your specific needs.

Course Details

Accredited By:



Online: 468 hours of study (12-36 months) + exams

Typical capacity:


Typical cost per candidate:

Typical cost per course:

Online: £1615.00

All courses conducted in the UK are subject to VAT at the prevailing rate

Please note: The fee includes an additional fee of £388 payable to NEBOSH for the examination