Who needs NEBOSH, and what are the main NEBOSH courses?

Key facts

• NEBOSH stands for the National Examination Board in Occupational Safety and Health, an independent awarding body founded in 1979.
• The NEBOSH National General Certificate is the most widely held NEBOSH qualification. Around 50,000 people sit it each year worldwide.
• The NEBOSH National Certificate in Construction Health and Safety is the construction-specific equivalent.
• Both certificates take roughly 10 study days in classroom delivery, typically spread across several weeks plus self-study and a practical project.
• Assessment is a written open-book exam plus a workplace-based risk assessment project. Pass marks set by NEBOSH.
• NEBOSH certificates do not formally expire, but refresher CPD is expected for anyone working in a named H&S role.

Who needs NEBOSH

NEBOSH is aimed at people who carry health and safety as a core part of their role rather than as an add-on. Typical job titles include:

• Health and Safety Officer / Advisor. Sits inside an employer’s H&S function. The NEBOSH National General Certificate is the entry-level qualification for the role.
• Site Safety Manager. On construction projects, responsible for site-wide safety compliance. NEBOSH Construction Certificate or General Certificate, often paired with the IOSH supervisor route.
• Competent person named on PQQ submissions. Pre-qualification questionnaires for Tier 1 work routinely ask for a NEBOSH-qualified competent person on the team.
• Contracts Manager / Project Manager. Where the role carries safety accountability for a budget or programme, NEBOSH is increasingly expected on the CV.

For operatives and supervisors who carry safety as part of a wider role rather than as their core job, IOSH Working Safely or Managing Safely is usually the better fit. See IOSH vs NEBOSH for the full comparison.

NEBOSH National General Certificate in Occupational Health and Safety

The General Certificate is the workhorse NEBOSH qualification. It covers H&S management across any industry: the legal framework (Health and Safety at Work Act 1974, Management of Health and Safety at Work Regulations 1999, sector-specific regulations such as MHOR 1992 and COSHH 2002), risk assessment methodology, hazard control in specific topics (fire, electricity, work at height, manual handling, hazardous substances, noise, vibration, psychosocial), accident investigation, and the role of the H&S management system. Assessment is the OBE (open book examination) plus a practical workplace risk assessment. Delivered over 10 study days plus self-study, total commitment roughly 100–120 hours. The course page is here.

NEBOSH National Certificate in Construction Health and Safety

The Construction Certificate covers the same H&S management principles as the General Certificate but with the depth on construction-specific hazards: the Construction (Design and Management) Regulations 2015 (CDM 2015), site set-up and welfare, excavations and confined spaces, working at height under the Work at Height Regulations 2005, mobile plant, demolition, falsework, scaffolding, hot works, asbestos and lead. It is the right NEBOSH for someone whose career sits entirely inside construction, civils or building services. Assessment is the same OBE plus a construction-site risk assessment project.

NEBOSH National Diploma and other NEBOSH qualifications

Above the Certificate level, NEBOSH offers the National Diploma in Occupational Health and Safety (a much longer, degree-level qualification typically taken over 12–18 months by dedicated H&S professionals), plus topic-specific certificates such as the NEBOSH Fire Safety Certificate, the Environmental Management Certificate and the Mental Health at Work qualifications. For most construction-sector employers, the General or Construction Certificate is the right entry point and the Diploma is reserved for senior in-house H&S leads.

How long does NEBOSH take and how is it delivered?

The General Certificate and the Construction Certificate are roughly equivalent in size: about 100 hours of total study time including taught classroom hours, self-study and the practical project. The most common delivery formats are:

• Block release. Two-week intensive block at the centre, exam at the end. Best where the candidate can step out of the day job.
• Day release. One day a week across 10 weeks. Best where the candidate stays on the tools or in the office in parallel.
• Open-learning / distance. Self-study against the NEBOSH syllabus with tutor support. Cheapest and slowest. Suits highly motivated candidates with existing safety knowledge.

Pass rates are highest on block release and day release because of the structured tutor contact. MPTT runs both formats. Call us on 01543 899706 for the next available dates.

Is NEBOSH worth it commercially?

For someone moving into a named H&S role, yes. The NEBOSH General Certificate is the qualification the H&S Officer job adverts ask for; without it, the candidate is filtered out at the CV screen on most postings. For employers, having at least one NEBOSH-qualified competent person on the payroll is functionally a requirement to bid for Tier 1 construction work in the UK. CITB Levy-registered employers can recover a grant against most NEBOSH plant-and-construction training.

Related questions

• What’s the difference between IOSH and NEBOSH?
• IOSH Working Safely vs Managing Safely?
• What is COSHH training and who needs it?
• What is Fire Marshal / Fire Warden training?
• What is HAVS (Hand-Arm Vibration Syndrome) training?

Quick answers to related questions

Is NEBOSH harder than IOSH?

Yes. NEBOSH is longer, more academic and assessed with a written exam plus a workplace project. IOSH Managing Safely is a 3-day practical course. NEBOSH is aimed at people whose job title contains the word “safety”; IOSH is aimed at supervisors who carry safety as part of a wider role.

How long does the NEBOSH General Certificate take?

About 100 hours of total study time, including classroom days, self-study and the practical project. Block release courses run for 2 weeks; day release runs once a week for 10 weeks; open learning is self-paced over 6–12 months.

Does a NEBOSH certificate expire?

No formal expiry, but CPD is expected for anyone working in a named H&S role. Most employers will look for current CPD records alongside the NEBOSH certificate when assessing competence.

Last updated: 2026-05-21. Reviewed by the MPTT health and safety training team, IOSH- and NEBOSH-accredited instructors.