"The course was structured very well, was delivered at the right pace and the trainer quickly judged the needs and requirements of the whole course"

John Pearce - EH&S Manager, Northrop Grumman

NEBOSH National Diploma in Occupational Health and Safety

The NEBOSH National Diploma is the most popular and recognised health and safety qualification of its kind

What is the NEBOSH National Diploma?

The NEBOSH National Diploma in Occupational Health & Safety is the first step to becoming a chartered safety and health practitioner. A prestigious and highly-respected health & safety diploma, currently held by over 18,000 OSH professionals, RoSPA enjoys exceptional pass rates and offers an exclusive "Mentoring Package" to support our Safety Diploma delegates on a one-to-one basis at no extra cost.

Why take the NEBOSH National Diploma?

Join the 18,000 holders of the NEBOSH National Diploma worldwide, who are saving the lives of their colleagues and members of the public.

By passing this NEBOSH National Diploma qualification it will allow you to take your career to the next step and provide you with the academic credentials to be a competent professional for your organisation.

You will then be able to introduce cost saving processes by managing your health and safety management effectively, which in turn will create a safer working environment for everybody.

Why study with RoSPA?


NEBOSH Gold Learning Partner


Exceptional pass rates that exceed the national average


A delegate-centred approach to learning


Instrumental in every piece of UK safety legislation for over 100 years

Who can study the NEBOSH National Diploma?

The NEBOSH National Diploma in Occupational Health and Safety is designed for ambitious health and safety professionals who want to take their knowledge to the next step. The NEBOSH Diploma course builds on knowledge from the NEBOSH National General Certificate in Occupational Health and Safety.

Thousands of health and safety professionals throughout the world have worked to achieve NEBOSH’s National Diploma in Occupational Health and Safety, which provides them with a sound basis for progression to postgraduate study.

What does the NEBOSH National Diploma cover?

The NEBOSH Diploma course is divided into four main units, each of which is assessed separately. The NEBOSH Diploma course units are:

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

How long is the NEBOSH National Diploma course?

The NEBOSH Diploma is taught over 30 days (six five-day blocks), with the option of a two day revision course. In total, the NEBOSH Diploma requires in the region of 475 study hours - 241 taught classroom hours and approximately 234 hours of private study and background reading (75 hours per unit).

How is the NEBOSH National Diploma assessed?

The NEBOSH Diploma is assessed by 3 x three hour written exams and a written assignment. All questions within the course examination are compulsory and papers are marked externally by certified NEBOSH appointed examiners.

Where can I study the NEBOSH National Diploma?

The NEBOSH National Diploma is delivered in various locations throughout the United Kingdom such as Birmingham, Edinburgh, Glasgow, London, and Manchester.

Courses in other locations are available and run by our trusted partners, Astutis Limited, and as such RoSPA Member discounts are not applicable. It's also strongly recommended that delegates complete one unit at a time as opposed to completing three units in consecutive months.

Group of people sitting in a classroom

Our accredited training centres allow you to get away from the distractions of the workplace and focus on your qualification

Business people working on a project

We can visit your workplace and deliver the course at a time and place to suit you. This is an effective way of training several delegates at the same time, saving on time and travel costs

What is NEBOSH?

Visit our NEBOSH FAQ's to see your questions about NEBOSH answered.

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