Health and Safety Executive (HSE) – Risk Assessment Guidance

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To do a risk assessment, you need to understand what, in your business, might cause harm to people and decide whether you are doing enough to prevent that harm. Once you have decided that, you need to identify and prioritise putting in place, appropriate and sensible control measures.

Start by:
• identifying what can harm people in your workplace
• identifying who might be harmed and how
• evaluating the risks and deciding on the appropriate controls, taking into account the controls you already have in place
• recording your risk assessment
• reviewing and updating your assessment

You should carry out an assessment before you do work which presents a risk of injury or ill health.
You only need to do a risk assessment if you are an employer or a self-employed person.

It is a legal requirement for every employer and self-employed person to make an assessment of the health and safety risks arising out of their work. The purpose of the assessment is to identify what needs to be done to control health and safety risks. Regulation 3 of the Management of Health and Safety at Work Regulations 1999.

You should review your risk assessment:
• if it is no longer valid
• if there has been a significant change

Your workplace will change over time. You are likely to bring in new equipment, substances and procedures. There may be advances in technology. You may have an accident or a case of ill health. You should review your assessment if any of these events happen.
Remember to amend your assessment as a result of your review.*

For more detailed information visit the HSE website at


*All information shown on this page is from the HSE website.

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