Why Do 81% of Employees Complain About Acoustics – and What Can Managers Do About It?
Ergolain
2026.03.26
Office acoustics is now one of the most important factors influencing workplace quality. It is not merely an interior design issue – it is directly linked to productivity, employee well-being, error rates, and an organization’s financial performance. Research shows that as many as 70–80% of employees working in open-plan offices identify noise as their primary source of discomfort.
When the majority of employees say they struggle to concentrate, the issue is no longer subjective. It becomes a systemic matter of environmental management.
According to Eurofound, around 30% of European employees are exposed to constant or frequent noise at work. The World Health Organization also emphasizes that prolonged noise exposure increases stress levels and may affect the cardiovascular system.
These findings demonstrate that noise is not an isolated or occasional problem – it is a widespread phenomenon with systemic effects on the work environment and overall organizational performance. Therefore, it is essential not only to acknowledge that noise exists, but to understand how it impacts employees’ daily work.
Why Does Noise Become a Real Workplace Problem?
It is often assumed that noise only becomes a problem when it is very loud. In office environments, however, the situation is different. The most significant negative impact comes not from the volume itself, but from speech intelligibility.
When employees can hear and understand conversations around them, their brains automatically begin processing the information – even if they consciously try not to listen. This leads to what is known as cognitive fatigue, which over time reduces concentration, slows information processing, and increases the likelihood of errors.
Research by Hongisto (2005) showed that intelligible speech is the most distracting factor in office environments. In other words, background noise is often less disruptive than clearly audible conversations between colleagues.
The average noise level in open-plan offices typically ranges from 60 to 65 dB. While this is not harmful to hearing, background noise at 55–60 dB can already interfere with concentration during complex tasks.
This means that in many offices, productivity declines not because of a lack of motivation, but because of the environment.
The Open-Plan Office Paradox
Open-plan offices became popular for clear reasons – they allow for more efficient use of space, reduce physical barriers between teams, and can encourage faster information exchange. When thoughtfully designed, open environments can genuinely strengthen collaboration and organizational transparency. However, research shows that without balanced acoustic solutions, certain challenges begin to emerge. For example, employee satisfaction with noise levels in open-plan offices is significantly lower than in private offices (Kim & de Dear, 2013, Journal of Environmental Psychology). Moreover, intelligible speech is one of the most distracting factors during focused work (Hongisto, 2005). This creates a paradox: a space designed to promote collaboration may unintentionally make concentration more difficult. The solution lies not in rejecting open-plan offices, but in consciously planning the acoustic environment—balancing openness with the ability to work in quiet conditions.
Plan A
Activity-Based Zoning Plan
Plan B
Open Plan Layout
The Impact of Noise on Productivity: Numbers That Cannot Be Ignored
Even moderate levels of noise in office environments can have a measurable impact on work performance. Research shows that when employees hear intelligible conversations, the accuracy of their tasks decreases and reaction times increase. Analytical, creative, and focus-intensive activities are particularly sensitive to such distractions. Background noise at levels of 55–60 dB can already interfere with concentration, and frequent interruptions extend the time it takes to return to a task. In practice, this results in more errors, longer project timelines, and increased psychological strain. Although noise is often considered a “natural part of office life,” its effects accumulate over time—eventually becoming visible in both team productivity and overall business performance.
Noise, Privacy, and the Challenges of Hybrid Work
Noise in the office affects not only productivity but also employee well-being. Constant background sound and audible conversations increase tension, make concentration more difficult, and gradually reduce emotional comfort. Acoustic privacy has therefore become a critical factor. In open-plan offices, speech propagation must be assessed to ensure that conversations are not easily understood from several meters away. In practical terms, this means a simple benchmark: if a conversation is clearly intelligible at a distance of 4–6 meters, the acoustic environment is not being properly managed.
The rise of hybrid work has further transformed the situation. With a significant increase in video calls, offices now contain multiple simultaneous sound sources. As a result, phone booths, quiet zones, and acoustic partitions are no longer optional features but essential elements. Today, balanced acoustics are a fundamental requirement for creating a healthy, confidential, and efficient workplace.
Solutions, Culture, and the Economic Case
Effective noise reduction in the office begins with practical, visible actions. Acoustic ceiling and wall panels, carpeted flooring instead of hard surfaces, mobile partitions, quiet zones, and phone booths can significantly reduce reverberation and help control sound propagation. However, these measures alone are not enough. Acoustics should be treated as a strategic investment—especially considering that post-installation modifications can cost two to three times more than proper planning from the outset.
The economic argument is straightforward: if each employee loses 15 minutes per day due to noise-related distractions, that amounts to approximately 300 hours per year. For a team of 25 people, this equals 7,500 hours annually—more than four full-time positions. This is why leadership plays a critical role: effective solutions must address both the physical environment and workplace culture.
Acoustics as an Investment in Work Quality
Office acoustics is not merely a technical or aesthetic consideration. It is a strategic decision that directly affects work quality, productivity, and employee well-being. A well-managed acoustic environment reduces distractions and supports sustained concentration. If 70–80% of employees in open-plan offices report noise-related discomfort, this is a clear signal that the work environment must be planned with the same level of seriousness as business processes themselves.
When acoustics are thoughtfully designed, employees can work without constant tension. The ability to focus not only increases speed, but also improves accuracy. Over time, this contributes to a stronger, more stable, and more competitive organization.
Sources
Bernstein, E., & Turban, S. (2018). The impact of the “open” workspace on human collaboration. Philosophical Transactions of the Royal Society B: Biological Sciences, 373(1753).
https://doi.org/10.1098/rstb.2017.0239
Eurofound. (2015). Sixth European Working Conditions Survey – Overview report. Publications Office of the European Union.
https://www.eurofound.europa.eu
Hongisto, V. (2005). A model predicting the effect of speech intelligibility on work performance. Indoor Air, 15(6), 458–468.
Hongisto, V., Haapakangas, A., Varjo, J., Helenius, R., & Koskela, H. (2016). Refurbishment of an open-plan office – Environmental and job satisfaction. Journal of Environmental Psychology, 45, 176–191.
ISO 3382-3:2012. Acoustics — Measurement of room acoustic parameters — Part 3: Open plan offices. International Organization for Standardization.
Jahncke, H., Hygge, S., Halin, N., Green, A. M., & Dimberg, K. (2011). Open-plan office noise: Cognitive performance and restoration. Applied Cognitive Psychology, 25(3), 373–381.
Kim, J., & de Dear, R. (2013). Workspace satisfaction: The privacy-communication trade-off in open-plan offices. Journal of Environmental Psychology, 36, 18–26.
World Health Organization (WHO). (2018). Environmental Noise Guidelines for the European Region.
https://www.who.int/europe/publications/i/item/9789289053563
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