Short answer. Safety training reduces accidents because it closes the gap between what a job requires and what the person doing it actually knows. It is also a legal duty in its own right, not just good practice, under the Health and Safety at Work etc. Act 1974 and several sets of regulations that name training specifically.
Why safety training is a legal duty
Section 2(2)(c) of the Health and Safety at Work etc. Act 1974 requires employers to provide the information, instruction, training and supervision necessary to keep employees safe. The Management of Health and Safety at Work Regulations 1999, regulation 13, adds specifics: employees must be trained on induction, when they change jobs or duties, and when new equipment, technology or a new system of work is introduced.
Several regulations go further for particular risks. PUWER 1998 (regulation 9) requires adequate training for anyone who uses work equipment. COSHH 2002 (regulation 12) requires information, instruction and training for anyone working with hazardous substances. The Control of Noise at Work Regulations 2005 (regulation 10) requires the same for employees exposed to noise. None of this is optional once the risk applies.
How training actually reduces accidents
Most workplace accidents come down to someone not recognising a hazard until it was too late to do anything about it. Training changes that by giving people a mental checklist: what to look for, what the safe method is, and when to stop and ask. Employees who understand why a procedure exists are also far more likely to follow it than those who were simply told to.
The other effect is cultural. A workforce that has been properly trained tends to spot and report hazards rather than working around them, which means problems get fixed before they cause an injury rather than after.
Training for common workplace hazards
The right training depends on the hazard. A few examples:
- Machinery: safe use, and safe isolation (commonly called lock-off) before maintenance or clearing a blockage, in line with PUWER regulation 19 and HSE guidance HSG253.
- Hazardous substances: safe handling, storage and what to do if there is a spill or exposure, as required under COSHH.
- Noise: correct use of hearing protection and awareness of exposure limits under the Control of Noise at Work Regulations 2005.
- Office and desk-based work: correct posture and equipment use, usually covered by a display screen equipment (DSE) workstation assessment rather than generic advice.
In every case the training needs to match the actual task, not a generic module that happens to mention the hazard.
What makes training effective
Effective training has a handful of consistent features: clear, measurable objectives; content that reflects the real tasks and equipment on site rather than a stock example; some form of practical demonstration or exercise; and refreshers at a sensible interval rather than a single session that is never repeated. Recording who has completed what, and when it is due for renewal, matters as much as the content itself. It is the record that lets you show a regulator, an insurer or a court that training happened and was kept current.
Why eLearning suits most UK employers
Online training has become the practical default for a lot of routine health and safety training, particularly for shift workers, multi-site teams and anyone who cannot easily be pulled into a classroom on a fixed date. It can be completed when it suits the employee, it produces an automatic completion record for each person, and it is easy to reassign when a refresher falls due. It will not replace hands-on instruction for physical tasks like using specific machinery, but for the training regulations actually require, such as induction, COSHH awareness or manual handling theory, it does the job well.
York Green's eLearning platform covers the courses most UK employers need most often. You can see the full list, and build a training plan around your own risk profile, through York Green's eLearning courses.
For the regulator's own view on what training is expected and when, see HSE's guidance on health and safety training.
For related reading, see the role of leadership in safety culture.