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NEBOSH National Diploma

NEBOSH National Diploma Course

Become a leader in health and safety

There's never been a better time to accelerate your career. To enhance your strategic thinking. To develop your leadership skills. To drive innovation in health and safety and take a senior position in your company.

Special Offer:Pre-Purchase the Online Course with exams for £1595+VAT

The Diploma qualification syllabus is the most recent 2021 version. Our new online course will be available on 30 September 2021. Pre-purchase the online course before 30 September at the special discounted price of £1595+VAT. 

What is the NEBOSH Diploma?

The NEBOSH Diploma for Occupational Health and Safety Professionals is an advanced health and safety qualification. It replaced the NEBOSH Diploma in Occupational Health and Safety in April 2021. 

The latest course development is designed to develop your competence in all areas of health and safety so you can reduce risk in dangerous environments and keep people safe. 

The course is made up of three units and covers legislation, hazardous agents, equipment, and workplace safety. It's assessed with 1 workplace assignment and 2 case studies. 

The NEBOSH Diploma is recognised by employers and professional memberships in over 180 countries around the world! It's the ideal course if you want a successful, long-term career in health and safety. 

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(Ex VAT) £1595.00
NEBOSH Diploma Course Details
Learning MethodsOnline Course, Distance Learning, Classroom and Virtual
UnitsWorkplace health and safety principles (ND1)
Controlling workplace health issues (ND2)
Controlling workplace safety issues (ND3)

1 workplace assignment and 2 case study question papers 

Entry RequirementsYou must have taken the NEBOSH General Certificate or have at least 5 years experience working in a health and safety role.

Why take the NEBOSH Diploma?

The NEBOSH Diploma is considered a 'gold standard' health and safety qualification. It's for aspiring health and safety professionals who want to become leaders in the field.

By completing the course, you'll be able to:

  • Protect people from injury and ill-health in dangerous environments
  • Drive and influence change with a company-wide health and safety strategy
  • Lead a safety-focused workforce
  • Accelerate your career in health and safety - almost 50% of advertised health and safety roles specifically ask for the NEBOSH Diploma. 

Watch this video to find out why Astutis students took the NEBOSH Diploma at the NEBOSH Graduation Awards Ceremony and the positive difference it has made to their work. 

Astutis is proud to be one of the nation's leading NEBOSH Diploma providers with over 80% pass rates. 

Who is the NEBOSH Diploma for?

The NEBOSH Diploma is a powerful qualification for ambitious professionals already working in health and safety, such as:

  • Health and Safety Managers, Advisors, or Officers
  • Compliance Managers
  • Training Coordinators
  • Quality, Risk, and Environmental workers
  • Engineers
  • Consultants
  • Directors

By combining specialist risk management knowledge with practical experience and business acumen, you’ll have the credentials to aim for Head of Health and Safety - and beyond! 

What are the entry requirements for the NEBOSH Diploma?

The NEBOSH Diploma is an advanced qualification. You should already understand fundamental health and safety principles such as risk assessment, hazard control, accident investigation, and key regulations. 

You’ll also need to have a good level of communication to critically analyse information and apply it to any given scenario. 

We always recommend taking the NEBOSH General Certificate before taking the Diploma to ensure you can meet the demands of the course. 

NEBOSH Diploma Syllabus

The NEBOSH Diploma has three units:

  • Workplace health and safety principles (ND1)
  • Controlling workplace health issues (ND2)
  • Controlling workplace safety issues (ND3)

Read the full NEBOSH Diploma for Occupational Health and Safety Professionals syllabus here.

How is the NEBOSH Diploma assessed?

The NEBOSH Diploma takes a hands-on approach to learning. Unit ND1 is assessed with a practical assignment made up of scenario-based questions, workplace activities, reflective tasks, and a short research project. Units ND2 and ND3 are assessed with a case study and scenario-based questions.

Each assessment is completed electronically and submitted through the NEBOSH exam portal. You'll have between 4-6 weeks to complete your assessments from your chosen exam date. 

You must pass all three units to achieve your full NEBOSH Diploma. Your total number of marks will determine your final qualification grade:

  • Pass: 150-195 marks
  • Credit: 196-255 marks
  • Distinction: 226+ marks

How hard is the NEBOSH Diploma?

The NEBOSH Diploma is an advanced qualification, so it’s certainly not a walk in the park.

Your current level of knowledge and ability to motivate yourself will naturally play a big part on how difficult you find the course. But so will other factors like time, language and your confidence in sitting exams.  Discover more about how hard the NEBOSH Diploma is in our blog.

How long does it take to complete the NEBOSH Diploma?

The NEBOSH Diploma requires 475 hours to complete, including taught learning hours, self-study hours, and assessment hours. 

Taught Learning Hours: The taught element of the course has a minimum of 191 hours. These are either done through online learning materials or in a tutor-led environment. 

Self-Study Hours: You'll need to complete research and additional study to support and consolidate your learning. NEBOSH recommends 144 hours of self-study hours to ensure a comprehensive learning experience. 

Assessment Hours: There are 140 assessment hours for the NEBOSH Diploma; 60 for ND1, 40 for ND2, and 40 for ND3. You'll have a 4-6 week window to complete your assessment hours, which equates to around 10 hours of work each week.

How to take the NEBOSH Diploma

There are many ways to take the NEBOSH Diploma. The method you choose will depend on your circumstances and how you prefer to learn.

Online elearning

Online training ideal if you are looking to fit your studying around your current lifestyle. It does require a degree of self-motivation and discipline, but it allows you the flexibility to take the course in your own time and at your own pace. All you need is access to a reliable internet connection and a laptop, and you're good to go! You'll also have access to a remote tutor for support whenever you need it, so you'll never be on your own throughout your training.

Discover our interactive NEBOSH Diploma online course

Virtual learning 

Suppose you prefer a structured, tutor-led approach to your training and value interaction with fellow health and safety professionals. In that case, an Astutis virtual classroom course is the best option for you. 

Be guided through your course by your CMIOSH tutor and collaborate with others in our virtual break-out rooms. 

Find out more about our NEBOSH Virtual Training today.

Distance learning

Distance learning offers a more traditional form of self-study. You'll have access to optimised PDF materials to study in your own time and at your own pace. You won't get the same level of interaction as online learning, so you'll need to be motivated to challenge your own understanding. However, you'll still have access to a tutor for help and guidance whenever you need it. 

View our traditional NEBOSH Diploma distance learning course.

Classroom learning

If you prefer a structured, tutor-led approach to your training and value sharing experiences gained from fellow health & safety professionals then an Astutis classroom-based NEBOSH Diploma course is the option for you.

View our traditional NEBOSH Diploma classroom learning course.  

What's the difference between the NEBOSH Diploma and the NEBOSH General Certificate?

The NEBOSH General Certificate is a great place to start with your health and safety learning. It covers a broad range of topics and is the ideal course for those looking to start their health and safety career.

The NEBOSH Diploma is a more advanced course aimed at those who are already working in a health and safety role. 

How much does the NEBOSH Diploma cost?

Lots of factors go into the price of a NEBOSH Diploma course. Your chosen learning method and location are the main two considerations. But other support services like webinars, tutor support and exam help can also affect the price.

A very basic self-study course with no additional services can start from around £1,595.

If you are funding the course yourself, you may be able to get a payment plan with your course provider to spread the cost along with the three units.

Funding for the NEBOSH Diploma
ELC logo - Get ELC funding to take this course

Armed Forces' members can get financial support for higher level learning. As Astutis is an approved and registered partner of Enhanced  Learning Credits Administration Service (ELCAS) courses you can get funding to study with us.


The length of time taken to complete the NEBOSH National Diploma course varies according to mode of study. Candidates have a period of 5 years from enrolment to completing their NEBOSH National Diploma exams. 
Like other NEBOSH courses, the NEBOSH Diploma does not expire. However, it is best to keep up to date with the latest legislation and health and safety news. You can do this by reviewing the latest syllabus, subscribing to health and safety blogs and by attending health and safety events. Read more here.
As a NEBOSH learner you have your own login to a portal containing unique health & safety information, events for tailored Continuing Professional Development, networking opportunities a biannual journal exploring recent health and safety research. The NEBOSH National Diploma qualification meets the academic requirements to apply for Graduate Membership (Grad IOSH) of Institution of Occupational Safety and Health (IOSH). It is the first step to becoming a Chartered Health and Safety Practitioner as a chartered Member of IOSH (CMIOSH). The next step is completing a Skills Development Portfolio. Once you have passed all of the units you will also need to maintain your continuing professional development (CPD). You will be asked to attend a peer review interview.
You need to have a foundation understanding of health and safety principls before taking the NEBOSH Diploma. We strongly recommended that you take the National General Certificate or have at least 5 years experience working in a health and safety role to increase your chance of passing
Choosing a provider for the NEBOSH Diploma can be tough. There are a lot of providers to choose from and you want to ensure you get the most from your money. Astutis' advice is to look at online online reviews and testimonials to see what past learners think. You could also try to understand what their average pass rates are - this reflects on the quality of training and learning support. Reviewing what learning material you will have access to and whether or not the provider offers a learning method that's right for you is also really important.
The NEBOSH Diploma is a level 6 qualification which is equivalent to a Foundation level Degree. According to the National Qualifications Framework, this equates to around 2/3 of a full Batchelor's degree.
For people outside of the UK we recommend the NEBOSH International Diploma course on our international courses website.
The NEBOSH Diploma course is available in two versions. National for UK based learners and International for learners outside the UK. Both courses are equal to one another however the syllabus is slightly different and is tailored to legislation in different parts of the world.
All Astutis tutors are experienced health and safety professionals and leaders within their field. With vast industry knowledge gained from experience, our tutors are also educationalists who hold teaching qualifications, masters degrees or doctorates. Additionally, as NEBOSH examiners they are ideally placed to guide and coach delegates to ensure success. For those studying online, with our award-winning LMS, delegates are able to further interact outside of the classroom by way of our tutor-led discussion forum and notice boards. Tutors are able to pose questions and guide conversation to further develop thinking around particular topics. Online learners will gain free access to revision webinars as part of their course and all Astutis delegates will be assigned a tutor on enrolment who will be on hand to answer questions on a one-to-one basis via telephone or email.

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