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NEBOSH Diploma


NEBOSH National Diploma Course

Astutis is a NEBOSH accredited centre number 807 The leading qualification in health and safety 

What is the NEBOSH Diploma?

The NEBOSH Diploma in Occupational Health and Safety is an advanced health and safety qualification. It is recognised all over the world and is requested by many employers.

The course is made up of four units and is assessed with three written exams and an 8,000 word assignment.

The course will help you develop your competence in all areas of health and safety so you can reduce risk in dangerous environments and keep people safe. It is the ideal course if you want a successful, long-term career in health and safety.

The NEBOSH Diploma is NEBOSH's flagship qualification. It’s recognised by employers and professional memberships in over 180 countries around the world!

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NEBOSH Diploma Course Key Facts
Learning Methods Online Course / Distance Learning and Classroom
Units 4 units: A, B, C, DNI
Assessments 3 half day exams plus an 8,000 word work-based assignment
Entry Requirements Literate in the English language. NEBOSH Certificate qualification preferred.

Why take the NEBOSH Diploma?

The NEBOSH Diploma is a widely recognised, highly sought after qualification. 

Taking the NEBOSH Diploma will give you the knowledge and skills you need to create a focused health and safety strategy in the workplace.  The course will provide you with practical skills that are essential to a long and successful health and safety career.

Almost 50% of advertised health and safety roles ask specifically for applicants who hold the NEBOSH Diploma demonstrating how increasingly important the qualification is.  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.

How to take the NEBOSH Diploma

There are a number of 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 is a brilliant way to take the qualification if you are looking for flexibility and to fit learning around your existing responsibilities. 

It does require a degree of self-motivation and discipline but means you can take the course in your own time, at your own pace using online learning resources.  You'll also have access to a remote tutor to support you through your training.

The online qualification can be complete in 450 - 500 hours and all you need is access to a reliable internet connection and a laptop or smart-phone!

If you want to know more about the online learning experience - take it from one of our previous learners right here.

Classroom learning with health and safety our experts

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. Discover more about our Diploma classroom course today.

Distance learning

Distance learning for the NEBOSH Diploma differs from online learning in that it is a more traditional form of self-study.  You control your own learning but don't need to access the internet to do so. Instead you will have readily available resources to study offline in your own time.

Want to know more about study methods for the NEBOSH Diploma? Take a look here.

Who is the NEBOSH Diploma for?

The NEBOSH Diploma is considered a 'gold standard' health and safety qualification. It is ideal if you're already working in health and safety and want to take the next step to becoming more knowledgeable. Essentially, it is for anyone who aspires to be a leader in health and safety. You can read more on this here

What are the entry requirements for the NEBOSH Diploma?

There aren't any strict requirements for starting a NEBOSH Diploma. However, is it recommended that you have a good standard of the English language and a foundation level health and safety qualification such as the NEBOSH General Certificate.

This will ensure you have the ability and foundation knowledge to pass the Diploma assessment and get the most out of the learning materials as explained here.

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 on the other hand, is a more advanced course aimed at those who are already working in a health and safety role. Ideally, you would take the NEBOSH Certificate and then the NEBOSH Diploma.

You can see more on this here.

NEBOSH Diploma Syllabus

The NEBOSH Diploma builds on the content covered in the NEBOSH General Certificate. It is strongly recommended that you complete this before starting the NEBOSH Diploma.

The NEBOSH Diploma is split into 4 units A, B, C, & DNI which cover the following:

  • Unit A: Managing health and safety
  • Unit B: Hazardous agents in the workplace
  • Unit C: Workplace and work equipment safety
  • Unit DNI: Application of health and safety theory and practice

Read the full NEBOSH Diploma syllabus.

How long does it take to complete the NEBOSH Diploma?

The NEBOSH Diploma requires a lot of hard work and study however, the amount of time it takes to complete depends on the type of training you choose. NEBOSH recommends around 500 study hours in total.

Taught Learning Hours: The taught course has a minimum of 243 taught hours which can be done online. There will be additional study hours to complete course work at home. Online learning is much more flexible meaning you can do those hours in your own time and at your own pace.

Self-Study Hours: If you decide to choose the self-study route it is recommended that you spend 256 hours studying.

Want to know more? Take a look at this blog.

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 £1,200.

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.

Our blog offers more information on prices and payment methods.

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.  If you'd like to know more about this take a look here.

How is the NEBOSH Diploma assessed?

There are three half day exams for Units A to C. Unit DNI is assessed with an 8,000 word work-based assignment.

You need to pass all elements to achieve your NEBOSH Diploma. Find out more about the exams and what to expect here!

What to expect from your NEBOSH Diploma exams

You need to pass four assessments to achieve your full NEBOSH Diploma in Occupational Health and Safety - three 3-hour written exams and one 8,000 word assignment. Don't worry, you'll get lots of exam preparation and support throughout your course.

You can read all about the NEBOSH Diploma exams (including when you’ll get your results) in our blog post here.

How to start your NEBOSH Diploma course

Get in touch with Astutis today to find out all you need to know about starting your course.

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If you're in the Armed Forces, start a career in health & safety 

ELC logo - Get ELC funding to take this courseArmed 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. Find out more

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"I have really enjoyed the first week. I must commend all staff for a very helpful and friendly welcome. Thank you."

Head of Maintenance at Dŵr Cymru Welsh Water
NEBOSH Diploma at Cardiff


Does the NEBOSH Diploma Expire?

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.

NEBOSH alumni benefits and chartered status route

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.

Are there any entry requirements to taking the NEBOSH National Diploma?

Although it is not required, it is strongly recommended that you take the National General Certificate before the National Diploma to improve your chances of passing.

How to choose a NEBOSH Diploma Provider?

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.

Is the NEBOSH Diploma a degree?

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.

International Vs National NEBOSH Diploma

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.

What support do the NEBOSH National Diploma tutors provide?

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.