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NEBOSH updated the specification for the NEBOSH International Diploma in May 2023, and it is now known as the NEBOSH Level 6 International Diploma for Health and Safety Management Professionals.
The NEBOSH Level 6 International Diploma for Occupational Health and Safety Professionals has 3 assessments, now known as the DI1, DI2, DI3 respectively:
More in depth info can be found on our Exam Hub here:
The assessment for Unit DI1 is split into 2 sections:
You will have 4 weeks to complete your assignment and submit it to the NEBOSH online portal. We recommend you spend at least 40 hours on your assessment, which equates to around 10 hours per week.
The assessment is worth 300 marks and you need to achieve at least 50% to pass.
Units DI2 and DI3 are each assessed with a case-study and scenario based questions.
You will have 2 weeks to complete each question paper and submit it for marking. We recommend you spend at least 20 hours on each paper (around 10 hours per week).
Both DI2 and DI3 are worth 175 marks each, and you need at least 50% to pass.
Remember, you need to register for your NEBOSH Level 6 International Diploma assessment at least 5 weeks before your chosen exam date.
Assessment Start Date | Submission Deadline | Registration Deadline | |
DN2/DI2 | 12 November 2025 | 26 November 2025 | 08 October 2025 |
DN3/DI3 | 14 January 2026 | 28 January 2026 | 04 December 2025 |
DN1/DI1 | 11 March 2026 | 10 April 2026 | 04 February 2026 |
DN2/DI2 | 13 May 2026 | 27 May 2026 | 07 April 2026 |
DN3/DI3 | 15 July 2026 | 29 July 2026 | 10 June 2026 |
DN1/DI1 | 16 September 2026 | 14 October 2026 | 11 August 2026 |
DN2/DI2 | 11 November 2026 | 25 November 2026 | 07 October 2026 |
NEBOSH will send you login details for the NEBOSH assessment portal 2 weeks before your assessment date. From here, you can download your assessment paper and any supporting material straight to your computer to complete in your own time.
When you’re ready to submit your assessment, save your document with the file name format: “last name, first name, NEBOSH student number, Learning provider name”.
You can submit your assessment by heading to the page where you downloaded your question paper and clicking “add submission”.
You must pass all three assessments to achieve your full NEBOSH Level 6 Diploma qualification. NEBOSH will email you your results within 50 working days (10 weeks) after your submission date.
You’ll receive a hard-copy certificate for each unit in the post within 20 working days (4 weeks) after you receive your successful result.
A final overall qualification parchment will be sent within 20 working days (4 weeks) of passing your final unit.
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