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What is a Workplace Noise Assessment

A workplace noise assessment is a formal evaluation of the noise levels employees are exposed to during their working day. Its primary purpose is to determine whether noise exposure exceeds safe limits set out in the Control of Noise at Work Regulations 2005, and whether any action is required to protect workers from long-term hearing damage. If your workplace includes loud machinery, tools, vehicles, or processes, a professional noise assessment is not only essential for legal compliance — it’s a key step toward creating a safer, healthier environment for your team.

The assessment typically includes:

• Measuring noise levels (in dB(A)) across the site
• Identifying noisy processes or equipment
• Evaluating how long employees are exposed to specific noise sources
• Recommending controls to reduce harmful exposure

It is conducted by a qualified acoustic consultant or health and safety professional using calibrated sound level meters.

​Why Is a Noise Assessment Important?

Excessive noise in the workplace can lead to Noise-Induced Hearing Loss (NIHL), tinnitus, and increased stress levels. Once hearing damage occurs, it is irreversible. Employers have a legal duty to assess and manage this risk.

Conducting a noise assessment helps businesses to:

• Comply with UK health & safety legislation
• Protect employees’ hearing and wellbeing
• Avoid costly claims or enforcement notices
• Improve workplace safety and productivity

Failure to manage noise risks can result in HSE enforcement action, legal penalties, and reputational damage.

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