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What is working at height? Definition, requirements and common mistakes

Many people think that "working at height" only applies to work high up on masts or scaffolding. But in reality, it applies to far more situations – and most work-related fall accidents occur from below three metres
Trainor
Trainor
Norway's leading course platform

Published: May 7, 2025

Two construction workers in high-visibility clothing and helmets are installing or inspecting a railing on a roof, while one holds a checklist in the background.

So what exactly is working at height?

Working at height is defined as any work carried out more than one metre above the ground, or where there is a risk of falling, even if the height is not great. This can include:

  • Work from a ladder, scaffolding, lift or roof
  • Work on platforms, bridges, or walkways
  • Work near shafts, holes or openings in floors
  • Work in rough or sloping terrain

Read also: Legislation for working at height: What you need to know

 

Common mistakes when working at height

Even experienced professionals make mistakes. Here are some of the most typical:

  1. Lack of training in equipment Many people do not know how to correctly assemble or use scaffolding, fall protection equipment or ladders.

  2. Incorrect use of ladders or lifts - A ladder that is positioned too steep or too shallow has a high risk of slipping. - It is important to be able to choose the right type of lift and fall protection for the work being carried out.

  3. Misjudgement of surface and surroundings - Uneven, slippery or soft surfaces cause instability.-  Weather conditions and wind are often overlooked.

  4. Underestimation of roof pitch and material - Many forget that the slope and material of a roof require different types of safety equipment and adaptation.

  5. Time pressure and stress - Time pressure leads to stressful work situations, and the result is often that shortcuts are taken.

Read also: Fall protection in the workplace: Do you know what to do if a colleague falls?

 

How to avoid mistakes – good routines provide safety

To reduce the risk, you should always:

  • Carry out a risk assessment before work begins
  • Choose the right equipment for the task and the area
  • Ensure training and practice in the use of equipment and safety procedures
  • Have an emergency plan that everyone is familiar with
  • Ensure good communication between those working at height and ground personnel


Learn more – and work more safely

Want to make sure that you and your team work safely at height – every time? With Trainor's new online course Working at Height, you will get the knowledge and tools you need.


Click here to view the Working at Height course ➜

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Working at Heights