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NEBOSH Diploma Exams 

Your guide to sitting your exam with Astutis

The NEBOSH National/International Diploma has 4 exams, one for each unit.

  • Unit A/IA: 3-hour written exam
  • Unit B/IB: 3-hour written exam
  • Unit C/IC: 3-hour written exam
  • Unit DNI: 8000 word practical assignment

Written exams take place twice a year, in January and July, while your Unit DNI practical assignment can be submitted at four different points throughout the year. 

Upcoming NEBOSH Diploma Exam Dates

You need to register for your NEBOSH Diploma exam at least 8 weeks before your chosen exam date. 

NEBOSH Diploma Written Exam Dates

Unit A/IAUnit B/IBUnit C/ICRegistration Deadline
06 July 202107 July 202108 July 202117 May 2021
12 October 202113 October 202114 October 202124 August 2021

NEBOSH Diploma Unit DNI Submission Dates

Submission dateRegistration deadline
26 May 202101 April 2021
25 August 202114 July 2021
25 November 202113 October 2021

Please note, you must have completed your Unit A, B and C exam before you can submit your Unit DNI assessment.

How to book your NEBOSH Diploma Exam

To book your NEBOSH Diploma written exam or practical assignment, simply fill in the orange form with the required information. Our exam coordinator will be in touch within 24 hours to confirm your booking and explain the next steps. 

Remember, you must be enrolled as a student before we can register you for an exam. 

If you have any questions, please get in touch with us at

Where can I sit my NEBOSH Diploma Exams?

You can sit your NEBOSH Diploma exams with us at the following venues:

  • Birmingham
  • Bristol
  • Cardiff
  • Central London
  • Edinburgh 
  • Glasgow 
  • Heathrow
  • Wakefield
  • Warrington

Exam Booking Form

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