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How long does the NEBOSH Diploma take to complete?

Learn more on how long the NEBOSH Diploma for Occupational Health and Safety Management Professionals takes to complete.

June 2019

Looking for some more information on how exactly how long the NEBOSH Diploma for Occupational Health and Safety Management Professionals takes? Fear no more; you are in the right place!


It's no secret that people are living busier lives. Post COVID-19 time is precious, and we all like to get things done quickly to spend more time doing the things we enjoy. Unfortunately, some things can't be rushed, and developing new skills is one of them.

To pass your NEBOSH Diploma, you'll need to be motivated and committed. Depending on your mode of learning, you're going to have to find time to study around work and day-to-day activities. Sometimes you'll have to sacrifice the time you spend on things you enjoy.

That said, one of the great things about the NEBOSH Diploma is its flexibility. So, although there are several recommended study hours, it's up to you how you complete them.


Recommended Study Hours

NEBOSH recommends between 466 - 500 study hours to complete the required learning. This is broken down into 'taught hours' and 'private study' hours.

Taught Learning Hours

The course has approximately 180-200 taught hours. These are the hours spent learning new concepts through an online course or in a virtual classroom.

Online courses are the most flexible. It contains all the study material required to fulfil the required hours of study; you will have 24/7 access to all the learning materials, so you are in control.

In an ideal world, you'll be able to adhere to the recommended self-study hours. If you can't factor in that time, it may take you longer to feel confident enough to sit your assessments.

Most course providers will give you a limit as to how long you have access to your course materials, so make sure you check with them before you purchase.

Self-study Hours

You're recommended to spend 144 hours carrying out your private study. Private study hours are the recommended number of hours you should spend doing additional research and background reading around a topic.

These private study hours are essential to building the amount of knowledge needed to pass the exams. It involves everything from reading journals, whitepapers and websites, to attending webinars and watching videos.

With an online course, you'll find all the additional resources you need to carry out this research. It'll contain links to useful websites, journals, videos, and activities for you to practice what you've learnt.

With virtual classroom courses, you'll be given a set of course materials from your tutor to read through. Your tutor will guide you as to where you can find additional resources. However, you'll have to go and retrieve them yourself.

ND1 Recommended Study Time


ND2 Recommended Study Time


ND3 Recommended Study Time



NEBOSH allows you five years to complete the NEBOSH Diploma once you have passed the first unit you take.

This time around, all assessments can be completed remotely.

You'll want to give yourself the best possible chance of passing your NEBOSH Diploma exams, so you'll need to factor in time for your revision, too.

A full-time block course would be expected to last for a minimum of six weeks (30 working days and 7 hours of learning a day). A part-time day course would be spread over at least 30 weeks, giving you the control to learn and study your way.

Total Recommended Study Time

If you want more information on the NEBOSH Diploma assessment? We got you covered! Check the new NEBOSH Diploma assessments guide  here.
Whatever you do, don't be intimidated by the time required to complete the NEBOSH Diploma for Occupational Health and Safety Managing Professionals qualification. Whatever your circumstances, whatever your situation, Astutis has you covered. Nothing will hold you back, your future awaits!


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