GUIDES12 min read
Open Plan Office Noise Costs £11,000 Per Employee Per Year — The Research Behind the Number
Research from the Leesman Index, UCL, and WHO shows that open plan office noise costs employers £11,000 per employee per year in lost productivity. The calculation: 86 minutes lost per day multiplied by average salary. Here is every study, the methodology, and what acoustic treatment actually fixes.
March 14, 2026open plan office productivityoffice noise cost