Quick answer: For the overwhelming majority of UK workplace training, there is no legal expiry date. The Management of Health and Safety at Work Regulations 1999 require training to be adequate and to be repeated periodically “where appropriate”, but they do not set an interval. The familiar three year cycle is industry convention, not legislation. The genuine legal test is whether a worker remains competent for the task in front of them today.
Introduction
Ask ten UK compliance managers about refresher training requirements for manual handling and most will answer three years without hesitating. Ask where that figure comes from and the room goes quiet. It is one of the most confidently repeated numbers in workplace compliance, and it appears nowhere in the legislation it is assumed to come from.
Most organisations treat refresher training intervals as fixed and manage them by running a calendar. A certificate is issued, an expiry date is calculated, a reminder fires three years later. The system looks disciplined and it does catch a real category of risk. However, it rests on a premise the law never established. The regulations governing training in Great Britain are built around operational events rather than anniversaries, and they say so in specific terms. Consequently, an organisation can run a compliant-looking renewal schedule while remaining exposed on exactly the changes the law names as triggers.
What UK Legislation Actually Specifies About Retraining Intervals
The foundation of retraining requirements in Great Britain is Regulation 13 of the Management of Health and Safety at Work Regulations 1999. It requires employers to provide adequate health and safety training on recruitment, and again when workers are exposed to new or increased risks (Legislation.gov.uk 1999). It then states that such training must be repeated periodically where appropriate, adapted to take account of new or changed risks, and delivered during working hours (Legislation.gov.uk 1999).
Notice what is absent- there is no number, interval or expiry.
The same holds across the specific regulations that people most often assume set out prescriptive refresher training requirements. The Manual Handling Operations Regulations 1992 impose duties to avoid, assess and reduce risk, but they do not specify training duration or renewal. Regulation 9 of the Provision and Use of Work Equipment Regulations 1998, commonly known as PUWER, requires every employer to ensure that all persons using work equipment have received adequate training covering methods, risks and precautions. It sets no period either (Legislation.gov.uk 1998).
Consequently, the legal standard is adequacy. Adequacy is a competence test, and competence is a property of a person on a given day doing a given task. It is not a property of a certificate.