NEBOSH National Diploma in Occupational Health & Safety

Course Overview

All occupational health and safety practitioners (OHASPs) need to have a common core of knowledge in order to practice effectively. This common core of knowledge must be transferable between the different occupational sectors in which OHASPs may work, ranging across all parts of industry, commerce and the public sector. The NEBOSH National Diploma in Occupational Health and Safety provides the knowledge and understanding that underpins competent performance as an OHASP.

There are no prerequisite entry requirements, though students will find it helpful to have completed the National General Certificate first.  Students should also be aware that this is a demanding qualification - approximately equivalent to an honours degree level - and therefore may find is very difficult if they do not have this background knowledge and/or the ability and application to study at this level.


  • Unit A: Managing health and safety
  • Unit B: Hazardous agents in the workplace
  • Unit C: Workplace and work equipment
  • Unit D: Application of health and safety theory and practice (Assignment)

Examination & Assignment Details

The examinations are held twice each year, January and July, and comprises of one 3-hour written paper for each of the core units (A, B & C) (three 3-hour examinations in total) and complete a workplace based assignments for unit D. Only students who have enrolled with NEBOSH through an accredited centre are eligible to register for the examination.

Further information

Start date:Anytime

Study mode:eLearning

Required study:250 – 500 hours

Course access:24 Months

Examinations dates:January / July

Exam Locations:Available at hundreds of locations globally

Membership:GradIOSH leading to CMIOSH / MIIRSM

Course price: £1740 (£1450 + VAT)
Additional Exam Costs: £388, payable when booking your exam. Examinations can be arranged via our partner centres in the UK.
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Did you know?

By completing the NEBOSH NGC course prior to undertaking this qualification, you will have a better underpinning knowledge of the core subject; therefore make you better prepared for your NEBOSH Diploma studies and potentially help increase your pass rate!