Millions of workers suffer from occupational health hazards and work in unhealthy conditions. If you are wondering about how to do COSHH assessment, then this helpful guide is the right choice for you.
The Control of Substances Hazardous to Health Act 2002 states that the use of hazardous substances in workplaces needs to be as low as possible. The exposure of workers to such substances must be limited. Health and safety management needs to minimise the level and duration of such exposure.
In our guide, you will find out everything there is to know about COSHH and its risk assessment. COSHH risk assessment is an essential part of the COSHH regulations placed on employers in every workplace in the UK.
What is COSHH in simple terms?
In simple terms, COSHH stands for Control of Substances Hazardous to Health. It’s a part of the UK legislation placed on employers to control the exposure to risk of hazardous substances.
Many industries use dangerous substances in the workplace that cause severe damage to workers’ health. COSHH protects workers from workplace hazards.
What is COSHH in health and safety?
In occupational health and safety, COSHH plays the role of a regulatory body that operates to protect the health of workers. It also ensures a safe work environment for everyone. COSHH covers many hazardous substances that are frequently used in the workplace.
These substances are categorised as toxic, flammable, oxidising, explosive, corrosive, health, and environmental hazards. Other substances like asbestos, lead, and radioactive substances are not covered by COSHH.
What are the COSHH regulations?
COSHH regulations are largely occupational health and safety guidelines that are required to be followed by employers and employees. Some of the key aspects of COSHH regulations are:
- Conducting COSHH risk assessment and potential risk assessment
- Controlling the use of hazardous substances and other potential hazards in the workplace
- Preventing workplace hazards and exposure to dangerous substances
- Informing workers about the effects of exposure to hazardous materials
- Providing workers with effective training
- Doing health surveillance on workers’ health
- Providing workers with adequate aid to support their workplace concerns
- Maintaining a healthy and safe work environment for everyone
These regulations are put together by the Health and Safety Executive (HSE) and are applied to every workplace in the UK. Ensuring workers have a secure and risk-free working environment is of utmost importance.
What is a COSHH risk assessment?
A COSHH risk assessment is a procedure in which employers conduct workplace risk assessments involving paperwork and legal obligations. The first and foremost role of COSHH is to assess workplace risks and potential hazards to make the workplace a safe environment.
It is an essential tool in health and safety management. Every workplace in the UK must include a health and safety management system. It will conduct these risk assessments under the COSHH regulations.

What should a COSHH risk assessment include?
To get a better understanding of what a COSHH risk assessment is, you need to know the crucial parts that a COSHH risk assessment should include. Let’s take a look at the essential aspects of a COSHH risk assessment:
- The hazardous substances that are used in the workplace on a regular basis
- The classification of such substances and their level of exposure
- The potential risk of combining such substances
- The level and duration of exposure, the limits on these exposures
- The required task or activity of using and producing such substances
- The control and prevention measures and health surveillance
- The effects of such hazardous substances on health and the environment
When should you review a COSHH risk assessment?
Before conducting a COSHH risk assessment, you need to know when you should do the assessment. A COSHH risk assessment review includes the following:
- Every workplace must do its COSHH risk assessment annually. It’s necessary to stay up-to-date with your workplace health and safety assessment
- Workplace health and safety legislation needs to be updated every six months.
- When you notice significant changes in your risk-involving tasks/activities
- Accidents, or near-miss accidents, need to be recorded from time to time to prevent further potential risks
- When you have health and safety concerns from your daily tasks/activities in the workplace
COSHH risk assessment plays a significant role in maintaining workplace health and safety. When it comes to ensuring a healthy and safe work environment, every employer and employee needs to adhere to the COSHH regulations.
How to Do COSHH Assessment? Simple Steps to Follow
COSHH risk assessment mainly involves 5 crucial steps. In our step-by-step structure guide, you will have a comprehensive understanding of how to do COSHH risk assessment in your workplace.
Here, we will elaborate on the COSHH risk assessment steps that are simple and concise to follow.
Step 1: Recognising the workplace hazards
The first step in doing a COSHH risk assessment is to identify the workplace hazards and potential hazards. First, you need to gather information on the substances that are used in your workplace regularly.
Other information includes how hazardous these substances are and the amount of exposure workers have to them. It includes the level of danger these substances possess and the effects of using such dangerous substances.
Step 2: Evaluating health and safety risks
Next, you need to evaluate the health and safety risks of your workers at work. Deciding who might be harmed due to exposure to these hazards is an important step here. With this, your COSHH risk assessment can provide workers with aid and solutions to their workplace health and safety concerns.
Step 3: Deciding on effective control measures
In an occupational health and safety management system, a control hierarchy is established. Their primary duty is to take effective control measures to prevent workplace hazards. It conducts research on potential risks and prevents further hazards based on the patterns it finds.
After successfully following the first two steps, you need to decide on the control measures based on your gathered information. The control measures need to be adequate and effective.
Step 4: Keeping records of the essential findings
Keeping records of these COSHH risk assessments plays a vital role in maintaining the proper health and safety of workers. It gives employers an overall understanding of the risk assessments and helps them fulfil their duties efficiently.
Step 5: Reviewing the COSHH risk assessments
Staying updated with the COSHH risk assessment is very important here. It’s the last step of doing a COSHH risk assessment in your workplace.
If you keep records annually or from time to time, it can help you understand your ever-changing workplace. It gives workers a sense of security when employers stay up-to-date with their workplace concerns.

With our easy-to-understand step guide, you can now do a COSHH assessment in your workplace without a doubt. There are many online courses available on COSHH training that can help you with COSHH risk assessment in no time.
Why Is COSHH Risk Assessment Essential?
There are many reasons why a COSHH risk assessment is essential in the workplace. Occupational health and safety are major concerns nowadays. To secure workers a healthy and safe working environment, COSHH risk assessments play a crucial role.
According to Workplace Exposure Limits (WELs), the use of hazardous substances in the workplace must have legal permits and limitations. The exposure to such substances needs to be within a reasonable limit. Both the use and the exposure need to be as low as possible.
The Health and Safety Executive (HSE) includes COSHH risk assessments to control and prevent workplace hazards. It prevents potential hazards as well.
Frequently Asked Questions
What are some examples of COSHH risk assessment?
Some examples of a COSHH risk assessment are identifying hazardous substances and taking measures to control them. Recognising dangerous chemicals, materials, fumes, wood dust, pesticides, etc., can be an example of a COSHH risk assessment.
What is the role of PPE in COSHH?
Personal protective equipment (PPE) plays an important role in COSHH assessment. PPE includes wearing a uniform, gloves, protective glasses, or any other clothing item to prevent workplace hazards. It will protect workers from dangerous substances, their exposure, and other serious injuries.
How to fill in a COSHH sheet?
To fill in a COSHH sheet, write down the substance name, what it is used for, and any hazards. Add details on how it should be handled, stored, and disposed of safely. Include protective measures, first aid steps, and emergency actions to keep everyone safe at work.
Conclusion
Being concerned about how to do COSHH assessment can be a major issue for employers. The use of hazardous substances is increasing day by day. In such scenarios, conducting COSHH risk assessment is crucial.
Identifying workplace hazards includes any material, chemical, or substance that causes severe damage to workers’ health. Workers across the world are getting acute and chronic illnesses due to exposure to such dangerous substances. It has now become a worldwide concern to find effective control measures to prevent these workplace risks.
The increased use of hazardous substances also causes greater damage to the environment. If we want to protect our environment and have workplace safety, doing an appropriate COSHH risk assessment is of paramount importance.




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