Occupational noise assessment

An occupational noise assessment should identify who is exposed, the tools and processes involved, exposure duration and peak or daily levels. Hearing damage, tinnitus and interference with warnings or communication must be considered. The Control of Noise at Work Regulations 2005 set lower and upper exposure action values and an exposure limit value, requiring elimination or reduction at source so far as reasonably practicable. Use competent measurement or reliable task data where basic estimates cannot establish exposure. Prioritise quieter purchasing, enclosure, isolation and reduced time before hearing protection. Mark genuine hearing-protection zones, select protectors that provide adequate without excessive attenuation, and arrange hearing surveillance where the risk assessment shows employees are at risk, using results to review controls.

In short

A risk assessment identifies what could cause harm in your work, who could be harmed and how, and what you do to control the risk. Every employer must make a suitable and sufficient assessment; with five or more employees the significant findings must be recorded.

What it must include

  • ✓The hazards in the activity or workplace
  • ✓Who might be harmed and how
  • ✓Existing controls and further action needed
  • ✓Risk rating (e.g. 5x5 likelihood x severity)
  • ✓Who does what by when
  • ✓Review date and when to review sooner
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1

The assessment

Activities involvedOptional

Tick any work being done, such as electrical work or painting, to add its hazards. For building work, a RAMS also gives you the method statement.

2

Your details

3

The activity

4

Emergency arrangements

Leave blank and the document reminds you to confirm them on site.

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Questions

When is noise measurement needed?

When available information cannot reliably decide whether action values are exceeded or which controls and protection are suitable.

Can ear defenders be the main control?

They are a last line of defence; reduce noise through design, equipment and organisation first so far as reasonably practicable.

Who needs hearing surveillance?

Employees regularly exposed above the upper action value, or otherwise at particular risk, need suitable health surveillance.

Guides

Sources

Page updated 2026-10-04.

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