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NEBOSH Diploma Exams and Assessments

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The NEBOSH National/International Diploma for Occupational Health and Safety Professionals (2019 syllabus) has 3 assessments, one for each unit.

Each assessment is completed electronically and submitted through the NEBOSH exam portal. You'll have between 4-6 weeks to complete your assessments, and will have a dedicated start date and submission deadline. 


Unit ND1/ID1 Assessment

The assessment for Unit ND1/ID1 is split into 4 sections:

  • Scenario based questions (150 marks)
  • Workplace activities (150 marks)
  • Reflective tasks (100 marks)
  • A short research project (150 marks)

You will have 6 weeks to complete your assignment and submit it to the NEBOSH online portal. We recommend you spend at least 60 hours on your assessment, which equates to around 10 hours per week.

The assessment is worth 550 marks and you need to achieve at least 50% to pass.


Unit ND2/ID2 and Unit ND3/ID3 Assessment

Units ND2/ID2 and ND3/ID3 are each assessed with a case-study and scenario based questions. 

You will have 4 weeks to complete each question paper and submit it for marking. We recommend you spend at least 40 hours on each paper (around 10 hours per week).


NEBOSH Diploma (2019 syllabus) Assessment Dates

For learners studying the 2019 syllabus, with ND1/ID1, ND2/ID2, ND3/ID3 online open book assessments, please find all upcoming dates below:



Assessment Start DateSubmission DeadlineRegistration Deadline
ND3/ID311 January 202308 February 202330 November 2022
ND1/ID115 March 202328 April 202308 February 2023
ND2/ID210 May 202308 June 202303 April 2023
ND3/ID319 July 202316 August 202314 June 2023
ND1/ID113 September 202325 October 202308 August 2023
ND2/ID215 November 202313 December 202311 October 2023



NEBOSH Diploma (2015 syllabus) Exam Dates

If you are still completing your 2015 syllabus NEBOSH Diploma, please see below all upcoming dates for the Unit A/IA, Unit B/IB, Unit C/IC written exams.  Remember, you will need to register for your chosen exam at least 8 weeks in advance:

Unit A / IAUnit B/ IBUnit C / IC
14 February 202315 February 202316 February 2023
11 July 202312 July 202313 July 2023


DNI Assessment Dates (2015 Syllabus)

See below for all upcoming submission dates for the DNI assignment (2015 syllabus only):

Submission DeadlineRegistration Deadline
22 February 202311 January 2023
24 May 202312 April 2023
23 August 202312 July 2023
29 November 202318 October 2023


Disclaimer: Please select your dates carefully, your exam registration cannot be cancelled or transferred after the registration deadline has passed.

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NEBOSH National/International Diploma Assessment Process

NEBOSH will send login details for the NEBOSH assessment portal 2 weeks before your assessment start date. These will arrive by email directly from NEBOSH. From the portal, you can download your assessment paper and any supporting material straight to your computer to complete in your own time.


Assessment Start Date

On the start date of your assessment window, your assessment paper will be available to download from the NEBOSH portal from 12:00 noon (UK time).

You will have a 6 week deadline for ND1/ID1 assessments, and a 4 week deadline for ND2/ID2 or ND3/ID3.

The closing time for submission is 12:00 noon (UK time) on your deadline date.


Submitting your NEBOSH Diploma Assessment

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 completed assessment on the NEBOSH portal by heading to the page where you downloaded your question paper and clicking 'add submission'.


Closing Interviews

Learners will be required to attend a virtual closing interview in the form of a professional discussion with a NEBOSH representative. There will be a discussion following each assessment, and you will be given the chance to book a slot for this accordingly.

This will involve discussing your submission with a NEBOSH representative, verifying your identity and confirming the work as your own. The discussions will be approx 45 minutes.


Your NEBOSH Diploma Results

You must pass all three assessments to achieve your full NEBOSH Diploma qualification. NEBOSH will email you your results within 50 working days after your submission date.

You’ll receive a hard copy certificate for each unit in the post, this can take up to 6-10 weeks after you receive your successful result.

A final overall qualification parchment will be sent from NEBOSH around 6-10 weeks after passing your final unit.

Exam Re-sits

If you have had a referral on a NEBOSH Diploma exam, don't worry!

Our exam advisor can provide you all the useful information you need to re-sit your exam and offer useful resources to help you prepare.

A re-sit assessment is £300 GBP (+VAT).


Course Extensions

Online learners have 36-months access to the NEBOSH Diploma for Occupational Health and Safety Management Professionals materials via the Astutis LMS.

Learners may purchase a course extension which includes the new NEBOSH exam fee if they are unable to complete their studies in the 36-months.

This extension must be purchased before the elapse date.

Learning Methods

Choose How You Study

Do you prefer interactive online learning using the latest gamification techniques, or do you prefer the social perks of the virtual classroom? Perhaps you prefer chronological learning, using a textbook?

Whatever your choice, we are here to help you make the right decision. Download our 'What's Your Style' guide, and discover your preferred learning style today.

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