Managing construction health risks: Health surveillance

Health surveillance is a means of detecting any harmful changes to someone's health, and importantly at an early stage to help identify if further corrective action is needed. This page gives an overview of what you must do, when and how. 


Health surveillance checks that the health risk management system is correctly working. It is a statutory risk based system of ongoing health checks when exposing workers to substances or activities that may cause them harm. It allows you to identify any ill health symptoms early and highlights the controls you need to improve.

There can be confusion about what you legally have to do as a number of different health 'checks' are available. These range from chest x-rays to measuring blood pressure. You need to be clear about the difference between those that are:

When and how

Detailed information on when and how to undertake health surveillance

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Updated 2024-02-09