NEBOSH National Diploma in Occupational Health and Safety (National Diploma) Exam Blueprint

National Diploma

210 minDuration
45Passing Score
6Languages
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Exam Domains

1 Unit A: Managing Health and Safety 33%
2 Unit B: Hazardous Agents in the Workplace 33%
3 Unit C: Workplace and Work Equipment Safety 34%

Exam Details

Question TypesOpen Book Examination (scenario-based questions), Practical Assessment
FormatOpen Book Examination (OBE) — scenario-based written paper plus practical workplace assessment
Online ProctoringAvailable
ID RequirementsValid government-issued photo ID required. Name must match NEBOSH registration. Requirements confirmed by the delivering ALP.
RenewalNot required -- NEBOSH certificates do not expire. However, NEBOSH recommends CPD to maintain and update knowledge. Many employers and professional bodies (e.g., IOSH) require evidence of ongoing CPD.
PrerequisitesNEBOSH NGC or equivalent health and safety qualification strongly recommended before attempting the Diploma. (recommended)
Retake PolicyCandidates who refer (fail) may resit at the next available examination sitting. Full exam fee required for resit. No limit on number of attempts.
LanguagesEnglish, Arabic, French, Spanish, Turkish, Urdu

Official Study Resources