NEBOSH IDip study guide
NEBOSH IDip · Work through your exam, one topic at a time.
The NEBOSH International Diploma in Occupational Health and Safety (often shortened to NEBOSH IDip) is a professional-level health and safety qualification listed within the NEBOSH qualification portfolio, which the official NEBOSH site describes as consisting of 21 qualifications, alongside 6 Masters level qualifications delivered in partnership with the University of Hull. It is aimed at practitioners who already hold a grounding in occupational health and safety and who want to operate at a strategic, policy and management level - typically health and safety advisers, managers, consultants and those aspiring to lead OSH functions internationally. Because the diploma is assessed through written assessments and diploma assignments rather than a single multiple-choice paper, candidates should expect to demonstrate extended written reasoning, applied risk-control judgement and reflective professional practice rather than recall alone. The published syllabus content is organised around four broad areas: occupational health and safety management; hazard and risk control; health and safety practical application; and professional development and ethics. The NEBOSH IDip study guide has 4 sections and about 1,183 words.
01Occupational Health and Safety Management (International Diploma)
This domain examines whether you can evaluate an occupational health and safety management system (OHSMS), not merely describe one. You must connect leadership, worker participation, planning, operational control, performance evaluation and improvement to ISO 45001:2018 and ILO-OSH 2001.
310 words, about 2 min02Hazard and Risk Control (International Diploma)
This domain tests whether you can identify hazards, evaluate risk and select controls that are technically credible and proportionate. Expect noise, vibration, hazardous substances, confined spaces, work at height, machinery, electricity, fire and ergonomics.
299 words, about 1 min03Health and Safety Practical Application (International Diploma)
The practical application domain assesses your ability to inspect a workplace, record evidence, rate risk and produce a prioritized management report. It is not a memory test; it tests judgement, communication and realistic action planning.
284 words, about 1 min04Professional Development and Ethics (International Diploma)
Professional development and ethics tests conduct, competence and judgement. You must show how a professional maintains expertise, manages conflicts, protects confidentiality and puts public safety before commercial pressure.
290 words, about 1 min