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What is the NEBOSH National Diploma in Occupational Health and Safety?

The NEBOSH National Diploma in Occupational Health and Safety is one of the most popular and highly valued degree-level qualifications for health and safety professionals in the UK and internationally.

Over 18,000 people have passed the NEBOSH Diploma since it was first introduced in 1980. Considered the gold standard of health and safety qualifications, it is the highest-level training NEBOSH offers.

On this page, you can book the full diploma course. To book individual units, please go to the NEBOSH units page. If you wish to book an exam, please go to the NEBOSH exam page.

If Classroom Learning isn’t suitable, this course is also available in another format. Please call us on 0345 500 8811 to discuss further.

What are the benefits of the NEBOSH Diploma course?

The National Diploma increases candidates' ability to help organisations make sensible and proportionate decisions in managing risks. This supports their business objectives and regulatory requirements – delivering positive change in the modern workplace.

Who is the NEBOSH Diploma suitable for?

The Phoenix NEBOSH Diploma classroom course is ideal for health and safety professionals wishing to advance their career and create a safer working environment. A degree-level qualification can also increase promotion prospects and earning potential.

As a Diploma candidate, you are likely to have already completed either the NEBOSH National General Certificate or the NEBOSH National Certificate in Construction Health and Safety, however, there are no formal entry requirements.

A number of UK universities accept the NEBOSH Diploma as meeting their entry criteria for MSc-level courses, so it provides a clear route to masters-level postgraduate study.

Course programme and duration

The NEBOSH National Diploma classroom course requires seven weeks of tuition. If you can't commit to such a period of study, the Phoenix NEBOSH National Diploma Distance Learning course provides a more flexible alternative. An In-House course is also available, ideal for employers who wish to train several candidates simultaneously. Please call us on 0345 500 8811 to discuss these options further.

What are the key topics covered?

• Management of health and safety at work.
• The key UK legal frameworks for health and safety, including the essential elements of health and safety systems.
• Identifying and controlling risk associated with hazardous agents, workplace issues and equipment.
• Management of workplace stress.
• The importance of human factors in reducing incidents.

How the course units are split

The qualification is divided into four units, three taught and one practical, each assessed separately:

• 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 management in the workplace.

Assessment and certification

A separate unit certificate is awarded for each unit passed. Each of the three taught units is assessed by a written 3-hour examination. Exams take place at Phoenix Health & Safety venues in London, Manchester and Birmingham.

Unit DNI involves a workplace-based assessment that tests the practical application of knowledge gained in units A, B and C. Assessment for Unit D involves undertaking a full health and safety audit of a company of your choosing (ideally your own).

The NEBOSH Diploma is comparable to NQF/QCF Level 6 in England, Wales and Northern Ireland.

What can the Diploma lead to?

Holders of the NEBOSH National Diploma in Occupational Health and Safety are entitled to use the designatory letters DipNEBOSH.

The Diploma meets the academic requirements to apply for membership of many professional bodies, including Graduate Membership of the Institution of Occupational Safety and Health (GradIOSH) and full membership of the International Institute of Risk and Safety Management (IIRSM). 

For National Diploma holders wishing to use their skills overseas, the NEBOSH International Diploma in Occupational Health and Safety is an excellent option.

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Start Date: 15/02/2021
End Date: 02/07/2021
Start Date: 23/08/2021
End Date: 10/12/2021
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Course Content

Study method

As with all Phoenix classroom courses, you will study in a comfortable, stimulating and interactive learning environment with lots of natural light. You will enjoy face-to-face tuition from our highly qualified tutors, with the opportunity to ask questions at all times. Away from the classroom, you can contact your tutors by email, Skype and on social media.

Where can I study the NEBOSH Diploma with Phoenix?

This is one of a wide range of NEBOSH classroom courses available through Phoenix. It takes place at our popular London venue in Westminster.

We can also facilitate exams in major cities at British Council venues around the world. Please note that charges additional to the NEBOSH price may apply for this service.

Location and Dates

This course is currently available in London on the following dates:

London Dates, 2020:

Course 2

Unit A:

  • Week 1: 24th Aug - 28th Aug
  • Week 2: 21st Sep - 25th Sep
  • Week 3: 12th Oct - 16th Oct

Unit B:

  • Week 1: 26th Oct - 30th Oct
  • Week 2: 9th Nov - 13th Nov

Unit C:

  • Week 1: 23rd Nov - 27th Nov
  • Week 2: 7th Dec - 11th Dec

London Dates, 2021:

Course 1

Unit A:

  • Week 1: 15th Feb - 19th Feb
  • Week 2: 8th Mar - 12th Mar
  • Week 3: 22nd Mar - 26th Mar

Unit B:

  • Week 1: 12th Apr - 16th Apr
  • Week 2: 10th May - 14th May

Unit C:

    • Week 1: 7th Jun - 11th Jun
    • Week 2: 28th Jun - 2nd Jul
Course 2

Unit A:

  • Week 1: 23rd Aug - 27th Aug
  • Week 2: 13th Sep - 17th Sep
  • Week 3: 4th Oct - 8th Oct

Unit B:

  • Week 1: 25th Oct - 29th Oct
  • Week 2: 8th Nov - 12th Nov

Unit C:

  • Week 1: 22nd Nov - 26th Nov
  • Week 2: 6th Dec - 10th Dec

 Final Assessment

Each of the three taught units are assessed by a written 3-hour examination.

You can sit your exams at one of three Phoenix Health & Safety venues in:

  • London
  • Birmingham
  • Manchester

We are also able to facilitate exams in major cities located all over the world at British Council venues, however please note that additional charges may apply for this service.

For more information on exam registration cut-off dates or advice on arranging alternative examination venues, please contact us.

Assessment for Unit D involves undertaking a full health and safety audit of a company of your choosing (ideally your own). Submission dates for Unit D assessments are:

  • 26/08/2020
  • 25/11/2020

Course fees

The fee for the full Phoenix NEBOSH National Diploma classroom course in London is £4,995 + VAT. This includes expert tuition and three one-day revision workshops- one for each of the taught units.

All course materials are included, along with access to online webinars and forums. Plus, lunch and refreshments are provided on each day of the course. The course can be purchased in full or per unit.

Additional NEBOSH course fees

• £60 enrolment fee.
• Examination charge of £135+VAT per written exam.
• £99+VAT for practical element Unit DNI.

Course materials

All course materials are prepared in-house by our Technical Writer, Lead Diploma Tutor and NEBOSH examiner, Dr Julie Riggs, DProf, MSc, CMIOSH, MBOHS, MISIAQ. Dr Riggs is a world-renowned expert in health and safety, who has given House of Commons presentations and been interviewed for national television and radio.

Course materials include:

• Detailed content on all areas of the syllabus.
• Examples and case studies bringing the course material to life.
• Activities and revision questions to test your knowledge and clarify your learning.
• Mind map summaries to assist with knowledge retention and exam revision skills.
• Tutor-marked assignments and feedback to ensure you are fully prepared for examinations.
• Further resources including an online library of additional reading, videos, learning aids and student activities.
• Bi-weekly live webinars where you can discuss your studies with your peers or ask questions of your tutors and receive instant feedback.

Our Diploma workshop dates are as follows -

  • 16th Sept – Diploma Workshop Unit A
  • 17th Sept – Diploma Workshop Unit B
  • 18th Sept – Diploma Workshop Unit C
Multiple sign-ups

If your organisation has several candidates, we may be able to offer discounts on the standard NEBOSH training cost. We can also provide company-specific courses. Please contact us for more information and a tailored proposal for your organisation.

Student discounts to help with the NEBOSH qualification cost

Enrolling on the Phoenix Health & Safety NEBOSH National Diploma classroom course entitles you to a wide range of student discounts with the NUS TOTUM card. Check if you're eligible for over 200 student discounts.

MOD ELC funding

ELC funding excludes course materials, lunches and refreshments. These must be funded by the student, please contact the Phoenix Sales team to confirm prices.


You can view a sample video of one of our Diploma Webinars, below. They act as an additional resource for our students and are broadcast live – they’re also uploaded for future viewing. Each webinar covers a different topic from the syllabus, making it easier and more rewarding to study with Phoenix Health & Safety.

Why choose classroom learning with Phoenix?

We are one of the UK's premier providers of health and safety training, renowned for the expertise and knowledge of our mentors and tutors. Many candidates find access to the Phoenix Facebook community group particularly valuable as it allows them to network with fellow students, ask tutors questions and get useful advice.

The Phoenix Pass Pledge

If you fail to meet the required standard in your exams the Phoenix Pass Pledge is our promise that you can continue your studies free of charge until you’re ready to take the exam(s) again. With above industry average pass rates, we find most committed students pass first time.

Support, guidance and advice from our Study Support Tutor are always there to ensure you get a great result.

Frequently asked questions

When and how will I receive my results?

NEBOSH send out the results 10-12 weeks after the exams.

When and how will I receive the certificate?

Your certificates will arrive from Phoenix 10-12 weeks after the results have been announced.

Are there any entry requirements?

There is no formal entry requirement. However, achievement of the NEBOSH National General Certificate, or a direct equivalent, is highly recommended before undertaking the Diploma course.

An appropriate standard of English language is also essential for students to understand the syllabus and articulate the concepts it contains. NEBOSH recommends a minimum standard of English equivalent to an International English Language Testing System (IELTS) score of 7.0 or higher.

What happens if I fail the assessment? 

You have to book and pay for the exams again, but it is good to know that the Phoenix Pass Pledge enables you to study free of charge before you retake the exams.


Janine, Fire Industry, Office Manager, NEBOSH National Diploma:

“I really enjoyed studying the NEBOSH Diploma with Phoenix. It has allowed me to significantly develop in my job role and I am now more aware of the regulations and responsibilities within my organisation. The NEBOSH Diploma has made me feel more confident in writing risk assessments as I can apply specialist, in-depth knowledge regarding appropriate controls.

The support from Phoenix is incredible. I studied via distance learning and I was struggling with some elements of the unit, the tutors contacted me straight away to guide me through the course material. The practice papers were marked quickly with immediate feedback throughout. Without the support from Phoenix in the lead up to the exam, I would have struggled to achieve the result that I did.

Thanks to the NEBOSH Diploma, my opportunities for career progression within the Health and Safety field have increased. Having this NEBOSH qualification also gives my organisation and its customers confidence that I take health and safety seriously.

Thank you, Phoenix, for the support and encouragement provided by the tutors, they are on hand any time for help and guidance.”